CCRL 40/2 FRC
Downloads and Statistics
April 3, 2021
Testing summary:
Total: 323'540 games
played by 249 programs

White wins: 130'279 (40.3%)
Black wins: 110'397 (34.1%)
Draws: 82'864 (25.6%)
White score: 53.1%

Engine Details

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Stockfish 2.2.2 (3184+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 1.6a3290+6
−6		(+106)33 − 67
(+13−47=40)
33.0%
33.0 / 100
0.0%
−2
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 2.03270+18
−17		(+86)40 − 60
(+25−45=30)
40.0%
40.0 / 100
0.0%
+18
= = 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 4.13162+6
−6		(−22)57 − 43
(+38−24=38)
57.0%
57.0 / 100
98.5%
+24
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 33087+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 4.23033+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 123013+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 1.1a2984+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 Leiden2942+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 13.22928+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 WC20082878+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
1000 games: 521 wins, 194 losses, 285 draws (28.5%), score: 66.3%

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 April 3, 2021