CCRL 40/2 FRC
Downloads and Statistics
March 5, 2021
Testing summary:
Total: 318'216 games
played by 246 programs

White wins: 128'285 (40.3%)
Black wins: 108'887 (34.2%)
Draws: 81'044 (25.5%)
White score: 53.0%

Engine Details

Options
Show each game results
Stockfish 12 (3773+11
−11
)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 31 Stockfish versions we tested: Compare them!
OpponentELODiffResultsScoreLOSPerf
–   Fat Fritz 23817+12
−11
(+44)136 − 164
(+22−50=228)
45.3%
136.0 / 300
0.0%
+19
= = = = = 0 0 = = = 0 = = = = = = = = 0 = = = = = 1 = = = = = = = = = = = = = = = = = 1 = = = = = = = 1 = 0 = = = = 0 = = = 1 0 = 1 0 = 0 = = = = = = = = = = 1 = 0 0 = 1 = = = = 1 0 = 0 = = 1 = = = = 0 = 0 0 0 = 0 1 = = = = = 0 = = = = = = 0 = = 1 = = = = 0 = = = = = 1 1 = 0 0 = 0 = = = = = 0 = 0 = = = = = = 0 0 = 0 = = 1 = = = 0 0 = 1 = = = = = = = = = = = 0 = = = = = = = = = = = = = = = = = 0 = = = = = = = = = = = 0 0 0 = 1 = 0 = 0 0 = = = = = = = = = = 0 1 = = 0 = = = 0 = 0 = 0 = 0 0 = = = = = 1 = = = = = = = = 0 = = = = = 0 = = 1 = = = = 1 = = = = = 1 = 0 = = = = = = = = = = = = 1 0 = = =
–   Dragon by Komodo3785+11
−11
(+12)148 − 152
(+52−56=192)
49.3%
148.0 / 300
6.1%
+8
0 0 0 = 0 = = 1 = = = = 1 = 1 = = 0 = 0 1 = = 0 1 = = = = = = = 1 0 = 1 = = = = = = 1 = = 1 = 1 1 = 1 = = = 1 0 = 1 = = = = 0 = = 1 0 = = = = = 0 1 = = = = = 1 = = 0 = 1 = = 1 = = = = = = 0 = 0 = = = = 1 1 = = = = = 0 0 0 = = = = = = 1 = = 0 = = 0 = = = 0 0 = = 1 = = = 1 = = 0 = 1 1 0 0 = 1 = = = = = = = 1 = = 0 = = 1 = = = = 1 1 0 = = = = = = = 0 0 = = = 1 = = = 1 0 = 0 0 = = = = 1 = 0 = = = = = = = = 0 = = = = 1 1 = 1 0 1 0 = 0 0 0 1 = 1 = = 0 0 1 = 1 = 1 0 = = 0 = 1 = = 0 = 1 = 0 = 1 1 = = = 0 0 = 1 = = 0 1 = = 0 0 = = = = = = = = 0 0 = = = 1 = = = = = = = = 1 = = = = = = = 0 0 = 1 0 = 0 =
–   Stockfish 1707203761+13
−13
(−12)281 − 219
(+151−89=260)
56.2%
281.0 / 500
94.1%
+24
= = = 1 = = = = 1 = = 1 1 = = = 1 = 1 = = = 1 = 1 = = 0 = 0 = = = = 1 0 = = = 1 = = = = 0 0 1 = 1 = 0 0 1 = 1 = 1 1 1 1 1 = 1 = 0 0 = = 0 0 1 1 0 0 = = 1 1 1 = = = = = = = 1 0 = = = = 0 = = 0 = 0 = = 1 = = = 1 1 = 1 1 1 1 = 1 0 1 1 1 0 = = = = 0 0 = 1 1 1 = = = = = = = 1 0 = 1 = = 0 = 0 = 0 = 1 0 0 1 1 1 1 = 0 1 1 = = 0 = 1 1 = 1 0 = = = = 0 = 0 1 0 = 1 = 1 = 0 0 = 1 = 1 = = = = 0 = = = 0 = 1 1 = = = 1 = = = = 0 1 = = = 0 = = 1 = 0 0 1 = = 0 0 0 = 0 1 = = 1 1 = 1 1 1 0 0 = 0 1 = = 1 = = 0 = = 1 = = 1 = 0 1 = = = = 1 0 0 1 1 = 0 0 = = 0 0 = = 1 = = = = = 1 = 0 0 = 1 = 1 1 = = 0 = 1 = 0 1 = = = = 0 = 1 = 1 1 = 1 = 0 = 1 1 1 = 1 1 1 = = 1 = = 1 = 1 = 1 = = 0 = 1 = = 1 = = 1 = 1 1 = = = 1 = 1 0 = 0 = 0 = = = 1 1 = = = 1 = 1 = 1 = 1 1 0 0 1 = = 0 1 = = = 1 1 = = 1 0 0 = = = = = 0 0 1 0 1 = 1 = 1 1 = = 0 0 = = 1 0 1 = = = = = 0 = = 1 = = 0 1 1 = = 1 = 0 1 0 1 = = = = = = 0 = = = = 1 = 1 = = 1 1 1 = = = 1 = = 1 = 1 0 = 0 1 1 = 1 = = = 0 1 = 1 = = = 1 1 1 0 = 1 1 = = 1 = = 0 = = = = = 1 1 0 0
–   Houdini 63641+7
−6
(−132)206.5 − 93.5
(+155−42=103)
68.8%
206.5 / 300
100.0%
−4
1 = = 0 1 = = 1 0 0 = 1 1 1 1 = 1 = 1 = 1 = 1 = 1 1 = = 0 = 1 1 0 0 = = = = = 1 = 1 1 1 = 1 1 1 1 = = 1 0 = 1 0 0 0 1 1 1 = = = 1 0 1 1 = 0 = 1 1 1 0 = 1 1 = = 1 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 0 1 1 = 1 = = 1 = = 1 = = = 1 0 = = 1 1 1 1 1 = 1 1 0 = 1 0 1 1 0 = 0 1 1 1 1 = = = 1 = = 1 1 = 1 1 = = = 1 1 0 1 1 = 1 1 0 = 1 0 0 = = 1 = 1 0 1 1 1 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 = = 0 0 0 = = 0 = 1 1 1 = 1 1 1 = 0 0 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 0 1 0 0 0 1 1 1 1 1 1 = 1
