CCRL 40/15
Downloads and Statistics
May 24, 2020
Testing summary:
Total: 1'147'168 games
played by 2'661 programs

White wins: 396'304 (34.5%)
Black wins: 293'262 (25.6%)
Draws: 457'602 (39.9%)
White score: 54.5%

Engine Details

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Rybka 4 32-bit (3017+15
−15		)Quote
Author: Vasik Rajlich (USA) Link: Homepage
Information: There is some debate in the chess community about whether or not early versions of the Rybka engine contain parts of Fruit code
This is one of the 26 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Xiphos 0.3 64-bit3093+19
−19		(+76)9.5 − 10.5
(+4−5=11)		47.5%
9.5 / 20
0.0%
+64
= = 1 1 = 0 0 = = 0 = 1 = 1 = = 0 0 = =
–   Nemorino 4.00 64-bit3040+17
−17		(+23)6.5 − 3.5
(+3−0=7)		65.0%
6.5 / 10
2.1%
+106
= 1 = 1 = 1 = = = =
–   Wasp 3.60 64-bit3040+20
−20		(+23)8 − 8
(+2−2=12)		50.0%
8.0 / 16
3.3%
+23
= = = 1 = = 0 = 0 = = = = = = 1
–   RubiChess 1.4 64-bit3038+17
−17		(+21)8 − 8
(+3−3=10)		50.0%
8.0 / 16
3.9%
+25
= 0 = = = 0 = 1 = = 1 0 = = = 1
–   ChessBrainVB 3.683026+21
−21		(+9)7 − 7
(+3−3=8)		50.0%
7.0 / 14
25.0%
+11
0 0 = 0 = = = 1 = 1 = = 1 =
–   Arasan 20.5 64-bit3025+20
−20		(+8)6 − 6
(+2−2=8)		50.0%
6.0 / 12
26.3%
+11
= 0 0 1 = = = = = = = 1
–   Critter 1.01 32-bit3019+18
−18		(+2)20 − 12
(+11−3=18)
62.5%
20.0 / 32
44.2%
+72
= 1 = = 1 = 0 1 1 = = 1 = = 1 1 0 1 = 1 = = = = 1 = 0 = = 1 = =
–   Stockfish 2.0.1 32-bit3013+17
−17		(−4)17 − 13
(+10−6=14)
56.7%
17.0 / 30
63.8%
+35
1 1 = 1 = = = 0 1 0 = 1 1 0 0 0 = 1 = = 0 = 1 1 1 = = = = =
–   Stockfish 1.9.1 32-bit3000+16
−16		(−17)20 − 22
(+7−9=26)
47.6%
20.0 / 42
94.2%
−29
0 = 1 1 0 1 = 0 0 1 = 1 = = = = = 0 = 0 = = 0 = = = 0 0 = = = = = 1 = = 1 = = = = =
–   Critter 0.90 32-bit2990+15
−15		(−27)23.5 − 18.5
(+12−7=23)
56.0%
23.5 / 42
99.5%
+5
1 0 0 = 1 0 0 1 = 1 1 1 = = = = 0 = 1 0 = = = = 1 = = 1 = = = = = = 0 1 = 1 = 1 = =
–   Stockfish 1.8 32-bit2989+17
−17		(−28)21.5 − 13.5
(+10−2=23)
61.4%
21.5 / 35
99.4%
+33
= 1 = 1 1 = = = 1 = 0 = = = = 1 = = = 1 = = 1 = = = 1 0 = = = 1 = = 1
–   Stockfish 1.7.1 32-bit2979+16
−16		(−38)29.5 − 24.5
(+15−10=29)
54.6%
29.5 / 54
100.0%
−10
= = = = = = 0 = = = 1 = 0 = 1 0 = 1 1 = 1 = 1 = = 1 0 1 = 1 0 = = 0 1 = 1 1 0 0 = = = 1 = = 1 = = 0 = = 1 0
–   Naum 4.2 32-bit2959+10
−10		(−58)39.5 − 31.5
(+15−7=49)
55.6%
39.5 / 71
100.0%
−28
