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 2.1.1 (3188+19
−19
)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 2.03271+18
−17
(+83)37 − 63
(+25−51=24)
37.0%
37.0 / 100
0.0%
−7
–   Critter 1.23236+21
−20
(+48)41 − 59
(+22−40=38)
41.0%
41.0 / 100
0.0%
−8
–   Critter 1.013162+20
−20
(−26)55.5 − 44.5
(+34−23=43)
55.5%
55.5 / 100
97.4%
+9
–   Rybka 4.13162+6
−7
(−26)55.5 − 44.5
(+38−27=35)
55.5%
55.5 / 100
99.4%
+12
–   Rybka 33087+13
−13
(−101)63.5 − 36.5
(+48−21=31)
63.5%
63.5 / 100
100.0%
−7
–   Naum 4.23034+9
−9
(−154)69 − 31
(+51−13=36)
69.0%
69.0 / 100
100.0%
−29
–   Shredder 123014+8
−8
(−174)76.5 − 23.5
(+65−12=23)
76.5%
76.5 / 100
100.0%
+22
–   Chiron 1.1a2985+14
−13
(−203)78.5 − 21.5
(+67−10=23)
78.5%
78.5 / 100
100.0%
+10
–   Spike 1.4 Leiden2945+8
−8
(−243)79.5 − 20.5
(+66−7=27)
79.5%
79.5 / 100
100.0%
−28
–   Hiarcs 13.22928+8
−8
(−260)86 − 14
(+78−6=16)
86.0%
86.0 / 100
100.0%
+38
–   Deep Sjeng WC20082878+8
−8
(−310)87.5 − 12.5
(+78−3=19)
87.5%
87.5 / 100
100.0%
−4

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Stockfish 2.1.1
played with current
participants of this list
Represented by
1-2-CPU    400Stockfish 12
All    400Stockfish 12
Free    100Stockfish 12
Free 1-2-CPU    100Stockfish 12
Free single-CPU    100Stockfish 12
Single-CPU    400Stockfish 12

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