CCRL 40/15
Downloads and Statistics
January 24, 2021
Testing summary:
Total: 1'209'412 games
played by 2'772 programs

White wins: 415'904 (34.4%)
Black wins: 306'459 (25.3%)
Draws: 487'049 (40.3%)
White score: 54.5%

Engine Details

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Stockfish 1.6.3 32-bit (2933+17
−16		)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 117 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Seer 1.2.1 64-bit3055+26
−26		(+122)4.5 − 7.5
(+3−6=3)		37.5%
4.5 / 12
0.0%
+28
1 0 0 1 0 = 0 = 0 1 0 =
–   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-bit2995+19
−19		(+62)8.5 − 7.5
(+3−2=11)		53.1%
8.5 / 16
0.0%
+77
0 = 1 1 = = = = = = = = = = 0 1
–   Rybka 3 32-bit2995+12
−12		(+62)13.5 − 18.5
(+4−9=19)
42.2%
13.5 / 32
0.0%
+16
= = = = = = 1 0 = 0 = 0 0 0 = = 1 = = = 0 1 0 = = 0 1 = = = = 0
–   ChessBrainVB 3.502979+24
−23		(+46)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
0.1%
+78
1 1 1 = = 0 0 0 1 =
–   Naum 4.2 64-bit2975+9
−9		(+42)9.5 − 14.5
(+4−9=11)		39.6%
9.5 / 24
0.0%
−20
0 1 = = = 0 = 0 1 0 = = 0 = 0 1 = = = 0 0 1 0 =
–   Amoeba 3.1 64-bit2968+20
−20		(+35)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.5%
−27
= = 1 = 0 = 0 = 0 =
–   Arasan 20.1 64-bit2963+23
−23		(+30)8 − 8
(+6−6=4)		50.0%
8.0 / 16
2.0%
+30
1 1 0 0 0 = 0 1 0 0 = 1 = 1 1 =
–   Andscacs 0.72 64-bit2959+26
−26		(+26)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
5.2%
+57
= 0 = = 1 = 1 1 = 0
–   Naum 4.2 32-bit2958+10
−10		(+25)11.5 − 18.5
(+3−10=17)
38.3%
11.5 / 30
0.6%
−42
1 = 0 = 0 = 0 0 = 0 0 = = = = = = 1 0 = = = = 1 0 = = = 0 0
–   Fizbo 1.5 64-bit2956+21
−21		(+23)4 − 6
(+1−3=6)		40.0%
4.0 / 10
4.6%
−29
1 0 = 0 = = = 0 = =
–   Vajolet2 2.3 64-bit2955+20
−20		(+22)5.5 − 6.5
(+3−4=5)		45.8%
5.5 / 12
4.7%
−2
0 0 0 = = 1 1 = = 0 = 1
–   Naum 4.1 32-bit2953+21
−21		(+20)12 − 18
(+2−8=20)
40.0%
12.0 / 30
7.1%
−33
= 1 0 = 0 0 = = = 0 = = = = 0 0 = = = 1 = = 0 = = = = = 0 =
–   Pirarucu 2.7.4 64-bit2949+17
−17		(+16)9 − 11
(+5−7=8)		45.0%
9.0 / 20
9.2%
−17
0 = 0 1 0 1 = = 1 = = 0 1 0 1 0 0 = = =
–   Nemorino 2.00 64-bit2945+23
−23		(+12)3.5 − 6.5
(+0−3=7)		35.0%
3.5 / 10
20.5%
−68
= = = 0 = = 0 = 0 =
–   Crafty 25.2 64-bit2931+11
−11		(−2)2 − 8
(+0−6=4)		20.0%
2.0 / 10
59.1%
−200
0 0 = = 0 0 0 = 0 =
–   Naum 4 32-bit2929+14
−14		(−4)19 − 15
(+8−4=22)
55.9%
19.0 / 34
65.0%
+27
= = = = = 1 1 = 1 = 1 = = = 0 = = = 1 1 0 = = = 1 = = = 1 = 0 = = 0
–   Shredder 12 32-bit2928+7
−8		(−5)34.5 − 27.5
(+16−9=37)
55.6%
34.5 / 62
70.0%
+26
1 = = 0 1 0 = 1 1 = = 1 = = 1 = = = 0 = = = 1 = 0 = = 0 0 1 1 = 1 = = = = = = = 0 1 = 1 = = = = = 1 1 = 0 = = = = 1 = 1 = 0
–   Fizbo 1.4 64-bit2928+27
−27		(−5)5 − 5
(+3−3=4)		50.0%
5.0 / 10
63.1%
−5
1 1 0 = = 0 0 = = 1
–   Godel 6.0 64-bit2923+19
−19		(−10)9 − 5
(+6−2=6)		64.3%
9.0 / 14
79.1%
