1479 lines
38 KiB
HTML
1479 lines
38 KiB
HTML
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<!DOCTYPE HTML>
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<html>
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<!--
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pgn4web javascript chessboard
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copyright (C) 2009-2013 Paolo Casaschi
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see README file and http://pgn4web.casaschi.net
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for credits, license and more details
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Huffman encoding/decoding derived from code at http://rumkin.com/tools/compression/compress_huff.php
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PLEASE NOTE THIS FILE IS USED ONLY TO FINE TUNE HUFFMANN ENCODING:
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actual functions for PGN encoding/decoding are contained in pgn-decoder.js and pgn-encoder.js
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-->
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<head>
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<title>pgn4web PGN encoder/decoder test</title>
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<link rel="shortcut icon" href="pawn.ico" />
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<script type="text/javascript">
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"use strict";
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// fix this to use customized letter distribution
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var USE_PRESET_LETTER_DISTRIBUTION = true;
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// fix this once you have the letter codes corresponding to the letter distribution above
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var USE_PRESET_LETTER_CODES = true;
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// fix this once you have the decoding values l[] corresponding to the letter codes above
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var USE_PRESET_DECODING_SET = true;
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var encodingCharSet = "$0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_";
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var encodingVersion = 1;
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// version 1 of PGN encoding:
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// encodedPGN = nnn$xxx0
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// nnn = number representing bytes length of the decoded message
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// $ = dollar char (delimiter for length info)
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// xxx = encoded text (using LetterCodes below)
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// 0 = zero char (version marker)
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function BitsToBytes(i) {
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var o = 0;
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if (i.charAt(0) == '1') { o += 32; }
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if (i.charAt(1) == '1') { o += 16; }
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if (i.charAt(2) == '1') { o += 8; }
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if (i.charAt(3) == '1') { o += 4; }
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if (i.charAt(4) == '1') { o += 2; }
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if (i.charAt(5) == '1') { o += 1; }
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return encodingCharSet.charAt(o);
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}
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function EncodePGN(ov) {
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var i, idx, c;
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var Letters = new Array(256);
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var LetterCodes = new Array(256);
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for (i = 0; i < 256; i ++) { Letters[i] = 0; }
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for (i = 0; i < ov.length; i ++) { Letters[ov.charCodeAt(i)]++; }
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if (USE_PRESET_LETTER_DISTRIBUTION) {
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Letters[0] = 1;
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Letters[1] = 1;
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Letters[2] = 1;
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Letters[3] = 1;
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Letters[4] = 1;
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Letters[5] = 1;
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Letters[6] = 1;
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Letters[7] = 1;
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Letters[8] = 1;
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Letters[9] = 1;
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Letters[10] = 25000;
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Letters[11] = 1;
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Letters[12] = 1;
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Letters[13] = 25000;
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Letters[14] = 1;
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Letters[15] = 1;
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Letters[16] = 1;
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Letters[17] = 1;
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Letters[18] = 1;
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Letters[19] = 1;
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Letters[20] = 1;
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Letters[21] = 1;
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Letters[22] = 1;
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Letters[23] = 1;
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Letters[24] = 1;
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Letters[25] = 1;
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Letters[26] = 1;
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Letters[27] = 1;
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Letters[28] = 1;
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Letters[29] = 1;
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Letters[30] = 1;
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Letters[31] = 1;
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Letters[32] = 273240;
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Letters[33] = 200; // !
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Letters[34] = 64928; // "
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Letters[35] = 326; // #
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Letters[36] = 163; // $
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Letters[37] = 25; // %
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Letters[38] = 25; // &
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Letters[39] = 500; // '
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Letters[40] = 1607; // (
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Letters[41] = 1592; // )
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Letters[42] = 10; // *
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Letters[43] = 9086; // +
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Letters[44] = 4231; // ,
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Letters[45] = 11848; // -
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Letters[46] = 91283; // .
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Letters[47] = 9685; // /
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Letters[48] = 27308; // 0
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Letters[49] = 57229; // 1
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Letters[50] = 57065; // 2
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Letters[51] = 49049; // 3
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Letters[52] = 46441; // 4
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Letters[53] = 42430; // 5
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Letters[54] = 38872; // 6
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Letters[55] = 27853; // 7
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Letters[56] = 21292; // 8
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Letters[57] = 14627; // 9
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Letters[58] = 270; // :
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Letters[59] = 136; // ;
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Letters[60] = 290; // <
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Letters[61] = 1015; // =
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Letters[62] = 290; // >
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Letters[63] = 7511; // ?
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Letters[64] = 100; // @
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Letters[65] = 3580; // A
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Letters[66] = 31461; // B
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Letters[67] = 4369; // C
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Letters[68] = 6993; // D
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Letters[69] = 13777; // E
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Letters[70] = 1719; // F
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Letters[71] = 1902; // G
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Letters[72] = 639; // H
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Letters[73] = 1054; // I
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Letters[74] = 420; // J
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Letters[75] = 16962; // K
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Letters[76] = 961; // L
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Letters[77] = 1378; // M
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Letters[78] = 29494; // N
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Letters[79] = 10671; // O
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Letters[80] = 7817; // P
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Letters[81] = 19645; // Q
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Letters[82] = 34436; // R
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Letters[83] = 5795; // S
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Letters[84] = 2037; // T
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Letters[85] = 1364; // U
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Letters[86] = 621; // V
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Letters[87] = 5270; // W
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Letters[88] = 249; // X
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Letters[89] = 185; // Y
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Letters[90] = 620; // Z
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Letters[91] = 31633; // [
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Letters[92] = 15; // \
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Letters[93] = 31628; // ]
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Letters[94] = 10; // ^
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Letters[95] = 15; // _
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Letters[96] = 10; // `
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Letters[97] = 35573; // a
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Letters[98] = 19456; // b
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Letters[99] = 33228; // c
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Letters[100] = 36380; // d
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Letters[101] = 64738; // e
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Letters[102] = 25736; // f
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Letters[103] = 19801; // g
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Letters[104] = 20415; // h
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Letters[105] = 16706; // i
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Letters[106] = 530; // j
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Letters[107] = 7806; // k
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Letters[108] = 18510; // l
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Letters[109] = 3044; // m
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Letters[110] = 20680; // n
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Letters[111] = 17771; // o
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Letters[112] = 9101; // p
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Letters[113] = 903; // q
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Letters[114] = 10153; // r
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Letters[115] = 9963; // s
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Letters[116] = 32763; // t
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Letters[117] = 10268; // u
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Letters[118] = 7508; // v
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Letters[119] = 2173; // w
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Letters[120] = 32913; // x
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Letters[121] = 2135; // y
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Letters[122] = 722; // z
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Letters[123] = 1000; // {
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Letters[124] = 10; // |
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Letters[125] = 1000; // }
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Letters[126] = 10; // ~
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Letters[127] = 1;
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Letters[128] = 1;
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Letters[129] = 1;
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Letters[130] = 1;
