CCRL 404FRC
Downloads and Statistics
February 4, 2018
Testing summary:
Total: 216'900 games
played by 173 programs
2025 CPU days (X2 4600+)

White wins: 89'747 (41.4%)
Black wins: 78'162 (36.0%)
Draws: 48'991 (22.6%)
White score: 52.7%

Engine Details

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Chiron 4 64-bit in CCRL 404FRC, 2018-02-04
Shredder GUI, ChessGUI by Matthias Gemuh, Ponder off, 5-men EGTB, 128MB hash, random openings with switched sides
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2018, http://computerchess.org.uk/ccrl/404FRC/

CCRL 404FRC main list:
Chiron 4 64-bit is #7 with rating of 3273 ELO points (+10 -10),
based on 4900 games: 1338 wins, 2494 losses and 1068 draws
Score: 38.2%, Average opponent: +102.5, Draws: 21.8%


Pairwise results:
     Opponent                 ELO     Score                  LOS   Perf
 - Stockfish 9 64-bit         3683  16.0-284.0 (+2 -270=28)    0.0   -39
 - Houdini 6 64-bit           3664  23.5-276.5 (+3 -256=41)    0.0    +7
 - Stockfish 180917 64-bit    3653  22.0-278.0 (+2 -258=40)    0.0   -11
 - Stockfish 8 64-bit         3625  31.0-269.0 (+4 -242=54)    0.0   +18
 - Houdini 5.01 64-bit        3608  34.0-266.0 (+4 -236=60)    0.0   +19
 - Komodo 11.2.1 64-bit       3596  30.5-269.5 (+9 -248=43)    0.0   -25
 - Komodo 10.4 64-bit         3569  36.0-264.0 (+10-238=52)    0.0   -20
 - Fire 6.1 64-bit            3422  74.0-226.0 (+28-180=92)    0.0   -27
 - Shredder 13 64-bit         3388  92.5-207.5 (+42-157=101)    0.0   -14
 - Fire 5 64-bit              3378 109.0-191.0 (+55-137=108)    0.0   +15
 - Critter 1.6a 64-bit        3293 157.0-143.0 (+100-86=114)    0.0   +35
 - Senpai 2.0 64-bit          3212  54.0-46.0  (+39-31=30)  100.0   -33
 - Rybka 4.1 64-bit           3164 205.5-94.5  (+168-57=75)  100.0   +23
 - Nemorino 4.00 64-bit       3136  74.5-25.5  (+61-12=27)  100.0   +38
 - Nemorino 3.04a 64-bit      3097  73.0-27.0  (+59-13=28)  100.0   -12
 - Naum 4.6 64-bit            3080 223.0-77.0  (+181-35=84)  100.0   -20
 - Demolito 2017-08-26 64-bit 2972  86.0-14.0  (+81-9 =10)  100.0   +19
 - Spike 1.4 Leiden           2943 269.5-30.5  (+252-13=35)  100.0   +30
 - Hiarcs 13.2                2928 261.0-39.0  (+238-16=46)  100.0   -32


Created in 2005-2008 by CCRL team
Last games added on February 4, 2018