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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Show each game results
Stockfish 1.5.1 (2938+19
−19
)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
–   Rybka 33086+13
−13
(+148)26 − 74
(+13−61=26)
26.0%
26.0 / 100
0.0%
−23
–   Naum 4.23032+9
−9
(+94)28.5 − 71.5
(+18−61=21)
28.5%
28.5 / 100
0.0%
−66
–   Shredder 123012+8
−8
(+74)40 − 60
(+29−49=22)
40.0%
40.0 / 100
0.0%
+2
–   Naum 42985+16
−15
(+47)45 − 55
(+30−40=30)
45.0%
45.0 / 100
0.0%
+11
–   Deep Sjeng WC20082877+8
−8
(−61)59 − 41
(+48−30=22)
59.0%
59.0 / 100
100.0%
+3
–   Shredder 112876+12
−12
(−62)57 − 43
(+44−30=26)
57.0%
57.0 / 100
100.0%
−13
–   Hiarcs 12.12825+12
−12
(−113)67.5 − 32.5
(+54−19=27)
67.5%
67.5 / 100
100.0%
+11
–   Cyclone xTreme Fear2823+9
−9
(−115)68 − 32
(+53−17=30)
68.0%
68.0 / 100
100.0%
+9
–   Loop for Chess9602755+8
−8
(−183)76 − 24
(+67−15=18)
76.0%
76.0 / 100
100.0%
+19
–   Spike 1.2 Turin2711+9
−9
(−227)85 − 15
(+77−7=16)
85.0%
85.0 / 100
100.0%
+62

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Stockfish 1.5.1
played with current
participants of this list
Represented by
1-2-CPU    300Stockfish 190321
All    300Stockfish 190321
Free    100Stockfish 190321
Free 1-2-CPU    100Stockfish 190321
Free single-CPU    100Stockfish 190321
Open source    100Stockfish 190321
Open source 1-2-CPU    100Stockfish 190321
Open source single-CPU    100Stockfish 190321
Single-CPU    300Stockfish 190321

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