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Letters[131] = 1;
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Letters[132] = 1;
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Letters[133] = 1;
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Letters[134] = 1;
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Letters[135] = 1;
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Letters[136] = 1;
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Letters[137] = 1;
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Letters[138] = 1;
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Letters[139] = 1;
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Letters[140] = 1;
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Letters[141] = 1;
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Letters[142] = 1;
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Letters[143] = 1;
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Letters[144] = 1;
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Letters[145] = 1;
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Letters[146] = 1;
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Letters[147] = 1;
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Letters[148] = 1;
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Letters[149] = 1;
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Letters[150] = 1;
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Letters[151] = 1;
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Letters[152] = 1;
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Letters[153] = 1;
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Letters[154] = 1;
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Letters[155] = 1;
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Letters[156] = 1;
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Letters[157] = 1;
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Letters[158] = 1;
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Letters[159] = 1;
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Letters[160] = 1;
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Letters[161] = 1;
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Letters[162] = 1;
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Letters[163] = 1;
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Letters[164] = 1;
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Letters[165] = 1;
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Letters[166] = 1;
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Letters[167] = 1;
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Letters[168] = 1;
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Letters[169] = 1;
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Letters[170] = 1;
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Letters[171] = 1;
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Letters[172] = 1;
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Letters[173] = 1;
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Letters[174] = 1;
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Letters[175] = 1;
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Letters[176] = 1;
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Letters[177] = 1;
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Letters[178] = 1;
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Letters[179] = 1;
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Letters[180] = 1;
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Letters[181] = 1;
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Letters[182] = 1;
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Letters[183] = 1;
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Letters[184] = 1;
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Letters[185] = 1;
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Letters[186] = 1;
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Letters[187] = 1;
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Letters[188] = 1;
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Letters[189] = 1;
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Letters[190] = 1;
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Letters[191] = 1;
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Letters[192] = 1;
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Letters[193] = 1;
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Letters[194] = 1;
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Letters[195] = 1;
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Letters[196] = 1;
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Letters[197] = 1;
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Letters[198] = 1;
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Letters[199] = 1;
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Letters[200] = 1;
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Letters[201] = 1;
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Letters[202] = 1;
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Letters[203] = 1;
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Letters[204] = 1;
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Letters[205] = 1;
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Letters[206] = 1;
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Letters[207] = 1;
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Letters[208] = 1;
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Letters[209] = 1;
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Letters[210] = 1;
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Letters[211] = 1;
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Letters[212] = 1;
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Letters[213] = 1;
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Letters[214] = 1;
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Letters[215] = 1;
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Letters[216] = 1;
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Letters[217] = 1;
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Letters[218] = 1;
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Letters[219] = 1;
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Letters[220] = 1;
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Letters[221] = 1;
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Letters[222] = 1;
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Letters[223] = 1;
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Letters[224] = 1;
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Letters[225] = 1;
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Letters[226] = 1;
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Letters[227] = 1;
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Letters[228] = 1;
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Letters[229] = 1;
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Letters[230] = 1;
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Letters[231] = 1;
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Letters[232] = 1;
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Letters[233] = 1;
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Letters[234] = 1;
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Letters[235] = 1;
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Letters[236] = 1;
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Letters[237] = 1;
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Letters[238] = 1;
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Letters[239] = 1;
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Letters[240] = 1;
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Letters[241] = 1;
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Letters[242] = 1;
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Letters[243] = 1;
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Letters[244] = 1;
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Letters[245] = 1;
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Letters[246] = 1;
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Letters[247] = 1;
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Letters[248] = 1;
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Letters[249] = 1;
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Letters[250] = 1;
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Letters[251] = 1;
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Letters[252] = 1;
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Letters[253] = 1;
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Letters[254] = 1;
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Letters[255] = 1;
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}
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// Build a Huffman tree from the letter count frequencies
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var NodeLetter = new Array(512);
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var NodeCount = new Array(512);
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var NodeChild1 = new Array(512);
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var NodeChild2 = new Array(512);
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var NextParent = 0;
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for (i = 0; i < 256; i ++) {
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if (Letters[i] > 0) {
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NodeLetter[NextParent] = i;
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NodeCount[NextParent] = Letters[i];
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NodeChild1[NextParent] = -1;
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NodeChild2[NextParent] = -1;
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NextParent ++;
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}
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}
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// Built node list. Now combine nodes to make a tree
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var SmallestNode1;
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var SmallestNode2 = 1;
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while (SmallestNode2 != -1) {
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SmallestNode1 = -1;
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SmallestNode2 = -1;
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for (i = 0; i < NextParent; i ++) {
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if (NodeCount[i] > 0) {
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if (SmallestNode1 == -1) {
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SmallestNode1 = i;
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} else if (SmallestNode2 == -1) {
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if (NodeCount[i] < NodeCount[SmallestNode1]) {
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SmallestNode2 = SmallestNode1;
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SmallestNode1 = i;
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} else {
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SmallestNode2 = i;
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}
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} else if (NodeCount[i] <= NodeCount[SmallestNode1]) {
|
||
|
|
SmallestNode2 = SmallestNode1;
|
||
|
|
SmallestNode1 = i;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SmallestNode2 != -1) {
|
||
|
|
NodeCount[NextParent] = NodeCount[SmallestNode1] + NodeCount[SmallestNode2];
|
||
|
|
NodeCount[SmallestNode1] = 0;
|
||
|
|
NodeCount[SmallestNode2] = 0;
|
||
|
|
// Reversed SmallestNode numbers here for ordering in the tree
|
||
|
|
NodeChild1[NextParent] = SmallestNode2;
|
||
|
|
NodeChild2[NextParent] = SmallestNode1;
|
||
|
|
NextParent ++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// We have constructed the nodes. Now rewrite the list into a single array.
|
||
|
|
// The value of an array element will be positive if it is the character
|
||
|
|
// code we want. Otherwise, it branches. The left branch will be the next
|
||
|
|
// array element. The value of the array will be (offset * -1), which is
|
||
|
|
// the right branch.
|
||
|
|
var FinalNodes = Array(NextParent);
|
||
|
|
var DepthIndex = Array(256);
|
||
|
|
var Depth = 0;
|
||
|
|
var NextFinal = 0;
|
||
|
|
DepthIndex[Depth] = SmallestNode1;
|
||
|
|
while (Depth >= 0) {
|
||
|
|
if (NodeChild1[DepthIndex[Depth]] > -1 && NodeChild2[DepthIndex[Depth]] > -1) {
|
||
|
|
// If there is a left and right, push them on the stack
|
||
|
|
idx = NodeChild1[DepthIndex[Depth]];
|
||
|
|
NodeChild1[DepthIndex[Depth]] = -2 - NextFinal;
|
||
|
|
Depth ++;
|
||
|
|
DepthIndex[Depth] = idx;
|
||
|
|
NextFinal ++;
|
||
|
|
} else if (NodeChild1[DepthIndex[Depth]] < 0 && NodeChild2[DepthIndex[Depth]] > -1) {
|
||
|
|
// If there is a left and a right, but the left was taken,
|
||
|
|
// push the right on the stack.
|
||
|
|
// Update the FinalNodes[] with the location for the right branch.
|
||
|
|
idx = NodeChild1[DepthIndex[Depth]];
|
||
|
|
idx = 0 - idx;
|
||
|
|
idx -= 2;
|
||
|
|
FinalNodes[idx] = - NextFinal;
|
||
|
|
|
||
|
|
// Traverse right branch
|
||
|
|
idx = NodeChild2[DepthIndex[Depth]];
|
||
|
|
NodeChild2[DepthIndex[Depth]] = -2;
|
||
|
|
Depth ++;
|
||
|
|
DepthIndex[Depth] = idx;
|
||
|
|
} else if (NodeChild1[DepthIndex[Depth]] < -1 && NodeChild2[DepthIndex[Depth]] < -1) {
|
||
|
|
// If there was a left and a right, but they were both taken, pop up a level
|
||
|
|
Depth --;
|
||
|
|
} else if (NodeChild1[DepthIndex[Depth]] == -1 && NodeChild2[DepthIndex[Depth]] == -1) {
|
||
|
|
// If we have a child here, add it to the final nodes, pop up
|
||
|
|
FinalNodes[NextFinal] = NodeLetter[DepthIndex[Depth]];
|
||
|
|
NextFinal ++;
|
||
|
|
Depth --;
|
||
|
|
} else {
|
||
|
|
// This shouldn't ever happen
|
||
|
|
alert('Bad algorithm!');
|
||
|
|
return new Array ("", "", "");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// We have the tree. Associate codes with the letters.
