CCRL 40/15
Downloads and Statistics
April 10, 2021
Testing summary:
Total: 1'235'065 games
played by 2'819 programs

White wins: 423'539 (34.3%)
Black wins: 311'222 (25.2%)
Draws: 500'304 (40.5%)
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 124 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fat Fritz 2 (in SF) 64-bit 4CPU3526+19
−19
(+48)16.5 − 21.5
(+2−7=29)
43.4%
16.5 / 38
0.0%
+14
= 0 = = = = = = = = 0 = = = 0 1 = = 0 = = = = = = = 0 = = = = = = = = 0 0 1
–   SugaR AI 1.00 64-bit3493+18
−17
(+15)28 − 28
(+1−1=54)
50.0%
28.0 / 56
8.2%
+15
= = = = = = = = = = = = = = = = = 1 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = 0 = =
–   ShashChess 15.0 64-bit3485+14
−14
(+7)32 − 32
(+3−3=58)
50.0%
32.0 / 64
21.6%
+7
= = = = = = = = = = = = = = = = = = = 1 = = = = = = = 1 = = = = = = = = = 1 = = = = 0 = = = 0 = 0 = = = = = = = = = = = = = = =
–   Dragon by Komodo 64-bit3472+15
−15
(−6)28 − 24
(+5−1=46)
53.8%
28.0 / 52
69.8%
+12
1 = = = = 1 0 = = = = = = = = 1 = = = = = = = = = = = = = = = = 1 = = = = = = = = = = 1 = = = = = = = =
–   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
= = = = 1 1 = = 1 = = = 1 = = = = = = = = = = = = = = = = 1 = = = = = = = = 1 1 = = 1 = = = = = = 1 = 1 0 = = = = = = =
–   ShashChess 11.0 64-bit3403+16
−16
(−75)31.5 − 20.5
(+12−1=39)
60.6%
31.5 / 52
100.0%
−20
= = = = 1 = = 1 = = = = = = = = 1 = 1 = = = 1 = = = = 1 1 = = = 1 = 1 = = 1 1 = = = = 0 = = = = = = = 1
–   Komodo 13.3 64-bit3344+14
−14
(−134)38.5 − 13.5
(+25−0=27)
74.0%
38.5 / 52
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 = =
–   Nemorino 6.00 64-bit3341+13
−13
(−137)44 − 20
(+24−0=40)
68.8%
44.0 / 64
100.0%
−31
= = = = = = = = = = 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 64-bit3340+13
−13
(−138)45 − 17
(+28−0=34)
72.6%
45.0 / 62
100.0%
−5
1 = = = = = 1 = 1 1 = 1 = = 1 1 1 1 1 = = = = = 1 1 = 1 1 = 1 = = = = = = 1 1 = 1 = = = 1 = = 1 = = 1 = 1 = 1 = 1 1 1 1 1 =
–   Houdini 6 64-bit3335+8
−8
(−143)41 − 11
(+30−0=22)
78.8%
41.0 / 52
100.0%
+43
= = 1 1 1 1 1 1 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 2.5 64-bit3331+17
−17
(−147)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+10
= 1 = 1
–   Ethereal 12.75 64-bit3320+13
−13
(−158)45 − 19
(+26−0=38)
70.3%
45.0 / 64
100.0%
−41
= = = = = = 1 = 1 = = 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 2.4 64-bit3302+16
−16
(−176)44 − 12
(+32−0=24)
78.6%
44.0 / 56
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
–   Ethereal 12.50 64-bit3301+17
−17
(−177)48 − 14
(+34−0=28)
77.4%
48.0 / 62
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
–   Komodo 14 MCTS 64-bit3297+19
−19
(−181)46 − 16
(+30−0=32)
74.2%
46.0 / 62
100.0%
−35
= 1 1 = 1 = = = 1 = 1 = = = 1 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 2.3 64-bit3280+16
−16
(−198)51.5 − 14.5
(+38−1=27)
78.0%
51.5 / 66
100.0%
−14
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 =
