CCRL 40/15
Downloads and Statistics
March 2, 2021
Testing summary:
Total: 1'220'986 games
played by 2'799 programs

White wins: 419'408 (34.3%)
Black wins: 308'533 (25.3%)
Draws: 493'045 (40.4%)
White score: 54.5%

Engine Details

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Stockfish 12 64-bit (3478+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 122 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fat Fritz 2 (in SF) 64-bit 4CPU3528+21
−21
(+50)16.5 − 21.5
(+2−7=29)
43.4%
16.5 / 38
0.0%
+16
–   SugaR AI 1.00 64-bit3490+19
−19
(+12)28 − 28
(+1−1=54)
50.0%
28.0 / 56
15.9%
+12
–   ShashChess 15.0 64-bit3484+16
−15
(+6)32 − 32
(+3−3=58)
50.0%
32.0 / 64
27.9%
+6
–   Dragon by Komodo 64-bit3476+16
−16
(−2)28 − 24
(+5−1=46)
53.8%
28.0 / 52
55.3%
+16
–   SugaR XPro NN 1.0 64-bit3416+14
−14
(−62)34.5 − 25.5
(+10−1=49)
57.5%
34.5 / 60
100.0%
−25
–   ShashChess 11.0 64-bit3404+16
−16
(−74)31.5 − 20.5
(+12−1=39)
60.6%
31.5 / 52
100.0%
−19
–   Komodo 13.3 64-bit3344+14
−13
(−134)38.5 − 13.5
(+25−0=27)
74.0%
38.5 / 52
100.0%
+8
–   Komodo 14 64-bit3340+13
−13
(−138)45 − 17
(+28−0=34)
72.6%
45.0 / 62
100.0%
−5
–   Nemorino 6.00 64-bit3339+14
−14
(−139)44 − 20
(+24−0=40)
68.8%
44.0 / 64
100.0%
−33
–   Houdini 6 64-bit3336+8
−8
(−142)41 − 11
(+30−0=22)
78.8%
41.0 / 52
100.0%
+44
–   SlowChess Blitz 2.5 64-bit3330+31
−31
(−148)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+8
–   Ethereal 12.75 64-bit3319+14
−14
(−159)45 − 19
(+26−0=38)
70.3%
45.0 / 64
100.0%
−42
–   SlowChess Blitz 2.4 64-bit3303+17
−17
(−175)44 − 12
(+32−0=24)
78.6%
44.0 / 56
100.0%
+9
–   Ethereal 12.50 64-bit3301+17
−17
(−177)48 − 14
(+34−0=28)
77.4%
48.0 / 62
100.0%
−3
–   Komodo 14 MCTS 64-bit3297+19
−19
(−181)46 − 16
(+30−0=32)
74.2%
46.0 / 62
100.0%
−35
–   RubiChess 2.0 NN-375bd 64-bit3282+24
−24
(−196)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−45
–   SlowChess Blitz 2.3 64-bit3280+15
−16
(−198)51.5 − 14.5
(+38−1=27)
78.0%
51.5 / 66
100.0%
−14
–   Komodo 13.2.5 MCTS 64-bit3276+16
−16
(−202)42 − 9
(+33−0=18)
82.4%
42.0 / 51
100.0%
+18
–   Igel 2.9.0 64-bit3275+18
−18
(−203)45.5 − 10.5
(+35−0=21)
81.3%
45.5 / 56
100.0%
+7
–   Igel 2.8.0 64-bit3265+15
−15
(−213)51.5 − 8.5
(+43−0=17)
85.8%
51.5 / 60
100.0%
+52
–   RubiChess 1.9 64-bit3262+15
−15
(−216)47.5 − 8.5
(+40−1=15)
84.8%
47.5 / 56
100.0%
+45
–   Komodo 10 64-bit3260+10
−11
(−218)44 − 8
(+36−0=16)
84.6%
44.0 / 52
100.0%
+30
–   Fire 7.1 64-bit3258+7
−8
(−220)43.5 − 8.5
(+35−0=17)
83.7%
43.5 / 52
100.0%
+17
–   Xiphos 0.6 64-bit3254+10
−10
(−224)55 − 9
(+46−0=18)
85.9%
55.0 / 64
100.0%
+42
–   Pedone 3.0 64-bit3246+17
−17
(−232)45.5 − 10.5
(+35−0=21)
81.3%
45.5 / 56
100.0%
−21
–   Igel 2.7.0 64-bit3240+16
−16
(−238)44.5 − 7.5
(+37−0=15)
85.6%
44.5 / 52
100.0%
+23
–   RofChade 2.3 64-bit3240+11
−11
(−238)49 − 11
(+39−1=20)
81.7%
49.0 / 60
100.0%
−17
–   Booot 6.4 64-bit3238+11
−11
(−240)51 − 13
(+38−0=26)
79.7%
51.0 / 64
100.0%
−44
–   Laser 1.7 64-bit3207+8
−8
(−271)50 − 6
(+44−0=12)
89.3%
50.0 / 56
100.0%
+46
–   Defenchess 2.2 64-bit3203+10
−10
(−275)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−117
–   Schooner 2.2 64-bit3203+10
−10
(−275)49 − 10
(+39−0=20)
83.1%
49.0 / 59
100.0%
−45

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Created in 2005-2013 by CCRL team
Last games added on March 2, 2021