|
||
|
|
var CodeIndex = new Array(256);
|
||
|
|
DepthIndex[0] = 0;
|
||
|
|
CodeIndex[0] = "";
|
||
|
|
Depth = 0;
|
||
|
|
while (Depth >= 0) {
|
||
|
|
if (FinalNodes[DepthIndex[Depth]] < 0) {
|
||
|
|
c = CodeIndex[Depth];
|
||
|
|
idx = DepthIndex[Depth];
|
||
|
|
DepthIndex[Depth + 1] = DepthIndex[Depth] + 1;
|
||
|
|
CodeIndex[Depth + 1] = c + '0';
|
||
|
|
DepthIndex[Depth] = 0 - FinalNodes[idx];
|
||
|
|
CodeIndex[Depth] = c + '1';
|
||
|
|
Depth ++;
|
||
|
|
} else {
|
||
|
|
LetterCodes[FinalNodes[DepthIndex[Depth]]] = CodeIndex[Depth];
|
||
|
|
Depth --;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if (USE_PRESET_LETTER_CODES) {
|
||
|
|
LetterCodes[0] = '00111111111111110';
|
||
|
|
LetterCodes[1] = '0101101';
|
||
|
|
LetterCodes[2] = '00111111111111111';
|
||
|
|
LetterCodes[3] = '00111111111111100';
|
||
|
|
LetterCodes[4] = '00111111111111101';
|
||
|
|
LetterCodes[5] = '000011111111111010';
|
||
|
|
LetterCodes[6] = '000011111111111011';
|
||
|
|
LetterCodes[7] = '000011111111111000';
|
||
|
|
LetterCodes[8] = '000011111111111001';
|
||
|
|
LetterCodes[9] = '000011111111111110';
|
||
|
|
LetterCodes[10] = '0101100';
|
||
|
|
LetterCodes[11] = '000011111111111111';
|
||
|
|
LetterCodes[12] = '000011111111111100';
|
||
|
|
LetterCodes[13] = '0011100';
|
||
|
|
LetterCodes[14] = '000011111111111101';
|
||
|
|
LetterCodes[15] = '000011111111110010';
|
||
|
|
LetterCodes[16] = '000011111111110011';
|
||
|
|
LetterCodes[17] = '000011111111110000';
|
||
|
|
LetterCodes[18] = '000011111111110001';
|
||
|
|
LetterCodes[19] = '000011111111110110';
|
||
|
|
LetterCodes[20] = '000011111111110111';
|
||
|
|
LetterCodes[21] = '000011111111110100';
|
||
|
|
LetterCodes[22] = '000011111111110101';
|
||
|
|
LetterCodes[23] = '1111111111110101010';
|
||
|
|
LetterCodes[24] = '1111111111110101011';
|
||
|
|
LetterCodes[25] = '1111111111110101000';
|
||
|
|
LetterCodes[26] = '1111111111110101001';
|
||
|
|
LetterCodes[27] = '1111111111110101110';
|
||
|
|
LetterCodes[28] = '1111111111110101111';
|
||
|
|
LetterCodes[29] = '1111111111110101100';
|
||
|
|
LetterCodes[30] = '1111111111110101101';
|
||
|
|
LetterCodes[31] = '1111111111110100010';
|
||
|
|
LetterCodes[32] = '1000';
|
||
|
|
LetterCodes[33] = '101111111110';
|
||
|
|
LetterCodes[34] = '00010';
|
||
|
|
LetterCodes[35] = '11111111110';
|
||
|
|
LetterCodes[36] = '0011111111110';
|
||
|
|
LetterCodes[37] = '1011111111110';
|
||
|
|
LetterCodes[38] = '00001111111110';
|
||
|
|
LetterCodes[39] = '00111111110';
|
||
|
|
LetterCodes[40] = '0011101';
|
||
|
|
LetterCodes[41] = '111111110';
|
||
|
|
LetterCodes[42] = '11001111111110';
|
||
|
|
LetterCodes[43] = '1111110';
|
||
|
|
LetterCodes[44] = '000011110';
|
||
|
|
LetterCodes[45] = '0011110';
|
||
|
|
LetterCodes[46] = '00000';
|
||
|
|
LetterCodes[47] = '0110110';
|
||
|
|
LetterCodes[48] = '010100';
|
||
|
|
LetterCodes[49] = '00110';
|
||
|
|
LetterCodes[50] = '01000';
|
||
|
|
LetterCodes[51] = '01100';
|
||
|
|
LetterCodes[52] = '11000';
|
||
|
|
LetterCodes[53] = '11010';
|
||
|
|
LetterCodes[54] = '11100';
|
||
|
|
LetterCodes[55] = '001010';
|
||
|
|
LetterCodes[56] = '011100';
|
||
|
|
LetterCodes[57] = '0001110';
|
||
|
|
LetterCodes[58] = '001111111110';
|
||
|
|
LetterCodes[59] = '1111111111100';
|
||
|
|
LetterCodes[60] = '10111111110';
|
||
|
|
LetterCodes[61] = '1100110100';
|
||
|
|
LetterCodes[62] = '000011111110';
|
||
|
|
LetterCodes[63] = '00011110';
|
||
|
|
LetterCodes[64] = '1100111111110';
|
||
|
|
LetterCodes[65] = '110011100';
|
||
|
|
LetterCodes[66] = '000010';
|
||
|
|
LetterCodes[67] = '10111110';
|
||
|
|
LetterCodes[68] = '00111110';
|
||
|
|
LetterCodes[69] = '0010110';
|
||
|
|
LetterCodes[70] = '110011101';
|
||
|
|
LetterCodes[71] = '110011110';
|
||
|
|
LetterCodes[72] = '1100110101';
|
||
|
|
LetterCodes[73] = '0010111110';
|
||
|
|
LetterCodes[74] = '11001111110';
|
||
|
|
LetterCodes[75] = '101110';
|
||
|
|
LetterCodes[76] = '1100111110';
|
||
|
|
LetterCodes[77] = '101111110';
|
||
|
|
LetterCodes[78] = '000110';
|
||
|
|
LetterCodes[79] = '0101110';
|
||
|
|
LetterCodes[80] = '1011110';
|
||
|
|
LetterCodes[81] = '011101';
|
||
|
|
LetterCodes[82] = '11101';
|
||
|
|
LetterCodes[83] = '11001100';
|
||
|
|
LetterCodes[84] = '001111110';
|
||
|
|
LetterCodes[85] = '0000111110';
|
||
|
|
LetterCodes[86] = '1111111110';
|
||
|
|
LetterCodes[87] = '11111110';
|
||
|
|
LetterCodes[88] = '110011111110';
|
||
|
|
LetterCodes[89] = '0000111111110';
|
||
|
|
LetterCodes[90] = '1011111110';
|
||
|
|
LetterCodes[91] = '10010';
|
||
|
|
LetterCodes[92] = '00111111111110';
|
||
|
|
LetterCodes[93] = '10011';
|
||
|
|
LetterCodes[94] = '11001111111111';
|
||
|
|
LetterCodes[95] = '11111111111010';
|
||
|
|
LetterCodes[96] = '10111111111110';
|
||
|
|
LetterCodes[97] = '11110';
|
||
|
|
LetterCodes[98] = '011010';
|
||
|
|
LetterCodes[99] = '10100';
|
||
|
|
LetterCodes[100] = '11011';
|
||
|
|
LetterCodes[101] = '00100';
|
||
|
|
LetterCodes[102] = '010010';
|
||
|
|
LetterCodes[103] = '010011';
|
||
|
|
LetterCodes[104] = '011110';
|
||
|
|
LetterCodes[105] = '0000110';
|
||
|
|
LetterCodes[106] = '00001111110';
|
||
|
|
LetterCodes[107] = '00001110';
|
||
|
|
LetterCodes[108] = '110010';
|
||
|
|
LetterCodes[109] = '000111110';
|
||
|
|
LetterCodes[110] = '010101';
|
||
|
|
LetterCodes[111] = '111110';
|
||
|
|
LetterCodes[112] = '0110111';
|
||
|
|
LetterCodes[113] = '1100110110';
|
||
|
|
LetterCodes[114] = '0111110';
|
||
|
|
LetterCodes[115] = '0111111';
|
||
|
|
LetterCodes[116] = '10110';
|
||
|
|
LetterCodes[117] = '0101111';
|
||
|
|
LetterCodes[118] = '00101110';
|
||
|
|
LetterCodes[119] = '000111111';
|
||
|
|
LetterCodes[120] = '10101';
|
||
|
|
LetterCodes[121] = '001011110';
|
||
|
|
LetterCodes[122] = '1100110111';
