CCRL 40/15
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 1'183'411 games
played by 2'723 programs

White wins: 407'663 (34.4%)
Black wins: 301'004 (25.4%)
Draws: 474'744 (40.1%)
White score: 54.5%

Engine Details

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Stockfish 1.5.1 32-bit (2864+15
−15
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 114 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Alfil 15.7 64-bit3058+13
−13
(+194)1 − 5
(+0−4=2)
16.7%
1.0 / 6
0.0%
−38
–   SmarThink 1.96 64-bit3007+20
−20
(+143)5 − 7
(+2−4=6)
41.7%
5.0 / 12
0.0%
+90
–   Defenchess 1.1f 64-bit2997+12
−12
(+133)2 − 4
(+0−2=4)
33.3%
2.0 / 6
0.0%
+43
–   Rybka 3 32-bit2996+12
−12
(+132)10 − 24
(+3−17=14)
29.4%
10.0 / 34
0.0%
0
–   Gull R375 64-bit2987+19
−19
(+123)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Naum 4.2 64-bit2976+9
−9
(+112)7.5 − 15.5
(+3−11=9)
32.6%
7.5 / 23
0.0%
−1
–   Vajolet2 2.4 64-bit2969+21
−21
(+105)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+73
–   Vajolet2 2.2 64-bit2961+19
−19
(+97)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.0%
−57
–   SlowChess Blitz Classic 1.5 64-bit2955+22
−22
(+91)6.5 − 13.5
(+2−9=9)
32.5%
6.5 / 20
0.0%
−13
–   Hakkapeliitta 3.0 64-bit2954+12
−12
(+90)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+148
–   Wasp 2.6 64-bit2947+13
−13
(+83)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+83
–   Arasan 20.0 64-bit2946+26
−25
(+82)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−45
–   Deep Shredder 12 64-bit2939+9
−10
(+75)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+26
–   SmarThink 1.80 64-bit2939+25
−25
(+75)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−99
–   Rodent III 0.210 64-bit2937+19
−19
(+73)4 − 4
(+2−2=4)
50.0%
4.0 / 8
0.0%
+67
–   Wasp 2.00 64-bit2931+26
−26
(+67)6 − 10
(+3−7=6)
37.5%
6.0 / 16
0.0%
−18
–   Naum 4 32-bit2930+14
−14
(+66)12.5 − 21.5
(+3−12=19)
36.8%
12.5 / 34
0.0%
−9
–   Hannibal 1.3 32-bit2930+17
−17
(+66)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+125
–   Shredder 12 32-bit2929+7
−8
(+65)34 − 62
(+15−43=38)
35.4%
34.0 / 96
0.0%
−29
–   Wasp 2.01 64-bit2926+19
−19
(+62)6 − 10
(+2−6=8)
37.5%
6.0 / 16
0.0%
−12
–   Texel 1.03 64-bit2924+24
−25
(+60)2.5 − 7.5
(+2−7=1)
25.0%
2.5 / 10
0.0%
−143
–   Cheng 4.39 64-bit2921+11
−11
(+57)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+25
–   Gull 1.2 64-bit2919+15
−15
(+55)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−37
–   SmarThink 1.70 64-bit2918+16
−16
(+54)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
0.0%
+155
–   Francesca MAD 0.29 64-bit2916+24
−24
(+52)3 − 9
(+1−7=4)
25.0%
3.0 / 12
0.0%
−118
–   Spike 1.4 Leiden2915+8
−8
(+51)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
0.0%
+133
–   Amoeba 2.6 64-bit2912+20
−20
(+48)2 − 6
(+2−6=0)
25.0%
2.0 / 8
0.0%
−183
–   Rybka 2.3.2a 32-bit2912+9
−9
(+48)12.5 − 17.5
(+7−12=11)
41.7%
12.5 / 30
0.0%
−6
–   Wasp 1.25 64-bit2909+22
−22
(+45)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
−14
–   Arasan 19.0.1 64-bit2907+26
−26
(+43)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.2%
+43
–   Hannibal 1.2 32-bit2906+14
−14
(+42)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−108
–   Protector 1.4.0 64-bit2901+14
−14
(+37)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
0.0%
+74
–   chess22k 1.7 64-bit2899+22
−22
(+35)6.5 − 9.5
(+4−7=5)
40.6%
6.5 / 16
0.4%
−31
–   Atlas 3.91 64-bit2898+13
−13
(+34)6 − 6
(+3−3=6)
50.0%
6.0 / 12
0.0%
+30
–   Rybka 1.2 64-bit2898+18
−18
(+34)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.2%
−48
–   DiscoCheck 5.2.1 64-bit2895+15
−15
(+31)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.2%
−36
–   Fizbo 1.31 64-bit2894+21
−21
(+30)5 − 5
(+2−2=6)
50.0%
5.0 / 10
1.1%
+30
–   Booot 5.2.0 64-bit2894+15
−15
(+30)5.5 − 8.5
(+2−5=7)
39.3%
5.5 / 14
0.2%
−26
–   Spark 1.0 64-bit2893+12
−12
(+29)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.1%
+96
–   Fritz 122886+11
−11
(+22)12.5 − 17.5
(+3−8=19)
41.7%
12.5 / 30
0.6%
−24
–   Scorpio 2.8 64-bit2885+14
−14
(+21)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
