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 2.2.1 (3193+18
−18
)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
–   Critter 1.6a3292+6
−6
(+99)35.5 − 64.5
(+21−50=29)
35.5%
35.5 / 100
0.0%
0
–   Houdini 2.03271+18
−17
(+78)38 − 62
(+21−45=34)
38.0%
38.0 / 100
0.0%
−2
–   Critter 1.23236+21
−20
(+43)43.5 − 56.5
(+26−39=35)
43.5%
43.5 / 100
0.1%
−2
–   Rybka 4.13162+6
−7
(−31)56 − 44
(+40−28=32)
56.0%
56.0 / 100
99.9%
+8
–   Critter 1.013162+20
−20
(−31)55 − 45
(+34−24=42)
55.0%
55.0 / 100
99.1%
0
–   Rybka 33087+13
−13
(−106)68.5 − 31.5
(+55−18=27)
68.5%
68.5 / 100
100.0%
+24
–   Naum 4.23034+9
−9
(−159)77.5 − 22.5
(+67−12=21)
77.5%
77.5 / 100
100.0%
+48
–   Shredder 123014+8
−8
(−179)71.5 − 28.5
(+58−15=27)
71.5%
71.5 / 100
100.0%
−26
–   Chiron 1.1a2985+14
−13
(−208)82 − 18
(+74−10=16)
82.0%
82.0 / 100
100.0%
+50
–   Spike 1.4 Leiden2945+8
−8
(−248)78.5 − 21.5
(+66−9=25)
78.5%
78.5 / 100
100.0%
−37
–   Hiarcs 13.22928+8
−8
(−265)79 − 21
(+71−13=16)
79.0%
79.0 / 100
100.0%
−33
–   Deep Sjeng WC20082878+8
−8
(−315)84 − 16
(+74−6=20)
84.0%
84.0 / 100
100.0%
−46

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 12
All    500Stockfish 12
Free    200Stockfish 12
Free 1-2-CPU    200Stockfish 12
Free single-CPU    200Stockfish 12
Single-CPU    500Stockfish 12

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