|
||
|
|
LetterCodes[123] = '0010111111';
|
||
|
|
LetterCodes[124] = '001111111111110';
|
||
|
|
LetterCodes[125] = '0011111110';
|
||
|
|
LetterCodes[126] = '111111111110110';
|
||
|
|
LetterCodes[127] = '1111111111110100011';
|
||
|
|
LetterCodes[128] = '1111111111110100000';
|
||
|
|
LetterCodes[129] = '1111111111110100001';
|
||
|
|
LetterCodes[130] = '1111111111110100110';
|
||
|
|
LetterCodes[131] = '1111111111110100111';
|
||
|
|
LetterCodes[132] = '1111111111110100100';
|
||
|
|
LetterCodes[133] = '1111111111110100101';
|
||
|
|
LetterCodes[134] = '1111111111110111010';
|
||
|
|
LetterCodes[135] = '1111111111110111011';
|
||
|
|
LetterCodes[136] = '1111111111110111000';
|
||
|
|
LetterCodes[137] = '1111111111110111001';
|
||
|
|
LetterCodes[138] = '1111111111110111110';
|
||
|
|
LetterCodes[139] = '1111111111110111111';
|
||
|
|
LetterCodes[140] = '1111111111110111100';
|
||
|
|
LetterCodes[141] = '1111111111110111101';
|
||
|
|
LetterCodes[142] = '1111111111110110010';
|
||
|
|
LetterCodes[143] = '1111111111110110011';
|
||
|
|
LetterCodes[144] = '1111111111110110000';
|
||
|
|
LetterCodes[145] = '1111111111110110001';
|
||
|
|
LetterCodes[146] = '1111111111110110110';
|
||
|
|
LetterCodes[147] = '1111111111110110111';
|
||
|
|
LetterCodes[148] = '1111111111110110100';
|
||
|
|
LetterCodes[149] = '1111111111110110101';
|
||
|
|
LetterCodes[150] = '1111111111110001010';
|
||
|
|
LetterCodes[151] = '1111111111110001011';
|
||
|
|
LetterCodes[152] = '1111111111110001000';
|
||
|
|
LetterCodes[153] = '1111111111110001001';
|
||
|
|
LetterCodes[154] = '1111111111110001110';
|
||
|
|
LetterCodes[155] = '1111111111110001111';
|
||
|
|
LetterCodes[156] = '1111111111110001100';
|
||
|
|
LetterCodes[157] = '1111111111110001101';
|
||
|
|
LetterCodes[158] = '1111111111110000010';
|
||
|
|
LetterCodes[159] = '1111111111110000011';
|
||
|
|
LetterCodes[160] = '1111111111110000000';
|
||
|
|
LetterCodes[161] = '1111111111110000001';
|
||
|
|
LetterCodes[162] = '1111111111110000110';
|
||
|
|
LetterCodes[163] = '1111111111110000111';
|
||
|
|
LetterCodes[164] = '1111111111110000100';
|
||
|
|
LetterCodes[165] = '1111111111110000101';
|
||
|
|
LetterCodes[166] = '1111111111110011010';
|
||
|
|
LetterCodes[167] = '1111111111110011011';
|
||
|
|
LetterCodes[168] = '1111111111110011000';
|
||
|
|
LetterCodes[169] = '1111111111110011001';
|
||
|
|
LetterCodes[170] = '1111111111110011110';
|
||
|
|
LetterCodes[171] = '1111111111110011111';
|
||
|
|
LetterCodes[172] = '1111111111110011100';
|
||
|
|
LetterCodes[173] = '1111111111110011101';
|
||
|
|
LetterCodes[174] = '1111111111110010010';
|
||
|
|
LetterCodes[175] = '1111111111110010011';
|
||
|
|
LetterCodes[176] = '1111111111110010000';
|
||
|
|
LetterCodes[177] = '1111111111110010001';
|
||
|
|
LetterCodes[178] = '1111111111110010110';
|
||
|
|
LetterCodes[179] = '1111111111110010111';
|
||
|
|
LetterCodes[180] = '1111111111110010100';
|
||
|
|
LetterCodes[181] = '1111111111110010101';
|
||
|
|
LetterCodes[182] = '1111111111111101010';
|
||
|
|
LetterCodes[183] = '1111111111111101011';
|
||
|
|
LetterCodes[184] = '1111111111111101000';
|
||
|
|
LetterCodes[185] = '1111111111111101001';
|
||
|
|
LetterCodes[186] = '1111111111111101110';
|
||
|
|
LetterCodes[187] = '1111111111111101111';
|
||
|
|
LetterCodes[188] = '1111111111111101100';
|
||
|
|
LetterCodes[189] = '1111111111111101101';
|
||
|
|
LetterCodes[190] = '1111111111111100010';
|
||
|
|
LetterCodes[191] = '1111111111111100011';
|
||
|
|
LetterCodes[192] = '1111111111111100000';
|
||
|
|
LetterCodes[193] = '1111111111111100001';
|
||
|
|
LetterCodes[194] = '1111111111111100110';
|
||
|
|
LetterCodes[195] = '1111111111111100111';
|
||
|
|
LetterCodes[196] = '1111111111111100100';
|
||
|
|
LetterCodes[197] = '1111111111111100101';
|
||
|
|
LetterCodes[198] = '1111111111111111010';
|
||
|
|
LetterCodes[199] = '1111111111111111011';
|
||
|
|
LetterCodes[200] = '1111111111111111000';
|
||
|
|
LetterCodes[201] = '1111111111111111001';
|
||
|
|
LetterCodes[202] = '1111111111111111110';
|
||
|
|
LetterCodes[203] = '1111111111111111111';
|
||
|
|
LetterCodes[204] = '1111111111111111100';
|
||
|
|
LetterCodes[205] = '1111111111111111101';
|
||
|
|
LetterCodes[206] = '1111111111111110010';
|
||
|
|
LetterCodes[207] = '1111111111111110011';
|
||
|
|
LetterCodes[208] = '1111111111111110000';
|
||
|
|
LetterCodes[209] = '1111111111111110001';
|
||
|
|
LetterCodes[210] = '1111111111111110110';
|
||
|
|
LetterCodes[211] = '1111111111111110111';
|
||
|
|
LetterCodes[212] = '1111111111111110100';
|
||
|
|
LetterCodes[213] = '1111111111111110101';
|
||
|
|
LetterCodes[214] = '1111111111111001010';
|
||
|
|
LetterCodes[215] = '1111111111111001011';
|
||
|
|
LetterCodes[216] = '1111111111111001000';
|
||
|
|
LetterCodes[217] = '1111111111111001001';
|
||
|
|
LetterCodes[218] = '1111111111111001110';
|
||
|
|
LetterCodes[219] = '1111111111111001111';
|
||
|
|
LetterCodes[220] = '1111111111111001100';
|
||
|
|
LetterCodes[221] = '1111111111111001101';
|
||
|
|
LetterCodes[222] = '1111111111111000010';
|
||
|
|
LetterCodes[223] = '1111111111111000011';
|
||
|
|
LetterCodes[224] = '1111111111111000000';
|
||
|
|
LetterCodes[225] = '1111111111111000001';
|
||
|
|
LetterCodes[226] = '1111111111111000110';
|
||
|
|
LetterCodes[227] = '1111111111111000111';
|
||
|
|
LetterCodes[228] = '1111111111111000100';
|
||
|
|
LetterCodes[229] = '1111111111111000101';
|
||
|
|
LetterCodes[230] = '1111111111111011010';
|
||
|
|
LetterCodes[231] = '1111111111111011011';
|
||
|
|
LetterCodes[232] = '1111111111111011000';
|
||
|
|
LetterCodes[233] = '1111111111111011001';
|
||
|
|
LetterCodes[234] = '1111111111111011110';
|
||
|
|
LetterCodes[235] = '1111111111111011111';
|
||
|
|
