Skip to content

Instantly share code, notes, and snippets.

Niklas Fiekas niklasf

Block or report user

Report or block niklasf

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile
niklasf /
Last active Dec 27, 2018
A ChildWatcher that does not require the asyncio loop to be running in the main thread
import asyncio
import os
import sys
import threading
import time
import warnings
if [[ $# -ne 3 ]]; then
echo "usage:" $0 "base test n_runs"
echo "example:" $0 "./stockfish_base ./stockfish_test 10"
exit 1
niklasf /
Created Jan 26, 2018
Create a Makefile for Syzygy tabebase generation
import sys
import chess.syzygy
import itertools
PCHR = chess.syzygy.PCHR
NORMAL = set(chess.syzygy.filenames())
def swap(egname):
w, b = egname.split("v")
niklasf /
Last active Jan 19, 2018
Experiment with PGN compression. Usage: python corpus.pgn
import chess.pgn
import huffman
import sys
PSQT = {
chess.PAWN: [
0, 0, 0, 0, 0, 0, 0, 0,
50, 50, 50, 50, 50, 50, 50, 50,
niklasf / 3-4-5.atbw.md5
Created Nov 21, 2016
Atomic syzygy tablebase stats
View 3-4-5.atbw.md5
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 / atomic.md5sums
Last active Nov 16, 2016
MD5SUMS of 5 piece atomic syzygy tables
View atomic.md5sums
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
niklasf /
Last active Nov 21, 2016
Benchmarking various methods to encode 100 000 movetimes from FICS
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 /
Last active Aug 14, 2016
Detect support for popcnt and pext instructions on amd64, x86-64, x86 and i686 CPUs
import ctypes
import contextlib
import os
import platform
def detect_cpu_capabilities():
# Detects support for popcnt and pext instructions
modern, bmi2 = False, False
View eco.chessx.json
This file has been truncated, but you can view the full file.
{"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"}
# -*- coding: utf-8 -*-
import json
import collections
import chess
import chess.pgn
db = {}
You can’t perform that action at this time.