CCRL 40/2 FRC
Downloads and Statistics
January 19, 2021
Testing summary:
Total: 297'644 games
played by 231 programs

White wins: 120'491 (40.5%)
Black wins: 102'796 (34.5%)
Draws: 74'357 (25.0%)
White score: 53.0%

Engine Details

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Stockfish 170720 (3763+13
−13
)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
–   Stockfish 123774+12
−12
(+11)219 − 281
(+89−151=260)
43.8%
219.0 / 500
8.8%
−25
= = = 0 = = = = 0 = = 0 0 = = = 0 = 0 = = = 0 = 0 = = 1 = 1 = = = = 0 1 = = = 0 = = = = 1 1 0 = 0 = 1 1 0 = 0 = 0 0 0 0 0 = 0 = 1 1 = = 1 1 0 0 1 1 = = 0 0 0 = = = = = = = 0 1 = = = = 1 = = 1 = 1 = = 0 = = = 0 0 = 0 0 0 0 = 0 1 0 0 0 1 = = = = 1 1 = 0 0 0 = = = = = = = 0 1 = 0 = = 1 = 1 = 1 = 0 1 1 0 0 0 0 = 1 0 0 = = 1 = 0 0 = 0 1 = = = = 1 = 1 0 1 = 0 = 0 = 1 1 = 0 = 0 = = = = 1 = = = 1 = 0 0 = = = 0 = = = = 1 0 = = = 1 = = 0 = 1 1 0 = = 1 1 1 = 1 0 = = 0 0 = 0 0 0 1 1 = 1 0 = = 0 = = 1 = = 0 = = 0 = 1 0 = = = = 0 1 1 0 0 = 1 1 = = 1 1 = = 0 = = = = = 0 = 1 1 = 0 = 0 0 = = 1 = 0 = 1 0 = = = = 1 = 0 = 0 0 = 0 = 1 = 0 0 0 = 0 0 0 = = 0 = = 0 = 0 = 0 = = 1 = 0 = = 0 = = 0 = 0 0 = = = 0 = 0 1 = 1 = 1 = = = 0 0 = = = 0 = 0 = 0 = 0 0 1 1 0 = = 1 0 = = = 0 0 = = 0 1 1 = = = = = 1 1 0 1 0 = 0 = 0 0 = = 1 1 = = 0 1 0 = = = = = 1 = = 0 = = 1 0 0 = = 0 = 1 0 1 0 = = = = = = 1 = = = = 0 = 0 = = 0 0 0 = = = 0 = = 0 = 0 1 = 1 0 0 = 0 = = = 1 0 = 0 = = = 0 0 0 1 = 0 0 = = 0 = = 1 = = = = = 0 0 1 1
–   Houdini 63646+7
−7
(−117)210.5 − 97.5
(+133−20=155)
68.3%
210.5 / 308
100.0%
−6
= = 1 = 1 1 = = = 1 1 0 = = 1 = = 0 = = 1 = = = 1 0 1 = = = = = 1 1 1 = = = = 0 1 = = 1 1 0 = = 1 = = 0 1 = 0 1 0 0 1 = 1 1 = = 1 0 1 = = = = = 1 = = = = 1 = = 1 1 1 = 1 0 1 = = = 1 1 = = 1 = = 1 = = 1 = 1 1 1 = 1 1 1 0 1 0 = 1 = = 1 1 1 1 1 1 0 = 1 = = = = 1 1 1 1 = 1 = = = 1 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 0 = 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 0 = = = = = = 1 1 1 = = 0 = =
–   Komodo 13.33615+9
−9
(−148)237 − 73
(+179−15=116)
76.5%
237.0 / 310
100.0%
+27
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 = 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 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 0 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 0 0 = 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 0 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 1 1 1 1 = 1 1 1 1 = 1 = 1 = 1 1 0 = 1 = 1 = 1 1 = 0 = = = = = = 1 1 = =
–   Ethereal 12.503569+10
−10
(−194)246 − 64
(+192−10=108)
79.4%
246.0 / 310
100.0%
+6
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 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 = 1 1 1 = 1 = 1 1 1 = 1 0 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 = = = = 1 1 1 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 = 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 = 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
–   Komodo 14 MCTS3533+13
−13
(−230)249 − 51
(+201−3=96)
83.0%
249.0 / 300
100.0%
+2
1 = 1 1 = 1 1 0 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 = 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 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 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 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 1 1 1 1 1 1 1
–   Ethereal 12.003522+10
−10
(−241)262 − 40
(+225−3=74)
86.8%
262.0 / 302
100.0%
+41
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 = 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 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 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 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 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 = = 1 1 1 1 = 1
–   SlowChess Blitz 2.23495+11
−11
(−268)272 − 48
(+228−4=88)
85.0%
272.0 / 320
100.0%
−8
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 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 = 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 = 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 = 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 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 =

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Stockfish 170720
played with current
participants of this list
Represented by
1-2-CPU    1118Stockfish 12
All    1118Stockfish 12
Free    810Stockfish 12
Free 1-2-CPU    810Stockfish 12
Free single-CPU    810Stockfish 12
Open source    810Stockfish 12
Open source 1-2-CPU    810Stockfish 12
Open source single-CPU    810Stockfish 12
Single-CPU    1118Stockfish 12

Created in 2005-2008 by CCRL team
Last games added on January 19, 2021