CCRL 40/2 FRC
Downloads and Statistics
September 15, 2020
Testing summary:
Total: 294'230 games
played by 227 programs

White wins: 119'042 (40.5%)
Black wins: 101'521 (34.5%)
Draws: 73'667 (25.0%)
White score: 53.0%

Engine Details

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Show each game results
Stockfish 2.3.1 (3205+15
−15
)Quote
Authors: Tord Romstad (Norway), Marco Costalba, Joona Kiiski Links: Glaurung homepage, Homepage, Development Versions, Testing Framework
Stockfish is based on Glaurung by Tord Romstad.
This is one of the 29 Stockfish versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Houdini 33357+13
−12
(+152)90 − 210
(+52−172=76)
30.0%
90.0 / 300
0.0%
+8
–   Critter 1.6a3292+6
−6
(+87)107.5 − 192.5
(+49−134=117)
35.8%
107.5 / 300
0.0%
−4
–   Houdini 2.03271+18
−17
(+66)41 − 59
(+22−40=38)
41.0%
41.0 / 100
0.0%
+9
–   Rybka 4.13162+6
−7
(−43)169 − 131
(+114−76=110)
56.3%
169.0 / 300
100.0%
0
–   Chiron 1.53040+12
−12
(−165)75.5 − 24.5
(+67−16=17)
75.5%
75.5 / 100
100.0%
+33
–   Naum 4.23034+9
−9
(−171)73 − 27
(+58−12=30)
73.0%
73.0 / 100
100.0%
−12
–   Shredder 123014+8
−8
(−191)76 − 24
(+62−10=28)
76.0%
76.0 / 100
100.0%
−4
–   Chiron 1.1a2985+14
−13
(−220)75.5 − 24.5
(+62−11=27)
75.5%
75.5 / 100
100.0%
−38
–   Spike 1.4 Leiden2945+8
−8
(−260)85 − 15
(+74−4=22)
85.0%
85.0 / 100
100.0%
+12
–   Hiarcs 13.22928+8
−8
(−277)86 − 14
(+79−7=14)
86.0%
86.0 / 100
100.0%
+29
–   Deep Sjeng WC20082878+8
−8
(−327)85.5 − 14.5
(+76−5=19)
85.5%
85.5 / 100
100.0%
−41

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Stockfish 2.3.1
played with current
participants of this list
Represented by
1-2-CPU    900Stockfish 12
All    900Stockfish 12
Free    400Stockfish 12
Free 1-2-CPU    400Stockfish 12
Free single-CPU    400Stockfish 12
Single-CPU    900Stockfish 12

Created in 2005-2008 by CCRL team
Last games added on September 15, 2020