Niklas Fiekas niklasf
niklasf
/ huffman-pgn.py
Created
January 3, 2016 15:58
Compress and decompress chess games using huffman encoding
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| import bitarray | |
| import chess | |
| import chess.pgn | |
| import sys | |
| import pickle | |
| import textwrap | |
| def base_counts(): | |
| counts = {} |
niklasf
/ spanish-corrections.patch
Last active
February 16, 2016 15:44
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| --- a/masters.pgn 2016-02-08 16:00:16.000000000 +0100 | |
| +++ b/masters.pgn 2016-02-16 16:34:55.645514341 +0100 | |
| @@ -39522220,21 +39522220,21 @@ | |
| [WhiteElo "2591"] | |
| [BlackElo "2327"] | |
| [PlyCount "93"] | |
| [EventDate "2010.11.13"] | |
| [EventType "swiss"] | |
| [EventRounds "9"] | |
| [EventCountry "CHN"] |
niklasf
/ find-moves.py
Created
February 18, 2016 14:56
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| #!/usr/bin/python3 | |
| # -*- coding: utf-8 -*- | |
| import json | |
| import collections | |
| import chess | |
| import chess.pgn | |
| db = {} |
niklasf
/ eco.chessx.json
Last active
February 18, 2016 21:36
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| {"n": "King's Indian: S\u00e4misch, Orthodox, 7.Nge2 c6", "f": "rnbq1rk1/pp3pbp/2pp1np1/4p3/2PPP3/2N1BP2/PP2N1PP/R2QKB1R w KQ", "c": "E86a", "m": "d2d4 g8f6 c2c4 g7g6 b1c3 f8g7 e2e4 d7d6 f2f3 e8g8 c1e3 e7e5 g1e2 c7c6"} | |
| {"n": "Sicilian: Najdorf, Polugaevsky, 10.Qe2 Nfd7 11.O-O-O Bb7", "f": "rn2kb1r/1bqn1ppp/p3p3/1p2P1B1/3N4/2N5/PPP1Q1PP/2KR1B1R w kq", "c": "B96v", "m": "e2e4 c7c5 g1f3 d7d6 d2d4 c5d4 f3d4 g8f6 b1c3 a7a6 c1g5 e7e6 f2f4 b7b5 e4e5 d6e5 f4e5 d8c7 d1e2 f6d7 e1c1 c8b7"} | |
| {"n": "Queen's Indian: Pomar, Polugaevsky Variation", "f": "rn1q1rk1/pbppbppp/1p3n2/3p4/2P4N/6P1/PP2PPBP/RNBQ1RK1 b -", "c": "E17w", "m": "d2d4 g8f6 c2c4 e7e6 g1f3 b7b6 g2g3 c8b7 f1g2 f8e7 e1g1 e8g8 d4d5 e6d5 f3h4"} | |
| {"n": "Sicilian: Taimanov, Szen, Hedgehog Variation", "f": "r1bq1rk1/4bppp/ppnppn2/8/2P1P3/N1N5/PP2BPPP/R1BQ1RK1 w -", "c": "B44w", "m": "e2e4 c7c5 g1f3 e7e6 d2d4 c5d4 f3d4 b8c6 d4b5 d7d6 c2c4 g8f6 b1c3 a7a6 b5a3 f8e7 f1e2 e8g8 e1g1 b7b6"} | |
| {"n": "QGD: Semi-Tarrasch, 7.Bd3 Main Line, 10.Re1 Bf6 11.Be4 Nce7", "f": "r1bq1rk1/ |
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| import ctypes | |
| import contextlib | |
| import os | |
| import platform | |
| def detect_cpu_capabilities(): | |
| # Detects support for popcnt and pext instructions | |
| modern, bmi2 = False, False |
niklasf
/ encode-movetimes.py
Last active
November 21, 2016 16:51
Benchmarking various methods to encode 100 000 movetimes from FICS
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| from __future__ import division | |
| from __future__ import print_function | |
| import heapq | |
| import math | |
| import itertools | |
| from collections import defaultdict | |
| #from scipy.special import erf, erfinv |
niklasf
/ atomic.md5sums
Last active
November 16, 2016 15:29
MD5SUMS of 5 piece atomic syzygy tables
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| 5f09f78f986d440d5fda3cd28b335eb3 KBBBvK.atbw | |
| 30405c5366213d43f4acf68b10c5ca58 KBBBvK.atbz | |
| 8314a33d3042c8ab76ca365d492c7fd2 KBBNvK.atbw | |
| 996aa9ef24cadf6342e15212b8ca91a1 KBBNvK.atbz | |
| 2087b9823af4ca34e0f1692b917650e5 KBBPvK.atbw | |
| 19b934721c02787d50b471ef44e99bd7 KBBPvK.atbz | |
| 0b12a60dcd347e5db4dcb3a19a351b1f KBBvK.atbw | |
| 2cdbcd87dbd5a2e069b121d08eb68138 KBBvK.atbz | |
| 6d57f8073f620c5a4c0e33ecda89e79a KBBvKB.atbw | |
| a382621f6953995d3948b5f45d5cf7bb KBBvKB.atbz |
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| 5f09f78f986d440d5fda3cd28b335eb3 KBBBvK.atbw | |
| 8314a33d3042c8ab76ca365d492c7fd2 KBBNvK.atbw | |
| 2087b9823af4ca34e0f1692b917650e5 KBBPvK.atbw | |
| 0b12a60dcd347e5db4dcb3a19a351b1f KBBvK.atbw | |
| 6d57f8073f620c5a4c0e33ecda89e79a KBBvKB.atbw | |
| 03dfac996c8ad3bb0243b6cab20d22db KBBvKN.atbw | |
| fea01a36c7246c01ff7dee676478f69f KBBvKP.atbw | |
| df59dd79ecd5e81667a8d0df9279ad5d KBBvKQ.atbw | |
| 69e712795f8131d814fe9c5207d01423 KBBvKR.atbw | |
| 3ec95fde73d9142b220c7b599a7bc569 KBNNvK.atbw |
niklasf
/ pgn-codebook.py
Last active
March 28, 2023 14:26
Experiment with PGN compression. Usage: python pgn-codebook.py corpus.pgn
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| import chess.pgn | |
| import huffman | |
| import sys | |
| # https://github.com/flok99/feeks/blob/master/psq.py | |
| PSQT = { | |
| chess.PAWN: [ | |
| 0, 0, 0, 0, 0, 0, 0, 0, | |
| 50, 50, 50, 50, 50, 50, 50, 50, |
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| import sys | |
| import chess.syzygy | |
| import itertools | |
| PCHR = chess.syzygy.PCHR | |
| NORMAL = set(chess.syzygy.filenames()) | |
| def swap(egname): | |
| w, b = egname.split("v") |