CCRL 40/15
Downloads and Statistics
June 27, 2020
Testing summary:
Total: 1'157'654 games
played by 2'680 programs

White wins: 399'695 (34.5%)
Black wins: 295'571 (25.5%)
Draws: 462'388 (39.9%)
White score: 54.5%

Engine Details

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Stockfish 1.6.3 32-bit (2933+17
−17
)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 109 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Sting SF 8.1 64-bit3038+28
−28
(+105)4 − 6
(+0−2=8)
40.0%
4.0 / 10
0.0%
+52
= = = = 0 = = = 0 =
–   Nemorino 3.0 64-bit2996+19
−19
(+63)8.5 − 7.5
(+3−2=11)
53.1%
8.5 / 16
0.0%
+78
0 1 0 = 1 1 = = = = = = = = = =
–   Rybka 3 32-bit2994+12
−12
(+61)13.5 − 18.5
(+4−9=19)
42.2%
13.5 / 32
0.0%
+15
= = = = = = = = 0 1 0 0 0 = = 1 = = 1 0 = 0 = = 0 1 0 = = = = 0
–   ChessBrainVB 3.502979+23
−23
(+46)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.1%
+78
= 0 0 0 1 = 1 1 1 =
–   Naum 4.2 64-bit2976+9
−9
(+43)9.5 − 14.5
(+4−9=11)
39.6%
9.5 / 24
0.0%
−19
0 1 = = = 0 = 0 1 0 = = 0 = 0 1 = = = 0 0 1 0 =
–   Amoeba 3.1 64-bit2966+23
−23
(+33)4 − 6
(+1−3=6)
40.0%
4.0 / 10
1.2%
−29
0 = 0 = = = 1 = 0 =
–   Arasan 20.1 64-bit2963+23
−23
(+30)8 − 8
(+6−6=4)
50.0%
8.0 / 16
1.8%
+30
0 1 0 0 = 1 = 1 1 = 1 1 0 0 0 =
–   Andscacs 0.72 64-bit2959+26
−26
(+26)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
4.8%
+57
= = 1 = 1 1 = 0 = 0
–   Naum 4.2 32-bit2958+10
−10
(+25)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
0.5%
−42
1 = 0 = 0 = 0 = = = = 1 0 = = = 0 0 0 0 = 0 0 = = = = = = 1
–   Fizbo 1.5 64-bit2957+21
−21
(+24)4 − 6
(+1−3=6)
40.0%
4.0 / 10
4.1%
−28
= = = = 1 0 = 0 = 0
–   Vajolet2 2.3 64-bit2956+20
−20
(+23)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
4.1%
−1
= 0 = 1 0 0 0 = = 1 1 =
–   Naum 4.1 32-bit2953+21
−21
(+20)12 − 18
(+2−8=20)
40.0%
12.0 / 30
6.8%
−33
0 = = 1 0 = 0 0 = = = 0 = = = = 0 0 = = = 1 = = 0 = = = = =
–   Pirarucu 2.7.4 64-bit2950+17
−18
(+17)9 − 11
(+5−7=8)
45.0%
9.0 / 20
8.3%
−16
0 1 0 1 0 = = 1 = = 0 = = = 0 = 0 1 0 1
–   Nemorino 2.00 64-bit2946+23
−23
(+13)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
19.0%
−67
0 = 0 = = = = 0 = =
–   Crafty 25.2 64-bit2931+11
−11
(−2)2 − 8
(+0−6=4)
20.0%
2.0 / 10
56.9%
−200
0 0 = = 0 0 0 = 0 =
–   Naum 4 32-bit2930+14
−14
(−3)19 − 15
(+8−4=22)
55.9%
19.0 / 34
62.2%
+28
= = = = = 1 = = 1 = 1 = = = 0 = = 1 1 = = = 1 1 0 = = = 1 = 0 = = 0
–   Shredder 12 32-bit2929+7
−8
(−4)34.5 − 27.5
(+16−9=37)
55.6%
34.5 / 62
68.2%
+27
