CCRL 40/15
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 1'244'261 games
played by 2'847 programs

White wins: 426'196 (34.3%)
Black wins: 313'011 (25.2%)
Draws: 505'054 (40.6%)
White score: 54.5%

Engine Details

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Stockfish 2019-12-10 64-bit (3441+16
−16
)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 123 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   SugaR XPro NN 1.0 64-bit3416+14
−14
(−25)28 − 24
(+8−4=40)
53.8%
28.0 / 52
99.2%
−5
–   ShashChess 11.0 64-bit3403+16
−16
(−38)26 − 26
(+3−3=46)
50.0%
26.0 / 52
100.0%
−36
–   Komodo 13.3 64-bit3344+13
−13
(−97)30.5 − 21.5
(+10−1=41)
58.7%
30.5 / 52
100.0%
−53
–   Houdini 6 64-bit3335+8
−8
(−106)35.5 − 16.5
(+21−2=29)
68.3%
35.5 / 52
100.0%
0
–   Komodo 13.1 64-bit3329+17
−17
(−112)38 − 14
(+25−1=26)
73.1%
38.0 / 52
100.0%
+26
–   Xiphos 0.6 64-bit 4CPU3328+13
−13
(−113)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
+16
–   Komodo 14 MCTS 64-bit3296+19
−19
(−145)42 − 10
(+32−0=20)
80.8%
42.0 / 52
100.0%
+60
–   Ethereal 12.25 64-bit3290+15
−15
(−151)36 − 16
(+20−0=32)
69.2%
36.0 / 52
100.0%
−42
–   Komodo 13.3 MCTS 64-bit3290+19
−19
(−151)37.5 − 14.5
(+24−1=27)
72.1%
37.5 / 52
100.0%
−19
–   Komodo 13.2.5 MCTS 64-bit3276+16
−16
(−165)49 − 11
(+39−1=20)
81.7%
49.0 / 60
100.0%
+55
–   Ethereal 12.00 64-bit3264+14
−14
(−177)41 − 11
(+30−0=22)
78.8%
41.0 / 52
100.0%
+9
–   SlowChess Blitz Classic 2.2 64-bit3262+16
−16
(−179)38.5 − 13.5
(+27−2=23)
74.0%
38.5 / 52
100.0%
−28
–   Ethereal 11.75 64-bit3260+15
−15
(−181)42.5 − 13.5
(+30−1=25)
75.9%
42.5 / 56
100.0%
−17
–   Komodo 10 64-bit3259+11
−10
(−182)42.5 − 9.5
(+33−0=19)
81.7%
42.5 / 52
100.0%
+34
–   Fire 7.1 64-bit3257+8
−8
(−184)44 − 12
(+32−0=24)
78.6%
44.0 / 56
100.0%
+1
–   Xiphos 0.6 64-bit3252+9
−9
(−189)43 − 13
(+30−0=26)
76.8%
43.0 / 56
100.0%
−21
–   RofChade 2.3 64-bit3240+11
−10
(−201)40.5 − 11.5
(+29−0=23)
77.9%
40.5 / 52
100.0%
−23
–   Booot 6.4 64-bit3238+11
−11
(−203)43.5 − 8.5
(+35−0=17)
83.7%
43.5 / 52
100.0%
+36
–   Laser 1.7 64-bit3206+9
−9
(−235)48.5 − 7.5
(+41−0=15)
86.6%
48.5 / 56
100.0%
+40
–   RofChade 2.202 64-bit3204+12
−12
(−237)49 − 7
(+42−0=14)
87.5%
49.0 / 56
100.0%
+50
–   SlowChess Blitz Classic 2.1 64-bit3203+18
−18
(−238)41 − 11
(+30−0=22)
78.8%
41.0 / 52
100.0%
−52
–   Defenchess 2.2 64-bit3202+10
−10
(−239)50 − 6
(+44−0=12)
89.3%
50.0 / 56
100.0%
+77
–   Schooner 2.2 64-bit3201+10
−10
(−240)46 − 10
(+36−0=20)
82.1%
46.0 / 56
100.0%
−19
–   Booot 6.3.1 64-bit3199+9
−9
(−242)48 − 8
(+41−1=14)
85.7%
48.0 / 56
100.0%
+28
–   Fizbo 2 64-bit3195+8
−8
(−246)44.5 − 7.5
(+37−0=15)
85.6%
44.5 / 52
100.0%
+14
–   RubiChess 1.7.3 64-bit3190+17
−17
(−251)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
−41
–   RubiChess 1.6.1 64-bit3168+23
−23
(−273)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
–   Arasan 22.0 64-bit3140+18
−18
(−301)13.5 − 2.5
(+11−0=5)
84.4%
13.5 / 16
100.0%
−57

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Created in 2005-2013 by CCRL team
Last games added on May 15, 2021