LetterCodes[236] = '1111111111111011100';
|
||
|
|
LetterCodes[237] = '1111111111111011101';
|
||
|
|
LetterCodes[238] = '1111111111111010010';
|
||
|
|
LetterCodes[239] = '1111111111111010011';
|
||
|
|
LetterCodes[240] = '1111111111111010000';
|
||
|
|
LetterCodes[241] = '1111111111111010001';
|
||
|
|
LetterCodes[242] = '1111111111111010110';
|
||
|
|
LetterCodes[243] = '1111111111111010111';
|
||
|
|
LetterCodes[244] = '1111111111111010100';
|
||
|
|
LetterCodes[245] = '1111111111111010101';
|
||
|
|
LetterCodes[246] = '10111111111111010';
|
||
|
|
LetterCodes[247] = '10111111111111011';
|
||
|
|
LetterCodes[248] = '10111111111111000';
|
||
|
|
LetterCodes[249] = '10111111111111001';
|
||
|
|
LetterCodes[250] = '10111111111111110';
|
||
|
|
LetterCodes[251] = '10111111111111111';
|
||
|
|
LetterCodes[252] = '10111111111111100';
|
||
|
|
LetterCodes[253] = '10111111111111101';
|
||
|
|
LetterCodes[254] = '1111111111101110';
|
||
|
|
LetterCodes[255] = '1111111111101111';
|
||
|
|
}
|
||
|
|
|
||
|
|
// Build resulting data stream
|
||
|
|
// The bits string could get very large
|
||
|
|
var bits = "";
|
||
|
|
var bytes = ov.length + "$";
|
||
|
|
for (i = 0; i < ov.length; i ++) {
|
||
|
|
// converts ASCII chars above 255 to a star (code 42) avoiding decoding failure
|
||
|
|
if (ov.charCodeAt(i) > 255) { bits += LetterCodes[42]; }
|
||
|
|
else { bits += LetterCodes[ov.charCodeAt(i)]; }
|
||
|
|
while (bits.length > 5) {
|
||
|
|
bytes += BitsToBytes(bits);
|
||
|
|
bits = bits.slice(6, bits.length);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
bytes += BitsToBytes(bits);
|
||
|
|
|
||
|
|
var encodedNodes = "";
|
||
|
|
for (i = 0; i < FinalNodes.length; i ++) {
|
||
|
|
var x, y;
|
||
|
|
x = FinalNodes[i] + 512;
|
||
|
|
y = x & 0x3F;
|
||
|
|
x >>= 6;
|
||
|
|
x &= 0x3F;
|
||
|
|
encodedNodes += encodingCharSet.charAt(x) + encodingCharSet.charAt(y);
|
||
|
|
}
|
||
|
|
|
||
|
|
bytes += encodingCharSet.charAt(encodingVersion);
|
||
|
|
|
||
|
|
return new Array (bytes, encodedNodes, LetterCodes);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function DecodePGN(bytes, encodedNodes) {
|
||
|
|
|
||
|
|
if (bytes.charAt(bytes.length - 1) != encodingCharSet.charAt(encodingVersion)) {
|
||
|
|
alert("ERROR: PGN encoding version mismatch (e:" +
|
||
|
|
bytes.charAt(bytes.length - 1) + " d:" + encodingCharSet.charAt(encodingVersion) + ")");
|
||
|
|
}
|
||
|
|
|
||
|
|
var originalLength = parseInt(bytes.match(/^[0-9]*/), 10);
|
||
|
|
bytes = bytes.replace(/^[0-9]*\$/,"");
|
||
|
|
|
||
|
|
var l = new Array();
|
||
|
|
while(encodedNodes.length) {
|
||
|
|
l.push((encodingCharSet.indexOf(encodedNodes.charAt(0))<<6)+encodingCharSet.indexOf(encodedNodes.charAt(1))-512);
|
||
|
|
encodedNodes = encodedNodes.slice(2,encodedNodes.length);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (USE_PRESET_DECODING_SET) {
|
||
|
|
l[0] = -146;
|
||
|
|
l[1] = -111;
|
||
|
|
l[2] = -66;
|
||
|
|
l[3] = -55;
|
||
|
|
l[4] = -6;
|
||
|
|
l[5] = 46;
|
||
|
|
l[6] = -8;
|
||
|
|
l[7] = 66;
|
||
|
|
l[8] = -10;
|
||
|
|
l[9] = 105;
|
||
|
|
l[10] = -12;
|
||
|
|
l[11] = 107;
|
||
|
|
l[12] = -14;
|
||
|
|
l[13] = 44;
|
||
|
|
l[14] = -16;
|
||
|
|
l[15] = 85;
|
||
|
|
l[16] = -18;
|
||
|
|
l[17] = 106;
|
||
|
|
l[18] = -20;
|
||
|
|
l[19] = 62;
|
||
|
|
l[20] = -22;
|
||
|
|
l[21] = 89;
|
||
|
|
l[22] = -24;
|
||
|
|
l[23] = 38;
|
||
|
|
l[24] = -40;
|
||
|
|
l[25] = -33;
|
||
|
|
l[26] = -30;
|
||
|
|
l[27] = -29;
|
||
|
|
l[28] = 17;
|
||
|
|
l[29] = 18;
|
||
|
|
l[30] = -32;
|
||
|
|
l[31] = 15;
|
||
|
|
l[32] = 16;
|
||
|
|
l[33] = -37;
|
||
|
|
l[34] = -36;
|
||
|
|
l[35] = 21;
|
||
|
|
l[36] = 22;
|
||
|
|
l[37] = -39;
|
||
|
|
l[38] = 19;
|
||
|
|
l[39] = 20;
|
||
|
|
l[40] = -48;
|
||
|
|
l[41] = -45;
|
||
|
|
l[42] = -44;
|
||
|
|
l[43] = 7;
|
||
|
|
l[44] = 8;
|
||
|
|
l[45] = -47;
|
||
|
|
l[46] = 5;
|
||
|
|
l[47] = 6;
|
||
|
|
l[48] = -52;
|
||
|
|
l[49] = -51;
|
||
|
|
l[50] = 12;
|
||
|
|
l[51] = 14;
|
||
|
|
l[52] = -54;
|
||
|
|
l[53] = 9;
|
||
|
|
l[54] = 11;
|
||
|
|
l[55] = -57;
|
||
|
|
l[56] = 34;
|
||
|
|
l[57] = -59;
|
||
|
|
l[58] = 78;
|
||
|
|
l[59] = -61;
|
||
|
|
l[60] = 57;
|
||
|
|
l[61] = -63;
|
||
|
|
l[62] = 63;
|
||
|
|
l[63] = -65;
|
||
|
|
l[64] = 109;
|
||
|
|
l[65] = 119;
|
||
|
|
l[66] = -80;
|
||
|
|
l[67] = -69;
|
||
|
|
l[68] = 101;
|
||
|
|
l[69] = -71;
|
||
|
|
l[70] = 55;
|
||
|
|
l[71] = -73;
|
||
|
|
l[72] = 69;
|
||
|
|
l[73] = -75;
|
||
|
|
l[74] = 118;
|
||
|
|
l[75] = -77;
|
||
|
|
l[76] = 121;
|
||
|
|
l[77] = -79;
|
||
|
|
l[78] = 73;
|
||
|
|
l[79] = 123;
|
||
|
|
l[80] = -82;
|
||
|
|
l[81] = 49;
|
||
|
|
l[82] = -86;
|
||
|
|
l[83] = -85;
|
||
|
|
l[84] = 13;
|
||
|
|
l[85] = 40;
|
||
|
|
l[86] = -88;
|
||
|
|
l[87] = 45;
|
||
|
|
l[88] = -90;
|
||
|
|
l[89] = 68;
|
||
|
|
l[90] = -92;
|
||
|
|
l[91] = 84;
|
||
|
|
l[92] = -94;
|
||
|
|
l[93] = 125;
|
||
|
|
l[94] = -96;
|
||
|
|
l[95] = 39;
|
||
|
|
l[96] = -98;
|
||
|
|
l[97] = 58;
|
||
|
|
l[98] = -100;
|
||
|
|
l[99] = 36;
|
||
|
|
l[100] = -102;
|
||
|
|
l[101] = 92;
|
||
|
|
l[102] = -104;
|
||
|
|
l[103] = 124;
|
||
|
|
l[104] = -108;
|
||
|
|
l[105] = -107;
|
||
|
|
l[106] = 3;
|
||
|
|
l[107] = 4;
|
||
|
|
l[108] = -110;
|
||
|
|
l[109] = 0;
|
||
|
|
l[110] = 2;
|
||
|
|
l[111] = -129;
|
||
|
|
l[112] = -118;
|
||
|
|
l[113] = -115;
|
||
|
|
l[114] = 50;
|
||
|
|
l[115] = -117;
|
||
|
|
l[116] = 102;
|
||
|
|
l[117] = 103;
|
||
|
|
l[118] = -122;
|
||
|
|
l[119] = -121;
|
||
|
|
l[120] = 48;
|
||
|
|
l[121] = 110;
|
||
|
|
l[122] = -126;
|
||
|
|
l[123] = -125;
|
||
|
|
l[124] = 10;
|
||
|
|
l[125] = 1;
|
||
|
|
l[126] = -128;
|
||
|
|
l[127] = 79;
|
||
|
|
l[128] = 117;
|
||
|
|
l[129] = -137;
|
||
|
|
l[130] = -132;
|
||
|
|
l[131] = 51;
|
||
|
|