–   RubiChess 2.0 NN-375bd 64-bit3277+16
−16
(−201)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−50
1 = = 1
–   Komodo 13.2.5 MCTS 64-bit3276+16
−16
(−202)42 − 9
(+33−0=18)
82.4%
42.0 / 51
100.0%
+18
1 1 1 1 = 1 = 1 1 = = = 1 1 = 1 = 1 1 1 = = 1 1 1 1 = 1 1 = 1 1 1 = 1 1 = 1 1 1 1 = = 1 1 1 = 1 = = 1
–   Igel 2.9.0 64-bit3272+15
−15
(−206)45.5 − 10.5
(+35−0=21)
81.3%
45.5 / 56
100.0%
+5
= 1 = = = 1 = 1 = 1 = 1 = 1 = 1 = 1 1 1 = 1 = 1 1 = 1 1 1 1 = 1 1 = 1 1 1 1 1 = = 1 1 1 = = 1 = 1 1 = 1 1 1 1 1
–   Igel 2.8.0 64-bit3265+15
−15
(−213)51.5 − 8.5
(+43−0=17)
85.8%
51.5 / 60
100.0%
+52
= 1 1 1 = 1 1 1 = 1 1 1 = 1 1 = 1 1 1 1 1 1 1 = 1 = = 1 1 = 1 1 = = = 1 1 1 1 1 1 1 1 = 1 1 = 1 1 1 1 1 = 1 1 1 = 1 = 1
–   RubiChess 1.9 64-bit3263+15
−14
(−215)47.5 − 8.5
(+40−1=15)
84.8%
47.5 / 56
100.0%
+46
= 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
–   Komodo 10 64-bit3259+10
−10
(−219)44 − 8
(+36−0=16)
84.6%
44.0 / 52
100.0%
+29
1 1 = 1 1 1 1 1 1 = 1 = 1 1 1 1 = = 1 1 = = 1 1 1 1 1 1 1 1 = = 1 = 1 1 = 1 1 1 1 1 1 = 1 1 1 = = = 1 =
–   Fire 7.1 64-bit3258+7
−8
(−220)43.5 − 8.5
(+35−0=17)
83.7%
43.5 / 52
100.0%
+17
= 1 1 1 1 = 1 = 1 = 1 = 1 1 1 1 = = 1 1 1 = 1 = 1 = 1 1 = = 1 = 1 = = 1 = 1 1 = 1 1 1 1 1 1 1 1 1 1 1 1
–   Xiphos 0.6 64-bit3253+9
−9
(−225)55 − 9
(+46−0=18)
85.9%
55.0 / 64
100.0%
+41
1 = = = 1 1 1 1 1 1 1 1 = = = 1 1 1 = 1 1 = 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 = = 1 1 = 1 1 1 1 1 1 = 1 = 1 = = 1
–   Pedone 3.0 64-bit3244+15
−15
(−234)45.5 − 10.5
(+35−0=21)
81.3%
45.5 / 56
100.0%
−23
= = = 1 1 1 = 1 1 1 = 1 = 1 = 1 = = 1 = = = 1 = = 1 = 1 1 1 = = 1 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1 1 1 1 = = 1 1 1
–   Igel 2.7.0 64-bit3240+16
−16
(−238)44.5 − 7.5
(+37−0=15)
85.6%
44.5 / 52
100.0%
+23
= = = 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 1 1 = 1 = 1 1 1 1 1 = 1 1 1 1 1 1 = = 1 = 1 1 = 1 1 1 1 = = 1 1 1 =
–   RofChade 2.3 64-bit3240+11
−11
(−238)49 − 11
(+39−1=20)
81.7%
49.0 / 60
100.0%
−17
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
–   Booot 6.4 64-bit3238+11
−11
(−240)51 − 13
(+38−0=26)
79.7%
51.0 / 64
100.0%
−44
1 = = 1 1 1 1 = 1 1 1 = 1 = = 1 1 1 = 1 = 1 1 1 1 = = 1 = = 1 1 1 1 = 1 = 1 = 1 = = 1 1 = 1 = 1 1 = = 1 = 1 1 1 1 1 1 = 1 = = =
–   Laser 1.7 64-bit3206+8
−9
(−272)50 − 6
(+44−0=12)
89.3%
50.0 / 56
100.0%
+45
1 = 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 = 1 1 = = 1 = 1 1 1 1 1 = 1 1 = 1 1 = 1 1 1 = 1 1 1 1 1 = 1 = 1 1 1 1 1
–   Schooner 2.2 64-bit3202+10
−10
(−276)49 − 10
(+39−0=20)
83.1%
49.0 / 59
100.0%
−46
1 1 = 1 1 1 = = 1 = 1 1 1 1 = = 1 1 = 1 1 1 1 1 1 1 1 = 1 1 = 1 = 1 1 = 1 = 1 = 1 = 1 1 1 = 1 = = 1 1 = 1 1 1 = 1 = 1
–   Defenchess 2.2 64-bit3202+10
−9
(−276)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−118
1 = 1 =

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Created in 2005-2013 by CCRL team
Last games added on April 10, 2021