1 = = 0 1 0 = 1 1 = 1 = = = = = = = = 0 = = = 1 = 0 = = 0 0 1 = = 1 = = 1 1 1 = 1 = = = = = = = 0 1 1 = 0 = = = = 1 = 1 = 0
–   Fizbo 1.4 64-bit2928+27
−27
(−5)5 − 5
(+3−3=4)
50.0%
5.0 / 10
61.7%
−5
0 = = 1 = 0 1 1 0 =
–   Godel 6.0 64-bit2923+19
−19
(−10)9 − 5
(+6−2=6)
64.3%
9.0 / 14
78.8%
+75
0 1 = 1 1 = = = 1 = 0 = 1 1
–   Demolito 2018-03-01 64-bit2910+17
−17
(−23)10 − 8
(+5−3=10)
55.6%
10.0 / 18
97.2%
+6
= = 1 0 = = 0 1 1 = 0 = 1 1 = = = =
–   Vajolet2 2.1 64-bit2895+24
−24
(−38)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
99.5%
+53
= = 1 1 1 = = 1 = 0
–   Fritz 122886+11
−11
(−47)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
+7
0 = = = = 0 = = = 1 = 1 = = = = 0 1 = = 1 = 1 1 = = 1 = 1 1
–   Bobcat 7.6 64-bit2877+22
−23
(−56)8 − 2
(+8−2=0)
80.0%
8.0 / 10
100.0%
+229
0 1 1 1 1 1 1 0 1 1
–   Komodo 1.0 32-bit2867+16
−16
(−66)20 − 14
(+10−4=20)
58.8%
20.0 / 34
100.0%
−15
1 1 0 1 = = = 1 1 1 0 = = 1 = = = = 0 = 1 = 1 0 = = = = = = = = 1 =
–   Thinker 5.4d Inert 32-bit2856+10
−10
(−77)26 − 16
(+16−6=20)
61.9%
26.0 / 42
100.0%
−4
1 1 1 = = 1 = 1 = = 0 1 1 = = 0 = = 1 = = = = 1 1 0 = = = 1 0 = 1 1 0 = 1 1 1 0 = =
–   Doch 1.3.4 32-bit2855+22
−22
(−78)22.5 − 13.5
(+13−4=19)
62.5%
22.5 / 36
100.0%
−4
= = 1 1 1 = 1 = 1 = 1 1 1 = = 0 = = = = 1 0 = 0 1 = 1 1 = 1 = 0 = = = =
–   Thinker 5.4c Inert 32-bit2849+13
−13
(−84)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
+45
1 1 = 1 1 = 1 0 1 1 1 = 1 1 = 0 = = 1 1 = = 0 = = 1 1 = 1 =
–   Deep Junior 11.1a 32-bit2831+17
−17
(−102)20.5 − 9.5
(+15−4=11)
68.3%
20.5 / 30
100.0%
+18
= 1 = = 1 = = 1 = 1 0 = 1 1 1 1 0 0 = 1 1 1 0 = = = 1 1 1 1
–   Cyclone xTreme Fury2827+19
−19
(−106)23 − 15
(+13−5=20)
60.5%
23.0 / 38
100.0%
−45
= 1 1 0 = = 1 = 1 = = 0 1 = = = = 1 = 0 = 1 1 1 = = = = = 1 1 = 0 1 = = 0 1
–   Grapefruit 1.0 32-bit2826+9
−9
(−107)24.5 − 13.5
(+15−4=19)
64.5%
24.5 / 38
100.0%
−21
= = 1 = 1 1 = 1 = 0 = 1 = 1 = 1 = = 1 1 1 = = = 0 0 = 1 0 = = = 1 = 1 1 1 =
–   Deep Sjeng WC2008 32-bit2825+12
−12
(−108)24.5 − 9.5
(+15−0=19)
72.1%
24.5 / 34
100.0%
+19
1 1 1 1 = = = 1 1 1 = 1 = = = = 1 1 = = = 1 1 = = 1 = = = = 1 1 = =
–   Protector 1.3.4 32-bit2824+15
−15
(−109)18.5 − 11.5
(+12−5=13)
61.7%
18.5 / 30
100.0%
−34
= 0 0 = 0 1 = 1 1 = = = = 1 = 1 1 = 0 1 = = 1 1 = 0 1 1 = 1
–   Hiarcs 12.12817+11
−11
(−116)21 − 13
(+12−4=18)
61.8%
21.0 / 34
100.0%
−50
1 = = 0 = = 1 = = = = 1 1 = = 0 1 1 = = = 0 1 1 0 = = = 1 1 = 1 = 1
–   Hiarcs 12 Sharpen PV On2813+14
−14
(−120)23.5 − 6.5
(+19−2=9)
78.3%
23.5 / 30
100.0%
+80
1 1 = 1 1 1 = = = = 1 1 1 = 1 1 1 0 1 = 1 1 1 1 0 1 1 = 1 =