l[132] = -134;
|
||
|
|
l[133] = 98;
|
||
|
|
l[134] = -136;
|
||
|
|
l[135] = 47;
|
||
|
|
l[136] = 112;
|
||
|
|
l[137] = -141;
|
||
|
|
l[138] = -140;
|
||
|
|
l[139] = 56;
|
||
|
|
l[140] = 81;
|
||
|
|
l[141] = -143;
|
||
|
|
l[142] = 104;
|
||
|
|
l[143] = -145;
|
||
|
|
l[144] = 114;
|
||
|
|
l[145] = 115;
|
||
|
|
l[146] = -192;
|
||
|
|
l[147] = -153;
|
||
|
|
l[148] = -150;
|
||
|
|
l[149] = 32;
|
||
|
|
l[150] = -152;
|
||
|
|
l[151] = 91;
|
||
|
|
l[152] = 93;
|
||
|
|
l[153] = -157;
|
||
|
|
l[154] = -156;
|
||
|
|
l[155] = 99;
|
||
|
|
l[156] = 120;
|
||
|
|
l[157] = -159;
|
||
|
|
l[158] = 116;
|
||
|
|
l[159] = -161;
|
||
|
|
l[160] = 75;
|
||
|
|
l[161] = -163;
|
||
|
|
l[162] = 80;
|
||
|
|
l[163] = -165;
|
||
|
|
l[164] = 67;
|
||
|
|
l[165] = -167;
|
||
|
|
l[166] = 77;
|
||
|
|
l[167] = -169;
|
||
|
|
l[168] = 90;
|
||
|
|
l[169] = -171;
|
||
|
|
l[170] = 60;
|
||
|
|
l[171] = -173;
|
||
|
|
l[172] = 33;
|
||
|
|
l[173] = -175;
|
||
|
|
l[174] = 37;
|
||
|
|
l[175] = -177;
|
||
|
|
l[176] = 96;
|
||
|
|
l[177] = -185;
|
||
|
|
l[178] = -182;
|
||
|
|
l[179] = -181;
|
||
|
|
l[180] = 248;
|
||
|
|
l[181] = 249;
|
||
|
|
l[182] = -184;
|
||
|
|
l[183] = 246;
|
||
|
|
l[184] = 247;
|
||
|
|
l[185] = -189;
|
||
|
|
l[186] = -188;
|
||
|
|
l[187] = 252;
|
||
|
|
l[188] = 253;
|
||
|
|
l[189] = -191;
|
||
|
|
l[190] = 250;
|
||
|
|
l[191] = 251;
|
||
|
|
l[192] = -228;
|
||
|
|
l[193] = -225;
|
||
|
|
l[194] = -196;
|
||
|
|
l[195] = 52;
|
||
|
|
l[196] = -198;
|
||
|
|
l[197] = 108;
|
||
|
|
l[198] = -208;
|
||
|
|
l[199] = -201;
|
||
|
|
l[200] = 83;
|
||
|
|
l[201] = -205;
|
||
|
|
l[202] = -204;
|
||
|
|
l[203] = 61;
|
||
|
|
l[204] = 72;
|
||
|
|
l[205] = -207;
|
||
|
|
l[206] = 113;
|
||
|
|
l[207] = 122;
|
||
|
|
l[208] = -212;
|
||
|
|
l[209] = -211;
|
||
|
|
l[210] = 65;
|
||
|
|
l[211] = 70;
|
||
|
|
l[212] = -214;
|
||
|
|
l[213] = 71;
|
||
|
|
l[214] = -216;
|
||
|
|
l[215] = 76;
|
||
|
|
l[216] = -218;
|
||
|
|
l[217] = 74;
|
||
|
|
l[218] = -220;
|
||
|
|
l[219] = 88;
|
||
|
|
l[220] = -222;
|
||
|
|
l[221] = 64;
|
||
|
|
l[222] = -224;
|
||
|
|
l[223] = 42;
|
||
|
|
l[224] = 94;
|
||
|
|
l[225] = -227;
|
||
|
|
l[226] = 53;
|
||
|
|
l[227] = 100;
|
||
|
|
l[228] = -232;
|
||
|
|
l[229] = -231;
|
||
|
|
l[230] = 54;
|
||
|
|
l[231] = 82;
|
||
|
|
l[232] = -234;
|
||
|
|
l[233] = 97;
|
||
|
|
l[234] = -236;
|
||
|
|
l[235] = 111;
|
||
|
|
l[236] = -238;
|
||
|
|
l[237] = 43;
|
||
|
|
l[238] = -240;
|
||
|
|
l[239] = 87;
|
||
|
|
l[240] = -242;
|
||
|
|
l[241] = 41;
|
||
|
|
l[242] = -244;
|
||
|
|
l[243] = 86;
|
||
|
|
l[244] = -246;
|
||
|
|
l[245] = 35;
|
||
|
|
l[246] = -256;
|
||
|
|
l[247] = -249;
|
||
|
|
l[248] = 59;
|
||
|
|
l[249] = -251;
|
||
|
|
l[250] = 95;
|
||
|
|
l[251] = -253;
|
||
|
|
l[252] = 126;
|
||
|
|
l[253] = -255;
|
||
|
|
l[254] = 254;
|
||
|
|
l[255] = 255;
|
||
|
|
l[256] = -384;
|
||
|
|
l[257] = -321;
|
||
|
|
l[258] = -290;
|
||
|
|
l[259] = -275;
|
||
|
|
l[260] = -268;
|
||
|
|
l[261] = -265;
|
||
|
|
l[262] = -264;
|
||
|
|
l[263] = 160;
|
||
|
|
l[264] = 161;
|
||
|
|
l[265] = -267;
|
||
|
|
l[266] = 158;
|
||
|
|
l[267] = 159;
|
||
|
|
l[268] = -272;
|
||
|
|
l[269] = -271;
|
||
|
|
l[270] = 164;
|
||
|
|
l[271] = 165;
|
||
|
|
l[272] = -274;
|
||
|
|
l[273] = 162;
|
||
|
|
l[274] = 163;
|
||
|
|
l[275] = -283;
|
||
|
|
l[276] = -280;
|
||
|
|
l[277] = -279;
|
||
|
|
l[278] = 152;
|
||
|
|
l[279] = 153;
|
||
|
|
l[280] = -282;
|
||
|
|
l[281] = 150;
|
||
|
|
l[282] = 151;
|
||
|
|
l[283] = -287;
|
||
|
|
l[284] = -286;
|
||
|
|
l[285] = 156;
|
||
|
|
l[286] = 157;
|
||
|
|
l[287] = -289;
|
||
|
|
l[288] = 154;
|
||
|
|
l[289] = 155;
|
||
|
|
l[290] = -306;
|
||
|
|
l[291] = -299;
|
||
|
|
l[292] = -296;
|
||
|
|
l[293] = -295;
|
||
|
|
l[294] = 176;
|
||
|
|
l[295] = 177;
|
||
|
|
l[296] = -298;
|
||
|
|
l[297] = 174;
|
||
|
|
l[298] = 175;
|
||
|
|
l[299] = -303;
|
||
|
|
l[300] = -302;
|
||
|
|
l[301] = 180;
|
||
|
|
l[302] = 181;
|
||
|
|
l[303] = -305;
|
||
|
|
l[304] = 178;
|
||
|
|
l[305] = 179;
|
||
|
|
l[306] = -314;
|
||
|
|
l[307] = -311;
|
||
|
|
l[308] = -310;
|
||
|
|
l[309] = 168;
|
||
|
|
l[310] = 169;
|
||
|
|
l[311] = -313;
|
||
|
|
l[312] = 166;
|
||
|
|
l[313] = 167;
|
||
|
|
l[314] = -318;
|
||
|
|
l[315] = -317;
|
||
|
|
l[316] = 172;
|
||
|
|
l[317] = 173;
|
||
|
|
l[318] = -320;
|
||
|
|
l[319] = 170;
|
||
|
|
l[320] = 171;
|
||
|
|
l[321] = -353;
|
||
|
|
l[322] = -338;
|
||
|
|
l[323] = -331;
|
||
|
|
l[324] = -328;
|
||
|
|
l[325] = -327;
|
||
|
|
l[326] = 128;
|
||
|
|
l[327] = 129;
|
||
|
|
l[328] = -330;
|
||
|
|
l[329] = 31;
|
||
|
|
l[330] = 127;
|
||
|
|
l[331] = -335;
|
||
|
|
l[332] = -334;
|
||
|
|
l[333] = 132;
|
||
|
|
l[334] = 133;
|
||
|
|
l[335] = -337;
|
||
|
|
l[336] = 130;
|
||
|
|
l[337] = 131;
|
||
|
|
l[338] = -346;
|
||
|
|
l[339] = -343;
|
||
|
|
l[340] = -342;
|
||
|
|
l[341] = 25;
|
||
|
|
l[342] = 26;
|
||
|
|
l[343] = -345;
|
||
|
|
l[344] = 23;
|
||
|
|
l[345] = 24;
|
||
|
|
l[346] = -350;
|
||
|
|
l[347] = -349;
|
||
|
|
l[348] = 29;
|
||
|
|
l[349] = 30;
|
||
|
|
l[350] = -352;
|
||
|
|
l[351] = 27;
|
||
|
|
l[352] = 28;
|
||
|
|
l[353] = -369;
|
||
|
|
l[354] = -362;
|
||
|
|
l[355] = -359;
|
||
|
|
l[356] = -358;
|
||
|
|
l[357] = 144;
|
||
|
|
l[358] = 145;
|
||
|
|
l[359] = -361;
|
||
|
|
l[360] = 142;
|
||
|
|
l[361] = 143;
|
||
|
|
l[362] = -366;
|
||
|
|
l[363] = -365;
|
||
|
|
l[364] = 148;
|
||
|
|
l[365] = 149;
|
||
|
|
l[366] = -368;
|
||
|
|
l[367] = 146;
|
||
|
|
l[368] = 147;
|
||
|
|
l[369] = -377;
|
||
|
|
l[370] = -374;
|
||
|
|
l[371] = -373;
|
||
|
|
l[372] = 136;
|
||
|
|
l[373] = 137;
|
||
|
|
l[374] = -376;
|
||
|
|
l[375] = 134;
|
||
|
|
l[376] = 135;
|
||
|
|
l[377] = -381;
|
||
|
|
l[378] = -380;
|
||
|
|
l[379] = 140;
|
