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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Show each game results
Stockfish 2.3.1 (3204+15
−15
)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
–   Houdini 33356+13
−12
(+152)90 − 210
(+52−172=76)
30.0%
90.0 / 300
0.0%
+8
1 1 0 0 0 = 1 = 0 = 0 0 0 1 1 0 0 1 = = 0 0 = 0 0 = 0 0 1 = 0 = 0 = = = 0 1 0 0 0 0 = 0 1 0 = = 0 0 0 0 1 = 0 = 0 = 1 0 = 0 0 0 = 0 0 0 0 0 0 0 0 0 = 0 0 0 = 0 0 0 1 1 1 0 0 0 0 = 0 0 0 1 1 0 0 = 0 0 = = 1 = = 0 0 0 0 = 0 0 1 0 1 0 0 = 1 1 0 0 = = 1 0 0 0 = = 1 0 1 0 = 0 0 0 0 0 1 0 0 0 0 0 0 = = 1 0 0 = = 0 0 0 1 0 1 0 1 0 = 0 1 0 1 = 0 0 0 = 0 = 0 0 0 = 0 0 0 1 0 = 0 1 0 0 0 0 0 1 = = 0 = 0 0 1 0 0 1 = 0 0 0 = 0 0 0 = 0 = 1 0 = 0 = 0 1 0 0 0 1 0 0 0 = 1 1 1 1 0 1 0 = 0 0 0 0 1 = 0 1 0 0 0 = 0 0 0 = 0 = 0 1 = = = = = 1 1 0 0 = 0 0 0 0 = 0 0 0 0 = 0 1 0 0 0 = = = = = 0 0 = 1 = 0 0 1 0 0 = 0 0
–   Critter 1.6a3290+6
−6
(+86)107.5 − 192.5
(+49−134=117)
35.8%
107.5 / 300
0.0%
−5
= = 0 = 0 0 1 0 = = = 1 = 0 0 0 = = = 0 1 = 0 0 0 0 0 0 = 0 1 0 = = 1 0 0 0 0 0 0 0 = 0 0 0 = 0 = = 1 0 0 = 0 0 1 0 1 0 = 1 0 1 0 0 0 0 = = = 1 0 = = = 1 0 1 0 = = = 0 0 0 = = 1 1 0 0 0 0 0 0 = = = = 1 0 = 0 0 = 0 = 0 0 = 1 = 0 0 = = 1 = 0 = 1 0 0 = 0 0 0 = 0 1 = 0 = 1 = 0 = 0 0 0 = = 0 = = = 1 0 0 1 0 = 0 0 = 0 1 0 = 0 0 1 0 0 0 0 = 0 1 0 0 0 1 = = 1 1 0 1 0 = 0 = = 1 0 = = = = = 0 = = 0 0 = 0 = = 0 = = = = = = = 0 0 0 = = 0 1 = 1 0 = 0 1 0 0 0 1 = = = = = 0 = 0 0 = = = = 1 1 = = = 1 = 0 0 = 0 1 = = 0 = 1 = 0 1 = 0 0 1 1 0 = 0 1 0 0 0 0 0 1 = = 0 0 = = 1 = 0 0 0 0 0 1 0 0 = 1 = 1 0 = = = 0 =
–   Houdini 2.03270+18
−17
(+66)41 − 59
(+22−40=38)
41.0%
41.0 / 100
0.0%
+9
1 0 = = = = = = 0 = 1 = 1 0 = = 1 0 0 0 1 = 0 = 1 = = 1 1 0 = 0 = 0 0 0 0 = 1 = 0 = 0 = = 0 1 = 1 0 1 = 0 = = = 0 1 1 = = 0 0 0 = 1 0 0 0 0 = 0 1 0 0 0 = 1 0 0 0 = = 1 0 0 0 0 = = 1 = 0 0 0 = 1 1 = 1
–   Rybka 4.13162+6
−6
(−42)169 − 131
(+114−76=110)
56.3%
169.0 / 300
100.0%
0
= = 1 1 0 0 1 = 0 0 0 = 1 1 0 1 1 1 1 0 = = = 0 1 0 = = = 1 1 = 1 0 = 0 1 1 = = 1 0 = = 1 = 0 = 1 0 = 0 1 1 = = = 1 0 1 1 0 1 = = = 1 = 1 0 1 = = 0 1 0 1 1 = = 1 1 1 0 0 0 1 = 1 = = = = 1 1 = = 1 = = 1 = 1 = = 0 0 0 = 1 = 1 = 1 = 0 1 1 = 1 = 1 0 0 = 1 1 0 1 0 0 1 1 = = 1 = = 1 = 0 0 0 1 = 0 0 = 1 0 0 1 1 0 = 0 1 0 1 1 1 1 1 = 1 1 = 0 0 1 = 0 = = = 1 = = = 0 = 1 = = 1 1 = = 0 1 0 1 0 = = 1 0 1 0 = = = 0 1 = 1 = = = 1 1 1 1 1 = = 1 1 = = = 0 = 1 0 1 1 0 0 1 = 0 0 = = 0 1 1 = = 1 1 = = 0 = = 1 0 1 0 1 0 0 = 1 1 1 1 = 0 1 0 = 1 1 0 = 1 = = = 1 1 1 1 0 1 = 1 = = 0 1 = 1 0 = 0 = 0 0 = 0 0 1 1 1 = 0