–   Zappa Mexico II 32-bit2808+11
−12
(−125)24.5 − 9.5
(+18−3=13)
72.1%
24.5 / 34
100.0%
+17
= 1 1 = = = 1 1 1 1 = 1 = = 1 = = 1 1 0 = 1 0 1 = 1 0 = 1 1 = 1 1 1
–   Protector 1.3.1b 32-bit2801+23
−23
(−132)21 − 9
(+15−3=12)
70.0%
21.0 / 30
100.0%
−5
1 = 1 1 0 1 = 1 1 1 0 = 1 = 1 1 = 1 0 = = 1 = = 1 1 1 = = =
–   Spark 0.3a 32-bit2799+17
−17
(−134)25.5 − 12.5
(+14−1=23)
67.1%
25.5 / 38
100.0%
−37
1 = = = = 1 1 = 0 = = = = = 1 = 1 1 = = = = = 1 = 1 1 1 = = = = 1 1 = 1 1 =
–   Onno 1.1.1 32-bit2797+18
−18
(−136)24.5 − 9.5
(+18−3=13)
72.1%
24.5 / 34
100.0%
+10
1 = 1 1 1 1 0 1 1 = = = = 0 1 1 1 = 1 1 1 = = = 1 1 = 0 1 = 1 = 1 =
–   Spark 0.3 32-bit2797+16
−16
(−136)22 − 12
(+14−4=16)
64.7%
22.0 / 34
100.0%
−45
= = = 0 1 = 1 = 1 1 1 = = 1 = 1 = = = = 1 1 0 0 = 1 = 1 = 0 1 1 1 =
–   Protector 1.3.2 32-bit2795+21
−21
(−138)22 − 10
(+16−4=12)
68.8%
22.0 / 32
100.0%
−15
= 1 1 1 = 1 = 1 = 1 0 1 1 = = 1 1 1 0 0 = 1 0 = 1 = = 1 = = 1 1
–   Onno 1.0 32-bit2793+18
−18
(−140)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
+129
1 1 1 1 = = 1 1 1 1 0 1 1 1 1 = = = 1 1 1 1 1 1 = 1 1 = 1 1
–   Bright 0.5c2778+13
−13
(−155)21 − 9
(+16−4=10)
70.0%
21.0 / 30
100.0%
−21
= = 1 1 1 = 0 = = 1 1 1 1 1 1 = 0 1 = 1 = 1 0 = 0 1 1 1 = 1
–   Critter 0.52b 32-bit2773+30
−30
(−160)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−100
1 = = =
–   Twisted Logic 20100131x 32-bit2736+17
−18
(−197)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+86
= 1 1 1
–   Critter 0.52 32-bit2735+31
−31
(−198)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−48
= = 1 1
–   Twisted Logic 20090922 32-bit2730+19
−19
(−203)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+80
1 1 = 1
–   Critter 0.42 32-bit2705+25
−25
(−228)2 − 1
(+1−0=2)
66.7%
2.0 / 3
100.0%
−145
= 1 =
–   Crafty 23.2 32-bit2695+32
−32
(−238)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
−95
= 1 1 =
–   Frenzee Feb08 32-bit2695+13
−13
(−238)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+52
1 1 1 =
–   Booot 4.15.02693+14
−14
(−240)7 − 1
(+6−0=2)
87.5%
7.0 / 8
100.0%
+49
1 1 = 1 1 1 1 =
–   Delfi 5.42689+11
−12
(−244)5.5 − 2.5
(+3−0=5)
68.8%
5.5 / 8
100.0%
−138
1 = = 1 = = = 1
–   Crafty 23.1 32-bit2687+18
−18
(−246)3.5 − 1.5
(+2−0=3)
70.0%
3.5 / 5
100.0%
−121
= = 1 = 1
–   BugChess2 1.6.4 32-bit2657+22
−22
(−276)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF
1 1 1 1

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Created in 2005-2013 by CCRL team
Last games added on June 27, 2020