CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Stockfish 2021-01-11 64-bit (3574+12
−12		)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 152 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fat Fritz 2 64-bit3562+7
−7		(−12)27 − 25
(+4−2=46)
51.9%
27.0 / 52
96.9%
0
–   Dragon by Komodo 64-bit3533+10
−10		(−41)29.5 − 24.5
(+6−1=47)
54.6%
29.5 / 54
100.0%
−13
–   Dragon by Komodo 2 64-bit3531+12
−12		(−43)31.5 − 20.5
(+11−0=41)
60.6%
31.5 / 52
100.0%
+20
–   Ethereal 13.25 64-bit3457+11
−11		(−117)35.5 − 16.5
(+19−0=33)
68.3%
35.5 / 52
100.0%
+1
–   Nemorino 6.00 64-bit 4CPU3456+10
−10		(−118)19.5 − 10.5
(+9−0=21)
65.0%
19.5 / 30
100.0%
−25
–   Houdini 6 64-bit 4CPU3456+7
−7		(−118)21 − 9
(+13−1=16)
70.0%
21.0 / 30
100.0%
+16
–   SlowChess Blitz 2.5 64-bit 4CPU3453+15
−15		(−121)20.5 − 9.5
(+12−1=17)
68.3%
20.5 / 30
100.0%
0
–   Ethereal 12.75 64-bit 4CPU3453+13
−13		(−121)20 − 10
(+10−0=20)
66.7%
20.0 / 30
100.0%
−16
–   SlowChess Blitz 2.7 64-bit3449+13
−13		(−125)35.5 − 16.5
(+19−0=33)
68.3%
35.5 / 52
100.0%
−8
–   SlowChess Blitz 2.6 64-bit3439+13
−13		(−135)34 − 18
(+16−0=36)
65.4%
34.0 / 52
100.0%
−39
–   RubiChess 2.2 64-bit3422+10
−10		(−152)40 − 13
(+27−0=26)
75.5%
40.0 / 53
100.0%
+21
–   Ethereal 13.00 64-bit3419+14
−14		(−155)39 − 13
(+26−0=26)
75.0%
39.0 / 52
100.0%
+13
–   Revenge 1.0 64-bit3410+10
−10		(−164)34.5 − 16.5
(+19−1=31)
67.6%
34.5 / 51
100.0%
−49
–   Koivisto 6.0 64-bit3409+11
−11		(−165)37 − 15
(+22−0=30)
71.2%
37.0 / 52
100.0%
−26
–   Nemorino 6.00 64-bit3407+7
−7		(−167)37.5 − 12.5
(+25−0=25)
75.0%
37.5 / 50
100.0%
+2
–   Igel 3.0.5 64-bit3396+8
−8		(−178)38 − 14
(+24−0=28)
73.1%
38.0 / 52
100.0%
−25
–   RubiChess 2.1 64-bit3393+13
−13		(−181)37.5 − 14.5
(+23−0=29)
72.1%
37.5 / 52
100.0%
−35
–   Houdini 6 64-bit3392+5
−5		(−182)42.5 − 7.5
(+35−0=15)
85.0%
42.5 / 50
100.0%
+80
–   Fire 8 64-bit3389+8
−8		(−185)39 − 13
(+26−0=26)
75.0%
39.0 / 52
100.0%
−17
–   SlowChess Blitz 2.5 64-bit3389+12
−12		(−185)41 − 9
(+32−0=18)
82.0%
41.0 / 50
100.0%
+44
–   Pedone 3.1 64-bit3384+9
−9		(−190)38.5 − 13.5
(+25−0=27)
74.0%
38.5 / 52
100.0%
−29
–   Ethereal 12.75 64-bit3378+9
−9		(−196)37 − 11
(+26−0=22)
77.1%
37.0 / 48
100.0%
−10
–   Igel 3.0.0 64-bit3373+14
−14		(−201)38 − 14
(+24−0=28)
73.1%
38.0 / 52
100.0%
−48
–   Nemorino 6.05 64-bit3363+9
−9		(−211)39.5 − 12.5
(+28−1=23)
76.0%
39.5 / 52
100.0%
−29
–   SlowChess Blitz 2.4 64-bit3357+13
−13		(−217)42.5 − 7.5
(+35−0=15)
85.0%
42.5 / 50
100.0%
+45
–   RubiChess 2.0 64-bit3334+12
−12		(−240)41.5 − 10.5
(+31−0=21)
79.8%
41.5 / 52
100.0%
−29
–   Igel 2.9.0 64-bit3325+11
−11		(−249)43 − 7
(+36−0=14)
86.0%
43.0 / 50
100.0%
+23
–   Ethereal 11.75 64-bit3316+13
−13		(−258)47 − 5
(+42−0=10)
90.4%
47.0 / 52
100.0%
+74
–   Booot 6.5 64-bit3313+9
−9		(−261)42.5 − 7.5
(+35−0=15)
85.0%
42.5 / 50
100.0%
+1
–   Fire 7.1 64-bit3311+7
−7		(−263)45.5 − 6.5
(+39−0=13)
87.5%
45.5 / 52
100.0%
+29
–   Xiphos 0.6 64-bit3303+7
−7		(−271)45 − 5
(+40−0=10)
90.0%
45.0 / 50
100.0%
+55
–   rofChade 2.3 64-bit3292+8
−8		(−282)48 − 4
(+44−0=8)
92.3%
48.0 / 52
100.0%
+83
–   Booot 6.4 64-bit3286+8
−8		(−288)46.5 − 5.5
(+41−0=11)
89.4%
46.5 / 52
100.0%
+30
–   Laser 1.7 64-bit3256+6
−6		(−318)47.5 − 4.5
(+43−0=9)
91.3%
47.5 / 52
100.0%
+30
–   Schooner 2.2 64-bit3250+7
−7		(−324)46 − 6
(+40−0=12)
88.5%
46.0 / 52
100.0%
−18
1716 games: 907 wins, 7 losses, 802 draws (46.7%), score: 76.2%

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Created in 2005-2013 by CCRL team
Last games added on November 16, 2024