CCRL 40/2 FRC
Downloads and Statistics
May 6, 2021
Testing summary:
Total: 341'114 games
played by 257 programs

White wins: 137'230 (40.2%)
Black wins: 115'634 (33.9%)
Draws: 88'250 (25.9%)
White score: 53.2%

Engine Details

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Stockfish 2.2.2 (3183+20
−20
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: List of Authors, Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 32 Stockfish versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Critter 1.6a3288+6
−6
(+105)33 − 67
(+13−47=40)
33.0%
33.0 / 100
0.0%
−3
0 0 = 0 0 0 0 0 0 = 0 0 0 0 = 1 = 0 = 0 0 = 0 1 0 = 1 = 1 0 = = = = 0 = 1 = = = = 0 0 = 1 0 = 0 = 0 0 = = 0 1 0 1 0 0 1 = 0 = 0 = = = = = 1 1 = 0 0 0 = 0 1 0 0 = 0 0 = 0 0 = = 0 0 0 = = = = 1 0 = 0 0
–   Houdini 2.03268+18
−17
(+85)40 − 60
(+25−45=30)
40.0%
40.0 / 100
0.0%
+17
= = 0 0 1 0 1 = = 0 1 1 1 1 0 = 1 0 0 = 1 0 = 1 0 0 1 0 1 0 = 0 1 0 0 0 0 0 1 = = = 0 0 1 0 0 0 = = = = 0 0 1 = 0 = = = 0 1 1 0 1 0 0 0 1 0 = 0 = 0 = 1 0 = = = 0 0 = = = 0 1 0 0 0 = 0 1 = 0 1 0 1 1 0
–   Rybka 4.13159+6
−6
(−24)57 − 43
(+38−24=38)
57.0%
57.0 / 100
99.0%
+22
0 = 0 1 1 1 = 0 1 = = = 0 = 1 = 1 0 0 1 = = 0 1 = = = = 1 1 = = 0 1 1 = 0 1 1 0 = = 1 0 = 1 0 1 0 = = 0 = = = = = = 0 = 0 1 1 = 1 1 1 1 0 0 1 = 1 1 = 0 = 1 = 0 1 0 1 1 1 1 0 = = = 0 1 1 = 1 1 1 = 1 0
–   Rybka 33086+13
−13
(−97)71 − 29
(+56−14=30)
71.0%
71.0 / 100
100.0%
+51
= 1 = 1 1 = = = 1 1 0 = = 1 1 = 0 1 1 1 1 = 1 1 1 1 0 1 1 1 1 = 0 1 1 = 1 0 0 1 0 = 1 = = = = = 1 1 1 1 1 1 0 1 1 = 0 = 1 1 = = 1 = = 1 1 1 = = 0 1 1 = 1 1 1 1 1 1 1 1 = = 0 = 0 1 1 0 0 1 1 = 1 1 1 1
–   Naum 4.23032+9
−9
(−151)70 − 30
(+58−18=24)
70.0%
70.0 / 100
100.0%
−6
0 = 1 1 1 0 1 1 1 1 = 0 = 1 1 = 1 = = 1 1 1 1 0 1 0 = 1 1 1 1 1 = = = = 1 1 1 1 = 1 1 1 0 1 1 1 1 = 1 = = = 1 1 1 = = 0 0 1 = 1 0 0 1 1 1 0 1 = 1 1 0 0 1 1 1 1 1 1 1 = 0 0 = 0 1 = 0 0 1 1 1 1 1 1 = 1
–   Shredder 123012+8
−8
(−171)70.5 − 29.5
(+55−14=31)
70.5%
70.5 / 100
100.0%
−29
= = = 1 0 1 1 0 = 0 0 = 1 0 1 1 1 0 1 = 1 1 0 1 0 = 1 = 1 1 1 = 0 = 1 0 = 0 = 1 1 = 1 1 1 = 1 1 1 1 1 1 1 = = 1 1 = 1 = = = 1 1 1 0 1 0 = 1 1 1 = 1 1 1 1 1 1 1 = = 1 = = 1 1 1 1 = 1 = 1 1 = 0 1 1 = =
–   Chiron 1.1a2983+13
−14
(−200)73 − 27
(+57−11=32)
73.0%
73.0 / 100
100.0%
−43
1 = 1 1 1 1 1 = = 1 = = 0 0 1 1 = 0 = = 1 1 1 0 1 = 1 1 1 0 = 1 = 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1 0 1 = 1 = 0 1 1 1 1 = 1 = = 1 = 1 1 = = 0 1 = = 1 1 = = = 0 = 1 1 = 1 = = 1 1 = 1 1 1 1 0 0 1 1 = 1 1 1
–   Spike 1.4 Leiden2941+8
−8
(−242)79.5 − 20.5
(+65−6=29)
79.5%
79.5 / 100
100.0%
−31
1 = = = 1 = 1 1 = = = 1 = 1 1 0 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 = 1 1 1 1 1 = 1 = 0 = 0 1 = 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 = 1 1 = 1 = 1 = = 1 = 1 1 = 1 1 1 = 1 1 1 1 1 = 1 1 0 = 1 1 = = 0 = 1 =
–   Hiarcs 13.22927+8
−8
(−256)84.5 − 15.5
(+77−8=15)
84.5%
84.5 / 100
100.0%
+31
1 1 = 1 1 1 1 = 1 0 1 = 1 1 1 1 1 1 1 = 1 1 1 0 0 1 1 1 = 1 1 1 1 1 1 1 1 1 1 0 = 1 1 1 1 1 1 1 1 = 1 0 1 1 1 1 = = 1 = 0 = 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 = = 0 1 1 1 1 1 1 1 0 1
–   Deep Sjeng WC20082877+8
−8
(−306)85 − 15
(+77−7=16)
85.0%
85.0 / 100
100.0%
−17
1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 = 0 1 0 1 1 = = = = = 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 = 0 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 0 0 1 1 1 = = 1 1 1 1 1 1 0 = = 1 1 1 1 1 1 1 1 1 1 1 1 1 = = 1 1 1 1 1 1 1 1 0

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Stockfish 2.2.2
played with current
participants of this list
Represented by
1-2-CPU    500Stockfish 190321
All    500Stockfish 190321
Free    200Stockfish 190321
Free 1-2-CPU    200Stockfish 190321
Free single-CPU    200Stockfish 190321
Single-CPU    500Stockfish 190321

Created in 2005-2008 by CCRL team
Last games added on May 6, 2021