+75
= = 1 = = 1 1 = 0 = 1 1 0 1
–   Demolito 2018-03-01 64-bit2909+17
−17		(−24)10 − 8
(+5−3=10)		55.6%
10.0 / 18
97.7%
+5
1 = 0 = 1 1 = = = = 1 0 = = 0 1 = =
–   Vajolet2 2.1 64-bit2895+24
−24		(−38)6.5 − 3.5
(+4−1=5)		65.0%
6.5 / 10
99.6%
+53
= = 1 1 1 = = 0 = 1
–   Fritz 122886+11
−11		(−47)18 − 12
(+9−3=18)
60.0%
18.0 / 30
100.0%
+7
0 = = = = 0 = = = = 1 = 1 1 = 1 = 1 = = = = 0 1 = = 1 = 1 1
–   Bobcat 7.6 64-bit2876+22
−22		(−57)8 − 2
(+8−2=0)		80.0%
8.0 / 10
100.0%
+228
1 1 0 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 1 0 = = 1 = = = = 0 = 1 = 1 0 = = = = = =
–   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 1 1 1 = = 0 = = 1 = 0 = = = 1 0 = 1 1 0 = 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 = = 0 = = = = 1 0 = 0 1 = 1 1 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 = = 0 = = 1 1 1 = 1 1 = = 0 = = 1 1 0 1 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 = 0 = = = 1 1 1 1 1 1 0 0 = 1 1 1 = 1 = 1 0 = 1 1
–   Cyclone xTreme Fury2827+19
−19		(−106)23 − 15
(+13−5=20)
60.5%
23.0 / 38
100.0%
−45
= 1 = 1 1 0 = = 0 = 1 1 1 = = 0 1 = = = = = = = = 1 1 = 0 1 = 1 = 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 1 = = = = 1 = 1 = = 1 0 0 = 1 0 = = = 1 = 0 = 1 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 1 = = 1 1 = 0 1 1 = 1 1 1 = = = = 1 = 1 1 = = 0 0 = 0 1 =
–   Hiarcs 12.12817+11
−11		(−116)21 − 13
(+12−4=18)
61.8%
21.0 / 34
100.0%
−50
1 = = 0 = = = = = 0 1 = 1 1 = = 0 1 1 1 0 = = = 1 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 0 1 = 1 1 1 = 1 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 0 = 1 0 = 1 = = 1 = = 1 1 = 1 0 = 1 1 1 1 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 = 1 1 1 0 = 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 = 1 1 = = = = 1 1 = 0 = = = = = 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 1 1 1 = = = = = 0 1 1 1 = = 1 1 = 0 0 1 1 = 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 0 1 = = 1 = 1 = = 0 = 1 = 1 = 1 = 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 = 1 0 1 1 = = 1 1 1 0 0 = 1 0 = 1 = = 1 1
–   Onno 1.0 32-bit2794+18
−18		(−139)25.5 − 4.5
(+22−1=7)
85.0%
25.5 / 30
100.0%
+130
1 1 1 1 = = = = 1 1 0 1 1 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
0 = 0 1 1 1 = 1 1 1 1 = 0 = = 1 1 1 1 1 1 = 0 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 =
–   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 =
–   Crafty 23.2 32-bit2695+32
−32		(−238)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−95
= 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
−11		(−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
1140 games: 419 wins, 174 losses, 547 draws (48.0%), score: 60.7%

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Created in 2005-2013 by CCRL team
Last games added on January 24, 2021