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 2.2.1 (3192+18
−18
)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
–   Critter 1.6a3290+6
−6
(+98)35.5 − 64.5
(+21−50=29)
35.5%
35.5 / 100
0.0%
−1
= 0 0 0 0 1 0 1 0 0 = 0 0 0 0 1 0 = = = = = 1 = 0 0 = 1 0 1 0 0 0 1 0 = 1 1 0 = 0 1 0 0 = 1 0 0 0 1 0 0 0 = = = 0 = 0 1 0 1 1 1 0 0 = 1 0 = 0 1 = 0 0 1 1 0 = 0 = 0 0 = 0 = 0 0 = 0 0 0 = 0 0 = = = 1 =
–   Houdini 2.03270+18
−17
(+78)38 − 62
(+21−45=34)
38.0%
38.0 / 100
0.0%
−2
0 = 0 0 = = = = = 0 = = 0 0 1 = = 0 0 = 0 1 0 0 1 0 0 1 = 1 0 1 0 0 = 0 1 = 1 0 = 1 0 0 1 0 0 = 1 0 1 1 = 1 0 = 0 0 0 = = 0 1 0 = 1 0 1 1 0 0 0 = = = 0 0 0 0 = = 0 1 0 0 1 = = = 0 0 1 = = 0 0 = = = 0
–   Critter 1.23235+21
−20
(+43)43.5 − 56.5
(+26−39=35)
43.5%
43.5 / 100
0.1%
−2
= 0 1 0 = 0 0 0 0 1 1 0 = 0 = = = 1 = 1 = = = = 1 0 = 0 = 0 0 = 1 0 0 1 = 0 = 0 0 = = 0 1 0 1 1 1 0 = = 1 = 0 1 = 0 = 1 = 1 0 0 1 1 1 0 0 = 0 0 0 0 1 = = 0 = = = 1 1 = = 1 = 1 = 0 1 = 0 0 0 0 0 1 0 0
–   Rybka 4.13162+6
−6
(−30)56 − 44
(+40−28=32)
56.0%
56.0 / 100
99.9%
+9
1 0 = 0 = 1 0 1 0 = 0 = = 0 1 1 = 0 1 = 0 1 1 = 1 1 0 0 0 0 1 1 = 0 = 0 1 = = = 0 1 1 1 = 1 0 1 = = = 1 = 1 1 = 1 1 0 = = 1 0 1 = 1 1 0 = = 1 0 1 1 0 1 1 0 0 0 0 0 = = 1 1 1 1 = = = 1 0 = 1 1 0 1 = =
–   Critter 1.013161+20
−20
(−31)55 − 45
(+34−24=42)
55.0%
55.0 / 100
99.0%
0
1 = = 0 1 1 1 1 0 = = 0 = 0 0 = 1 = = = = 1 = 1 = 0 1 1 1 0 1 1 = 1 1 1 0 = = = 1 = 0 = = 0 = 0 1 1 1 = 1 = = 0 1 1 1 0 1 = 1 = = 1 0 0 = = 1 = = = 0 1 = 0 = = 0 1 = = = 0 0 = 1 0 = 1 1 0 = = 0 0 1 =
–   Rybka 33087+13
−13
(−105)68.5 − 31.5
(+55−18=27)
68.5%
68.5 / 100
100.0%
+25
= 0 1 1 1 1 1 = 1 0 1 1 0 1 1 1 1 0 1 0 0 1 1 0 0 = 1 = 1 = = 1 1 0 1 1 0 1 = 1 1 = 1 = 1 1 = 1 1 = = 0 1 1 = 0 = = = = 0 1 = 1 1 1 1 1 = = 1 = 1 1 1 1 1 1 1 1 1 0 = 1 = 1 1 0 1 1 1 = 0 0 0 = = = 1 1
–   Naum 4.23033+9
−9
(−159)77.5 − 22.5
(+67−12=21)
77.5%
77.5 / 100
100.0%
+48
1 = 1 = 1 1 1 1 0 1 = 0 1 1 = 1 = 1 1 0 1 1 1 1 1 1 1 0 = 0 = 1 1 1 1 1 1 1 1 1 = 1 1 0 1 0 1 1 = 1 1 0 = 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 1 1 1 1 1 0 = 0 1 =
–   Shredder 123013+8
−8
(−179)71.5 − 28.5
(+58−15=27)
71.5%
71.5 / 100
100.0%
−26
= 1 1 = = = = 0 1 = 1 1 0 0 = 0 1 1 1 1 = 1 0 1 1 1 = 1 = = 1 = 1 1 = 1 1 = 1 0 1 1 = 1 = 1 0 0 1 1 0 = = 1 1 1 1 = 1 1 0 1 1 1 1 0 1 1 1 = = 1 1 1 1 1 0 1 0 = 1 1 1 = 1 0 1 1 1 = 1 1 1 1 = = = 1 1 0
–   Chiron 1.1a2984+13
−14
(−208)82 − 18
(+74−10=16)
82.0%
82.0 / 100
100.0%
+50
1 0 = 1 0 = 0 1 1 0 = 0 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 0 1 1 1 0 1 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
–   Spike 1.4 Leiden2942+8
−8
(−250)78.5 − 21.5
(+66−9=25)
78.5%
78.5 / 100
100.0%
−39
1 = 1 = 1 1 = 1 1 = 1 0 1 1 1 1 1 1 = = 1 1 1 1 1 1 = = = 1 1 0 = 1 1 1 1 = = 1 1 1 1 1 0 1 1 0 1 = = = 1 1 1 1 1 = 1 = 1 1 1 = 1 = 1 = = 0 1 1 1 0 1 1 1 1 0 1 1 = 1 = = 1 1 0 1 1 1 1 = 1 0 1 1 1 1 1
–   Hiarcs 13.22928+8
−8
(−264)79 − 21
(+71−13=16)
79.0%
79.0 / 100
100.0%
−32
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 0 0 1 1 1 1 1 1 0 1 0 1 1 1 1 1 = 1 1 1 1 0 1 1 1 1 1 = 1 0 = 1 = 1 0 1 = 1 1 = 1 1 = 1 1 1 1 0 = 0 1 = 1 1 1 = 0 1 = 1 1 1 0 1 1
–   Deep Sjeng WC20082878+8
−8
(−314)84 − 16
(+74−6=20)
84.0%
84.0 / 100
100.0%
−45
1 1 1 1 1 = = 1 1 1 1 1 1 1 0 1 1 = = 0 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 = 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 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 2.2.1
played with current
participants of this list
Represented by
1-2-CPU    500Stockfish 190321
All    500Stockfish 190321
Free    200Stockfish 190321
Free 1-2-CPU    200Stockfish 190321
Free single-CPU    200Stockfish 190321
Single-CPU    500Stockfish 190321

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