CCRL 404FRC
Downloads and Statistics
February 4, 2018
Testing summary:
Total: 216'900 games
played by 173 programs
2025 CPU days (X2 4600+)

White wins: 89'747 (41.4%)
Black wins: 78'162 (36.0%)
Draws: 48'991 (22.6%)
White score: 52.7%

Engine Details

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Stockfish 2.1.1 64-bit (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 26 Stockfish versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Houdini 2.0 64-bit3271+18
−17
(+83)37 − 63
(+25−51=24)
37.0%
37.0 / 100
0.0%
−7
0 0 = 1 1 1 1 0 1 0 0 0 1 0 = 0 = = 0 0 0 0 0 = 0 0 = 0 = 0 = = 0 = = 0 1 0 0 1 0 0 1 1 0 1 0 0 0 = 0 1 1 0 = = = 1 0 0 0 1 0 1 0 1 0 0 = 1 = 0 1 1 0 0 = 0 1 0 0 0 0 0 0 0 = 1 = 1 = 1 = 1 0 0 0 0 = =
–   Critter 1.2 64-bit3236+20
−20
(+48)41 − 59
(+22−40=38)
41.0%
41.0 / 100
0.0%
−8
0 = 0 1 0 = 0 0 0 0 1 1 1 0 0 = 1 0 = 1 = 0 1 1 = 0 1 1 0 = = 0 = 0 0 0 = 1 0 = = 1 = = 0 = = 0 0 = 0 = 0 0 0 = 1 0 = 0 0 1 = 1 = 0 1 0 0 0 1 = = = 0 = 1 = = 0 = 1 = 0 = 0 = 0 = 0 = = = 1 = 1 0 1 = 0
–   Rybka 4.1 64-bit3164+7
−7
(−24)55.5 − 44.5
(+38−27=35)
55.5%
55.5 / 100
99.1%
+14
= = = 1 1 = 0 0 0 0 = = 1 = 1 0 1 1 = = 0 0 = = 1 = 1 0 1 = 1 0 1 = 1 1 1 = 0 1 1 1 0 1 0 = 0 0 = 1 1 = 0 1 1 = = 0 = = 1 1 1 0 0 1 0 = 1 0 1 = 0 0 1 0 1 1 1 1 = = 0 = 1 = 1 = 1 = = = = 0 1 0 0 1 = =
–   Critter 1.01 64-bit3162+20
−20
(−26)55.5 − 44.5
(+34−23=43)
55.5%
55.5 / 100
97.3%
+9
1 0 = 1 1 1 1 1 1 = 1 = = 0 1 = 1 = 0 0 1 = 1 = 1 = 0 1 1 = 1 = 0 1 = 0 0 = 1 = 1 = = = = 1 1 0 1 1 = 1 1 = 0 0 1 = = = 0 1 = = = = 1 0 = 0 0 1 1 = = = 0 0 0 = 1 1 = = = 0 = = 0 = = 0 1 = = 1 = = 0 0
–   Rybka 3 64-bit3087+13
−13
(−101)63.5 − 36.5
(+48−21=31)
63.5%
63.5 / 100
100.0%
−7
1 = 0 0 = 1 1 = = 1 1 1 1 0 = = = 1 1 0 0 1 1 1 = 0 1 1 = 1 0 = 0 = 0 = 1 = 1 0 1 = 1 1 1 1 = 0 1 1 = 0 1 = 1 = 1 0 0 1 1 1 0 1 = = 0 0 = = = 0 1 1 1 1 = = 1 1 1 = 1 = 1 = 0 1 1 1 1 = 1 = 1 0 1 0 1 =
–   Naum 4.2 64-bit3034+8
−9
(−154)69 − 31
(+51−13=36)
69.0%
69.0 / 100
100.0%
−29
1 1 = 1 1 1 0 = = = = 1 = 0 1 = = = = = 1 1 0 1 = 1 1 = 0 = = 1 = = 1 1 1 1 1 0 1 = 1 1 0 = 1 1 = = 1 1 1 = 1 0 = 1 1 1 1 1 = 1 0 1 1 0 1 1 1 = = 0 1 1 0 0 = 0 = 1 1 = 1 = 1 = = 1 = 1 = 1 1 = = 1 1 1
–   Shredder 123015+8
−8
(−173)76.5 − 23.5
(+65−12=23)
76.5%
76.5 / 100
100.0%
+23
= 1 = 0 1 1 1 1 1 = 1 1 1 1 1 1 0 1 1 1 1 1 1 1 = 1 0 1 1 = = 1 1 0 1 = 1 = 1 1 1 0 = 1 0 1 1 1 = 1 = = = 1 1 = 1 = 1 1 1 0 1 = 0 1 = 0 1 0 1 1 1 = 0 0 1 1 1 1 1 1 = 1 = = 1 1 1 1 1 1 1 = 1 1 = 1 1 1
–   Chiron 1.1a 64-bit2985+13
−14
(−203)78.5 − 21.5
(+67−10=23)
78.5%
78.5 / 100
100.0%
+10
1 1 1 1 = = = 1 = = 0 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 = = 1 1 1 1 = 1 1 = 1 1 0 1 1 0 = 1 1 1 1 1 0 1 1 1 = = 1 1 = 1 1 1 = 0 = 1 1 1 1 1 1 = 0 = = 1 0 0 1 1 = 1 1 1 = = 1 1 0 1 1 1 1 1 1 = 1 1 1 1 1 =
–   Spike 1.4 Leiden2943+9
−9
(−245)79.5 − 20.5
(+66−7=27)
79.5%
79.5 / 100
100.0%
−30
= 1 1 1 1 1 1 1 1 0 = 1 1 = 1 1 1 1 1 1 1 1 = 1 1 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 = 0 0 1 1 = 0 1 1 1 1 1 1 1 = 1 1 1 = 1 = 1 1 1 1 = 1 1 = 1 = 1 = 1 0 1 =
–   Hiarcs 13.22928+9
−9
(−260)86 − 14
(+78−6=16)
86.0%
86.0 / 100
100.0%
+38
= 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 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 1 1 1 = 1 1 = 1 0 1 1 1 1 0 0 1 1 1 1 1 1 = 1 1 1 = 1 1 1 =
–   Deep Sjeng WC2008 64-bit2877+8
−8
(−311)87.5 − 12.5
(+78−3=19)
87.5%
87.5 / 100
100.0%
−5
= 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 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 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

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Stockfish 2.1.1 64-bit
played with current
participants of this list
Represented by
1-2-CPU    400Stockfish 9 64-bit
All    400Stockfish 9 64-bit
Free    100Stockfish 9 64-bit
Free 1-2-CPU    100Stockfish 9 64-bit
Free single-CPU    100Stockfish 9 64-bit
Single-CPU    400Stockfish 9 64-bit

Created in 2005-2008 by CCRL team
Last games added on February 4, 2018