–   Komodo 13.33613+9
−9
(−160)224.5 − 75.5
(+173−24=103)
74.8%
224.5 / 300
100.0%
+8
= = 0 0 1 = 1 = 1 = = 1 0 = = 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 0 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 0 1 1 = 0 = = 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 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 1 = 1 1 1 = 1 1 1 = = 1 1 = 1 = 1 1 = = = 1 0 1 = 0 1 = 1 = 1 1 = 0 1 = = 0 1 0 1 1 1 = 1 1 1 1 1 = 1 1 = 0 = = = = = 1 1 = 1 = 1 = 1 0 1 = 1 0 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
–   Ethereal 12.753592+11
−11
(−181)146.5 − 53.5
(+103−10=87)
73.3%
146.5 / 200
100.0%
−33
= 1 = = 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 1 = 1 = 0 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 = 0 = 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 0 1 = 1 = = 0 1
–   Ethereal 12.503568+10
−10
(−205)231.5 − 68.5
(+185−22=93)
77.2%
231.5 / 300
100.0%
−15
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 0 = 1 1 = 1 1 1 1 1 1 0 1 1 1 1 = 1 0 = 1 1 0 = 1 1 0 1 1 1 = 1 1 1 = 1 0 1 1 1 = 1 = = 0 1 = 1 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 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 = = 0 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 = 0 = = 0 = 1 1 1 = 1 0 1 1 1 1 1 1 1 = 1 1 = = 1 0 0 1 = 1 1 = 0 1 0 0 0
–   SlowChess Blitz 2.43542+10
−10
(−231)192 − 58
(+157−23=70)
76.8%
192.0 / 250
100.0%
−39
1 1 0 = = = 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 = 0 1 1 1 1 1 1 1 1 1 1 = = = 1 = 1 = = 1 1 0 1 1 1 1 = 1 0 = 1 0 0 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 1 1 0 = 1 1 1 1 0 1 1 0 1 1 = 1 1 1 1 1 0 = = 1 1 1 = 1 = 1 1 1 1 1 = 0 1 = = = 1 = = = 1 1 = 1 = 1 1 0 0 1 1 1 = 1 = 1 0 = 1 1 1 1 1 1 1 1 0 = 0 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 0 1 = 1 = 1 = 1 1 1
–   Ethereal 12.003520+10
−10
(−253)240.5 − 59.5
(+199−18=83)
80.2%
240.5 / 300
100.0%
−33
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 = = = 0 1 0 0 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 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 0 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 0 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 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 0 1 = = 1 = 1 1 = 1 1 1 1 1 1 1 = 1 1 1 1 = = 0 0 1 = 1
–   SlowChess Blitz 2.23494+11
−11
(−279)257 − 43
(+226−12=62)
85.7%
257.0 / 300
100.0%
+3
= 1 1 = 1 1 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1 1 1 = 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 1 1 1 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 0 1 1 1 1 1 1 1 1 1 = 1 1 1 0 1 0 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 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 1 0 1 = 1 1 1 0 1 1 1 1 = 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

Testing history

Rating changes by day

Participation in the pure lists

Pure listRankRatingNumber of games
Stockfish 12
played with current
participants of this list
Represented by
1-2-CPU    1350Stockfish 2021-01-11
All    1350Stockfish 2021-01-11
Free    450Stockfish 2021-01-11
Free 1-2-CPU    450Stockfish 2021-01-11
Free single-CPU    450Stockfish 2021-01-11
Open source    200Stockfish 2021-01-11
Open source 1-2-CPU    200Stockfish 2021-01-11
Open source single-CPU    200Stockfish 2021-01-11
Single-CPU    1350Stockfish 2021-01-11

Created in 2005-2008 by CCRL team
Last games added on March 5, 2021