–   Chiron 1.53039+12
−12
(−165)75.5 − 24.5
(+67−16=17)
75.5%
75.5 / 100
100.0%
+33
1 1 1 1 0 1 0 = 1 0 0 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 = = 1 1 1 0 0 1 = 0 1 1 = 1 1 = 1 1 1 = 0 1 = 1 = = 1 = 1 = 0 0 1 0 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 0 0 1 0 1 = 1 1 1
–   Naum 4.23033+9
−9
(−171)73 − 27
(+58−12=30)
73.0%
73.0 / 100
100.0%
−12
1 1 1 = 1 1 1 1 1 0 1 1 1 1 0 = 1 1 = 1 = 1 1 1 1 0 = = = 1 1 1 1 0 1 1 = 0 = = 1 = 1 1 = = 1 1 1 0 1 1 = 1 1 = 1 0 1 = 1 1 1 = = 0 = 1 1 1 = 1 1 = = 0 1 = 1 1 1 1 1 0 = = 1 1 = = 1 1 = 1 = 0 1 = 1 0
–   Shredder 123013+8
−8
(−191)76 − 24
(+62−10=28)
76.0%
76.0 / 100
100.0%
−4
1 = 1 1 1 0 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 0 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 0 0 1 1 1 0 1 = = = 1 = = 0 1 = = 0 1 1 1
–   Chiron 1.1a2984+13
−14
(−220)75.5 − 24.5
(+62−11=27)
75.5%
75.5 / 100
100.0%
−38
1 0 1 = 1 = 1 1 1 = = 1 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 0 0 1 = 1 0 1 0 = 0 = = 1 1 1 1 1 1 1 = 1 1 1 = = 1 1 1 = 1 0 1 1 = = 1 1 1 1 0 1 1 1 0 1 1 = 1 = 1
–   Spike 1.4 Leiden2942+8
−8
(−262)85 − 15
(+74−4=22)
85.0%
85.0 / 100
100.0%
+10
= 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 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 0 1 1 1 1 1 1 1 1 1 1 1 1 1 =
–   Hiarcs 13.22928+8
−8
(−276)86 − 14
(+79−7=14)
86.0%
86.0 / 100
100.0%
+30
1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 0 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 0 0 = = 1 = = = 1 1 = 1 = 0 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
–   Deep Sjeng WC20082878+8
−8
(−326)85.5 − 14.5
(+76−5=19)
85.5%
85.5 / 100
100.0%
−40
= 1 1 1 1 1 1 = 1 = 1 1 0 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 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 0 1 0 1 1 = 1

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 190321
All    900Stockfish 190321
Free    400Stockfish 190321
Free 1-2-CPU    400Stockfish 190321
Free single-CPU    400Stockfish 190321
Single-CPU    900Stockfish 190321

Created in 2005-2008 by CCRL team
Last games added on April 3, 2021