||
|
|
l[380] = 141;
|
||
|
|
l[381] = -383;
|
||
|
|
l[382] = 138;
|
||
|
|
l[383] = 139;
|
||
|
|
l[384] = -448;
|
||
|
|
l[385] = -417;
|
||
|
|
l[386] = -402;
|
||
|
|
l[387] = -395;
|
||
|
|
l[388] = -392;
|
||
|
|
l[389] = -391;
|
||
|
|
l[390] = 224;
|
||
|
|
l[391] = 225;
|
||
|
|
l[392] = -394;
|
||
|
|
l[393] = 222;
|
||
|
|
l[394] = 223;
|
||
|
|
l[395] = -399;
|
||
|
|
l[396] = -398;
|
||
|
|
l[397] = 228;
|
||
|
|
l[398] = 229;
|
||
|
|
l[399] = -401;
|
||
|
|
l[400] = 226;
|
||
|
|
l[401] = 227;
|
||
|
|
l[402] = -410;
|
||
|
|
l[403] = -407;
|
||
|
|
l[404] = -406;
|
||
|
|
l[405] = 216;
|
||
|
|
l[406] = 217;
|
||
|
|
l[407] = -409;
|
||
|
|
l[408] = 214;
|
||
|
|
l[409] = 215;
|
||
|
|
l[410] = -414;
|
||
|
|
l[411] = -413;
|
||
|
|
l[412] = 220;
|
||
|
|
l[413] = 221;
|
||
|
|
l[414] = -416;
|
||
|
|
l[415] = 218;
|
||
|
|
l[416] = 219;
|
||
|
|
l[417] = -433;
|
||
|
|
l[418] = -426;
|
||
|
|
l[419] = -423;
|
||
|
|
l[420] = -422;
|
||
|
|
l[421] = 240;
|
||
|
|
l[422] = 241;
|
||
|
|
l[423] = -425;
|
||
|
|
l[424] = 238;
|
||
|
|
l[425] = 239;
|
||
|
|
l[426] = -430;
|
||
|
|
l[427] = -429;
|
||
|
|
l[428] = 244;
|
||
|
|
l[429] = 245;
|
||
|
|
l[430] = -432;
|
||
|
|
l[431] = 242;
|
||
|
|
l[432] = 243;
|
||
|
|
l[433] = -441;
|
||
|
|
l[434] = -438;
|
||
|
|
l[435] = -437;
|
||
|
|
l[436] = 232;
|
||
|
|
l[437] = 233;
|
||
|
|
l[438] = -440;
|
||
|
|
l[439] = 230;
|
||
|
|
l[440] = 231;
|
||
|
|
l[441] = -445;
|
||
|
|
l[442] = -444;
|
||
|
|
l[443] = 236;
|
||
|
|
l[444] = 237;
|
||
|
|
l[445] = -447;
|
||
|
|
l[446] = 234;
|
||
|
|
l[447] = 235;
|
||
|
|
l[448] = -480;
|
||
|
|
l[449] = -465;
|
||
|
|
l[450] = -458;
|
||
|
|
l[451] = -455;
|
||
|
|
l[452] = -454;
|
||
|
|
l[453] = 192;
|
||
|
|
l[454] = 193;
|
||
|
|
l[455] = -457;
|
||
|
|
l[456] = 190;
|
||
|
|
l[457] = 191;
|
||
|
|
l[458] = -462;
|
||
|
|
l[459] = -461;
|
||
|
|
l[460] = 196;
|
||
|
|
l[461] = 197;
|
||
|
|
l[462] = -464;
|
||
|
|
l[463] = 194;
|
||
|
|
l[464] = 195;
|
||
|
|
l[465] = -473;
|
||
|
|
l[466] = -470;
|
||
|
|
l[467] = -469;
|
||
|
|
l[468] = 184;
|
||
|
|
l[469] = 185;
|
||
|
|
l[470] = -472;
|
||
|
|
l[471] = 182;
|
||
|
|
l[472] = 183;
|
||
|
|
l[473] = -477;
|
||
|
|
l[474] = -476;
|
||
|
|
l[475] = 188;
|
||
|
|
l[476] = 189;
|
||
|
|
l[477] = -479;
|
||
|
|
l[478] = 186;
|
||
|
|
l[479] = 187;
|
||
|
|
l[480] = -496;
|
||
|
|
l[481] = -489;
|
||
|
|
l[482] = -486;
|
||
|
|
l[483] = -485;
|
||
|
|
l[484] = 208;
|
||
|
|
l[485] = 209;
|
||
|
|
l[486] = -488;
|
||
|
|
l[487] = 206;
|
||
|
|
l[488] = 207;
|
||
|
|
l[489] = -493;
|
||
|
|
l[490] = -492;
|
||
|
|
l[491] = 212;
|
||
|
|
l[492] = 213;
|
||
|
|
l[493] = -495;
|
||
|
|
l[494] = 210;
|
||
|
|
l[495] = 211;
|
||
|
|
l[496] = -504;
|
||
|
|
l[497] = -501;
|
||
|
|
l[498] = -500;
|
||
|
|
l[499] = 200;
|
||
|
|
l[500] = 201;
|
||
|
|
l[501] = -503;
|
||
|
|
l[502] = 198;
|
||
|
|
l[503] = 199;
|
||
|
|
l[504] = -508;
|
||
|
|
l[505] = -507;
|
||
|
|
l[506] = 204;
|
||
|
|
l[507] = 205;
|
||
|
|
l[508] = -510;
|
||
|
|
l[509] = 202;
|
||
|
|
l[510] = 203;
|
||
|
|
}
|
||
|
|
|
||
|
|
var a=0, b=0, e=0, i, o="";
|
||
|
|
|
||
|
|
function B() { if (a===0) { b=encodingCharSet.indexOf(bytes.charAt(e++)); a=6; } return ((b>>--a)&0x01); }
|
||
|
|
|
||
|
|
while(originalLength>0) { i=0;
|
||
|
|
while(l[i]<0) {
|
||
|
|
if (B()) { i=-l[i]; }
|
||
|
|
else { i++; }
|
||
|
|
}
|
||
|
|
o+=String.fromCharCode(l[i]);
|
||
|
|
originalLength--;
|
||
|
|
}
|
||
|
|
|
||
|
|
return o;
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body style="margin: 0px; padding: 1.75em; font-family: sans-serif;">
|
||
|
|
|
||
|
|
<h1 style="margin-top:0px; padding-top:0px;">pgn4web PGN encoder/decoder test</h1>
|
||
|
|
|
||
|
|
<center>
|
||
|
|
|
||
|
|
<textarea id="textArea" style="height:300px; width:900px;"></textarea>
|
||
|
|
<form>
|
||
|
|
<input type="button" style="width:700px;" onClick="javascript: testPGNencode();" value="pgn4web PGN encoder/decoder test">
|
||
|
|
<input type="button" style="width:200px;" onClick="javascript: document.getElementById('textArea').value = '';" value="clear form">
|
||
|
|
</form>
|
||
|
|
<div style="width: 900px; text-align: left"><b>status: </b><span id="status">enter PGN data and press the test button</span></div>
|
||
|
|
<br>
|
||
|
|
<table cellspacing=2 cellpadding=0 border=1>
|
||
|
|
<tr style="font-weight: bold; text-align: center;">
|
||
|
|
<td>original</td>
|
||
|
|
<td>decoded</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td>
|
||
|
|
<textarea id="original" readonly style="height:300px; width:447px;">
|
||
|
|
</textarea>
|
||
|
|
</td>
|
||
|
|
<td>
|
||
|
|
<textarea id="decoded" readonly style="height:300px; width:447px;">
|
||
|
|
</textarea>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
<br>
|
||
|
|
<table cellspacing=2 cellpadding=0 border=1>
|
||
|
|
<tr style="font-weight: bold; text-align: center;">
|
||
|
|
<td>encoded</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td>
|
||
|
|
<textarea id="encoded" readonly style="height:80px; width:896px;">
|
||
|
|
</textarea>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
<tr style="font-weight: bold; text-align: center;">
|
||
|
|
<td>decoding key</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td>
|
||
|
|
<textarea id="decodingKey" readonly style="height:80px; width:896px;">
|
||
|
|
</textarea>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
<br>
|
||
|
|
<table cellspacing=2 cellpadding=0 border=1>
|
||
|
|
<tr style="font-weight: bold; text-align: center;">
|
||
|
|
<td>original letters</td>
|
||
|
|
<td>letter codes</td>
|
||
|
|
<td>decoding values</td>
|
||
|
|
<td>encoded letters</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td>
|
||
|
|