1.7%
−10
–   Quazar 0.4 32-bit2879+12
−12
(+15)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
4.6%
−269
–   Rybka 1.2 32-bit2869+17
−17
(+5)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
32.9%
+87
–   Thinker 5.4d Inert 64-bit2865+15
−16
(+1)2 − 2
(+0−0=4)
50.0%
2.0 / 4
44.3%
+1
–   Gaviota 1.0 64-bit2860+11
−11
(−4)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
66.5%
+23
–   Dirty 30Apr2017 64-bit2857+15
−15
(−7)8.5 − 7.5
(+4−3=9)
53.1%
8.5 / 16
74.4%
+9
–   Naum 3 32-bit2851+17
−17
(−13)5 − 3
(+3−1=4)
62.5%
5.0 / 8
86.2%
+60
–   Toga II 3.02850+16
−16
(−14)3 − 1
(+2−0=2)
75.0%
3.0 / 4
88.7%
+136
–   Minic 1.39 64-bit2849+28
−28
(−15)6 − 6
(+4−4=4)
50.0%
6.0 / 12
81.1%
−18
–   Thinker 5.4c Inert 32-bit2849+13
−13
(−15)20.5 − 21.5
(+9−10=23)
48.8%
20.5 / 42
93.3%
−17
–   SmarThink 1.60 64-bit2845+32
−32
(−19)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
84.7%
−45
–   Fruit Reloaded 3.2.1 64-bit2837+13
−13
(−27)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
99.7%
+8
–   MinkoChess 1.3 32-bit2829+31
−31
(−35)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
97.5%
−3
–   Cyclone xTreme Fury2827+19
−19
(−37)10.5 − 13.5
(+4−7=13)
43.8%
10.5 / 24
99.9%
−75
–   Grapefruit 1.0 32-bit2826+9
−9
(−38)18 − 20
(+12−14=12)
47.4%
18.0 / 38
100.0%
−56
–   Deep Sjeng WC2008 32-bit2825+12
−12
(−39)17.5 − 16.5
(+9−8=17)
51.5%
17.5 / 34
100.0%
−29
–   Murka 3 64-bit2824+12
−12
(−40)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−122
–   NirvanaChess 1.6 64-bit2821+27
−28
(−43)4 − 6
(+2−4=4)
40.0%
4.0 / 10
99.6%
−107
–   Cyclone xTreme Rage2820+25
−25
(−44)25 − 11
(+16−2=18)
69.4%
25.0 / 36
99.9%
+71
–   Hiarcs 12.12817+11
−11
(−47)21 − 13
(+11−3=20)
61.8%
21.0 / 34
100.0%
+20
–   Hiarcs 12 Sharpen PV On2813+14
−14
(−51)17 − 13
(+8−4=18)
56.7%
17.0 / 30
100.0%
−13
–   Rodent II 0.8.7 64-bit2810+27
−27
(−54)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+98
–   Zappa Mexico II 32-bit2809+11
−12
(−55)18 − 16
(+9−7=18)
52.9%
18.0 / 34
100.0%
−36
–   Protector 1.3.1b 32-bit2802+23
−23
(−62)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−2
–   Spark 0.3 32-bit2798+16
−16
(−66)23 − 13
(+16−6=14)
63.9%
23.0 / 36
100.0%
+22
–   Onno 1.1.1 32-bit2797+18
−18
(−67)22 − 12
(+15−5=14)
64.7%
22.0 / 34
100.0%
+28
–   Doch 09.980 32-bit2796+19
−19
(−68)23.5 − 10.5
(+18−5=11)
69.1%
23.5 / 34
100.0%
+61
–   Nemo 1.0.1 32-bit2795+29
−29
(−69)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+88
–   Onno 1.0 32-bit2793+18
−18
(−71)22 − 8
(+16−2=12)
73.3%
22.0 / 30
100.0%
+80
–   Bright 0.4a2776+10
−10
(−88)23.5 − 13.5
(+15−5=17)
63.5%
23.5 / 37
100.0%
−6
–   Loop 13.6 (Loop 2007) 32-bit2774+10
−10
(−90)24.5 − 9.5
(+17−2=15)
72.1%
24.5 / 34
100.0%
+48
–   SmarThink 1.20 32-bit2747+16
−16
(−117)15 − 5
(+12−2=6)
75.0%
15.0 / 20
100.0%
+54
–   Spike 1.2 Turin2745+7
−7
(−119)23.5 − 8.5
(+17−2=13)
73.4%
23.5 / 32
100.0%
+32
–   Twisted Logic 20090922 32-bit2730+19
−19
(−134)32 − 8
(+25−1=14)
80.0%
32.0 / 40
100.0%
+68
–   Twisted Logic 200806202723+16
−16
(−141)22 − 10
(+14−2=16)
68.8%
22.0 / 32
100.0%
−29
–   Naum 2.0 32-bit2697+15
−15
(−167)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−49
–   Frenzee Feb08 32-bit2695+13
−13
(−169)28 − 12
(+22−6=12)
70.0%
28.0 / 40
100.0%
−35
–   Booot 4.15.02693+14
−14
(−171)31.5 − 8.5
(+24−1=15)
78.8%
31.5 / 40
100.0%
+22
–   Delfi 5.42690+11
−11
(−174)30 − 10
(+24−4=12)
75.0%
30.0 / 40
100.0%
0
–   Crafty 23.1 32-bit2687+18
−18
(−177)24 − 6
(+19−1=10)
80.0%
24.0 / 30
100.0%
+31
–   Movei 00.8.438 (10 10 10)2667+11
−11
(−197)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−31
–   E.T. Chess 13.01.082650+13
−13
(−214)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+76
–   Cyrano 0.6b17 32-bit2648+14
−14
(−216)7 − 1
(+6−0=2)
87.5%
7.0 / 8
100.0%
+71
–   Hamsters 0.7.12618+13
−14
(−246)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−246
–   Scorpio 2.2 32-bit2570+28
−28
(−294)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−226

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Created in 2005-2013 by CCRL team
Last games added on October 17, 2020