<textarea id="originalLetters" readonly style="height:300px; width:195px;">
|
||
|
|
</textarea>
|
||
|
|
</td>
|
||
|
|
<td>
|
||
|
|
<textarea id="LetterCodes" readonly style="height:300px; width:335px;">
|
||
|
|
</textarea>
|
||
|
|
</td>
|
||
|
|
<td>
|
||
|
|
<textarea id="decodingValues" readonly style="height:300px; width:165px;">
|
||
|
|
</textarea>
|
||
|
|
</td>
|
||
|
|
<td>
|
||
|
|
<textarea id="encodedLetters" readonly style="height:300px; width:195px;">
|
||
|
|
</textarea>
|
||
|
|
</td>
|
||
|
|
</tr>
|
||
|
|
</table>
|
||
|
|
<br>
|
||
|
|
|
||
|
|
</center>
|
||
|
|
|
||
|
|
<script type="text/javascript">
|
||
|
|
|
||
|
|
function testPGNencode() {
|
||
|
|
|
||
|
|
document.getElementById("status").innerHTML = "encoding data, please wait...";
|
||
|
|
|
||
|
|
if (document.getElementById("textArea").value === "") {
|
||
|
|
document.getElementById("original").value = document.getElementById("originalInput").innerHTML;
|
||
|
|
} else {
|
||
|
|
document.getElementById("original").value = document.getElementById("textArea").value;
|
||
|
|
}
|
||
|
|
original_var = document.getElementById("original").value;
|
||
|
|
ret = new Array(3);
|
||
|
|
ret = EncodePGN(original_var);
|
||
|
|
test_bytes = ret[0];
|
||
|
|
test_encodedNodes = ret[1];
|
||
|
|
test_LetterCodes = ret[2];
|
||
|
|
|
||
|
|
document.getElementById("status").innerHTML = "decoding data, please wait...";
|
||
|
|
|
||
|
|
document.getElementById("encoded").value = test_bytes;
|
||
|
|
|
||
|
|
document.getElementById("decoded").value = DecodePGN(test_bytes, test_encodedNodes);
|
||
|
|
|
||
|
|
compressPerc = Math.floor(100 * (document.getElementById("original").value.length - document.getElementById("encoded").value.length) / document.getElementById("original").value.length);
|
||
|
|
|
||
|
|
document.getElementById("status").innerHTML = "encoding/decoding test completed;" +
|
||
|
|
" original: " + document.getElementById("original").value.length + ";" +
|
||
|
|
" encoded: " + document.getElementById("encoded").value.length + ";" +
|
||
|
|
" compression rate: " + compressPerc + "%";
|
||
|
|
|
||
|
|
if (document.getElementById("decoded").value != document.getElementById("original").value) {
|
||
|
|
document.getElementById("status").innerHTML += "<br><span style='font-weight: bold; color: red;'>error: decoded different from original, please check for ASCII chars greater than 255 in the original input</span>";
|
||
|
|
}
|
||
|
|
|
||
|
|
document.getElementById("originalLetters").value = letter_frequency(document.getElementById("original").value);
|
||
|
|
|
||
|
|
document.getElementById("encodedLetters").value = letter_frequency(document.getElementById("encoded").value);
|
||
|
|
|
||
|
|
document.getElementById("decodingKey").value = test_encodedNodes;
|
||
|
|
|
||
|
|
l = new Array();
|
||
|
|
while(test_encodedNodes.length) {
|
||
|
|
l.push((encodingCharSet.indexOf(test_encodedNodes.charAt(0))<<6)+encodingCharSet.indexOf(test_encodedNodes.charAt(1))-512);
|
||
|
|
test_encodedNodes = test_encodedNodes.slice(2,test_encodedNodes.length);
|
||
|
|
}
|
||
|
|
o = "";
|
||
|
|
for (i=0; i<l.length; i++) {
|
||
|
|
o += "l[" + i + "]";
|
||
|
|
if (i < 10) { o += " "; }
|
||
|
|
else { if (i < 100) { o += " "; } }
|
||
|
|
o += " = " + l[i] + ";\n";
|
||
|
|
}
|
||
|
|
document.getElementById("decodingValues").value = o;
|
||
|
|
|
||
|
|
o = "";
|
||
|
|
for (i=0; i<test_LetterCodes.length; i++) {
|
||
|
|
o += "LetterCodes[" + i + "]";
|
||
|
|
if (i < 10) { o += " "; }
|
||
|
|
else { if (i < 100) { o += " "; } }
|
||
|
|
o += " = '" + test_LetterCodes[i] + "';\n";
|
||
|
|
}
|
||
|
|
document.getElementById("LetterCodes").innerHTML = o;
|
||
|
|
}
|
||
|
|
|
||
|
|
function letter_frequency(s) {
|
||
|
|
var thisLetters = new Array(256);
|
||
|
|
for (i = 0; i < thisLetters.length; i ++) { thisLetters[i]=0; }
|
||
|
|
var o = "";
|
||
|
|
for (i = 0; i < s.length; i ++) { thisLetters[s.charCodeAt(i)]++; }
|
||
|
|
for (i = 0; i < thisLetters.length; i ++) {
|
||
|
|
o += "Letters[" + i + "]";
|
||
|
|
if (i < 10) { o += " "; }
|
||
|
|
else { if (i < 100) { o += " "; } }
|
||
|
|
o += " = " + thisLetters[i] + ";";
|
||
|
|
if (i > 32) { o += " // " + String.fromCharCode(i); }
|
||
|
|
o += "\n";
|
||
|
|
}
|
||
|
|
return o;
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
|
||
|
|
<textarea id="originalInput" style="display:none;">
|
||
|
|
[White "Spassky, Boris"]
|
||
|
|
[Black "Fischer, Robert"]
|
||
|
|
[Result "0-1"]
|
||
|
|
[Date "1972"]
|
||
|
|
[Event "World Championship"]
|
||
|
|
[Site "Reykjavik"]
|
||
|
|
[Round "13"]
|
||
|
|
|
||
|
|
1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g6
|
||
|
|
5. Bc4 Nb6 6. Bb3 Bg7 7. Nbd2 O-O 8. h3 a5
|
||
|
|
9. a4 dxe5 10. dxe5 Na6 11. O-O Nc5 12. Qe2 Qe8
|
||
|
|
13. Ne4 Nbxa4 14. Bxa4 Nxa4 15. Re1 Nb6 16. Bd2 a4
|
||
|
|
17. Bg5 h6 18. Bh4 Bf5 19. g4 Be6 20. Nd4 Bc4
|
||
|
|
21. Qd2 Qd7 22. Rad1 Rfe8 23. f4 Bd5 24. Nc5 Qc8
|
||
|
|
25. Qc3 e6 26. Kh2 Nd7 27. Nd3 c5 28. Nb5 Qc6
|
||
|
|
29. Nd6 Qxd6 30. exd6 Bxc3 31. bxc3 f6 32. g5 hxg5
|
||
|
|
33. fxg5 f5 34. Bg3 Kf7 35. Ne5 Nxe5 36. Bxe5 b5
|
||
|
|
37. Rf1 Rh8 38. Bf6 a3 39. Rf4 a2 40. c4 Bxc4
|
||
|
|
41. d7 Bd5 42. Kg3 Ra3 43. c3 Rha8 44. Rh4 e5
|
||
|
|
45. Rh7 Ke6 46. Re7 Kd6 47. Rxe5 Rxc3 48. Kf2 Rc2
|
||
|
|
49. Ke1 Kxd7 50. Rexd5 Kc6 51. Rd6 Kb7 52. Rd7 Ka6
|
||
|
|
53. R7d2 Rxd2 54. Kxd2 b4 55. h4 Kb5 56. h5 c4
|
||
|
|
57. Ra1 gxh5 58. g6 h4 59. g7 h3 60. Be7 Rg8
|
||
|
|
61. Bf8 h2 62. Kc2 Kc6 63. Rd1 b3 64. Kc3 h1Q
|
||
|
|
65. Rxh1 Kd5 66. Kb2 f4 67. Rd1 Ke4 68. Rc1 Kd3
|
||
|
|
69. Rd1 Ke2 70. Rc1 f3 71. Bc5 Rxg7 72. Rxc4 Rd7
|
||
|
|
73. Re4 Kf1 74. Bd4 f2 0-1
|
||
|
|
</textarea>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|
||
|
|
|