1 = = = = = = = = = 1 = = = = = = = = = = 1 1 1 1 = 0 1 1 = = 1 = = = = 1 = 1 = = 1 0 = = = 0 = = = 0 0 = 0 = = = = = = = = = = 1 = 1 = 0 1 =
–   Deep Sjeng c't 20102941+10
−10		(−76)24.5 − 13.5
(+14−3=21)
64.5%
24.5 / 38
100.0%
+8
= = 1 = 0 1 = = 1 1 1 1 = = = = = = 0 1 = 1 1 0 = 1 = 1 = 1 = = 1 = = = = 1
–   Shredder 12 32-bit2929+8
−7		(−88)65 − 37
(+37−9=56)
63.7%
65.0 / 102
100.0%
−8
0 0 1 = 1 1 = = = = 1 = = = 1 = = = 1 0 1 = 1 = = = 1 = 1 = 1 1 1 1 1 = 0 1 = = 1 = = 1 = = 0 1 = = = = 1 = = = = = 0 1 = 1 = = 1 = = 1 1 = 0 = 1 1 = 0 1 = = = 1 1 = 1 1 1 1 = = 1 = = = 1 1 0 = = = = = =
–   Critter 0.80 32-bit2924+15
−15		(−93)25 − 15
(+14−4=22)
62.5%
25.0 / 40
100.0%
−20
= 0 = 1 1 1 = 0 1 = = = = = 1 1 = = 1 1 = = = = = = = = 1 1 1 = 1 0 1 1 = 0 = =
–   Komodo 1.3 32-bit2917+16
−16		(−100)23 − 11
(+14−2=18)
67.6%
23.0 / 34
100.0%
+3
= 1 = = = = 1 0 = = = 1 1 1 = = 1 = 1 1 0 = 1 = = 1 = 1 = 1 1 = = 1
–   Spike 1.4 Leiden2915+8
−8		(−102)22 − 8
(+16−2=12)
73.3%
22.0 / 30
100.0%
+49
= 1 = 1 0 1 1 1 1 = = 1 1 = 1 1 0 = = 1 1 1 = 1 = 1 = = = 1
–   Komodo 1.2 32-bit2897+14
−14		(−120)49.5 − 18.5
(+34−3=31)
72.8%
49.5 / 68
100.0%
+21
1 1 1 1 1 = = = 1 1 = = 1 1 1 = 1 1 = 1 1 = 1 = 1 = 1 1 1 = = = 1 0 = = 1 = = = 0 1 = = = 1 1 = 1 1 1 = 1 1 = = 1 = = 1 = 1 0 1 = = = 1
–   Hiarcs 13.22896+11
−10		(−121)21 − 9
(+16−4=10)
70.0%
21.0 / 30
100.0%
+13
1 1 = 1 0 1 1 = = 1 0 1 = 1 1 1 0 1 1 = = = = 1 1 = 1 0 1 =
–   Gull 1.0a 32-bit2886+12
−12		(−131)24.5 − 9.5
(+18−3=13)
72.1%
24.5 / 34
100.0%
+12
1 1 0 = 1 = = 1 1 = 1 1 1 = = = = 0 1 1 1 1 0 = 1 = 1 1 = = 1 1 1 =
–   Fritz 122886+11
−11		(−131)33.5 − 14.5
(+24−5=19)
69.8%
33.5 / 48
100.0%
−1
1 = 1 1 1 = 1 0 0 = 0 1 = = 1 1 1 = = 1 1 1 1 = = 1 0 = 1 = = 1 1 = 1 = = 1 = = 1 0 1 1 = 1 = 1
–   Protector 1.4.0 32-bit2879+11
−11		(−138)19 − 11
(+14−6=10)
63.3%
19.0 / 30
100.0%
−46
= = = 1 = 1 0 1 0 0 1 0 0 1 = 1 1 1 = = 1 1 = = 0 1 = 1 1 1
–   Gull 1.1 32-bit2877+17
−17		(−140)30 − 12
(+21−3=18)
71.4%
30.0 / 42
100.0%
−5
= 1 1 = 1 = 1 0 1 = = 1 1 = 1 = = 1 = 1 = 1 1 = = 1 = = = = 1 1 = 1 1 1 1 = 1 0 1 0
–   Critter 0.70 32-bit2877+19
−19		(−140)38.5 − 17.5
(+24−3=29)
68.8%
38.5 / 56
100.0%
−29
= = = = 1 1 1 = 1 1 1 1 = = = = 1 1 = = 1 = 1 = = = = = = 1 = 1 = 1 1 = = 1 0 = = = 1 1 0 1 1 = 1 1 0 1 = = 1 =
–   Gull 1.2 32-bit2877+12
−12		(−140)20 − 10
(+16−6=8)
66.7%
20.0 / 30
100.0%
−21
= 1 1 = 0 1 1 0 1 0 1 0 1 1 1 1 1 = 1 = 0 = 1 1 1 = = = 0 1
–   Hiarcs 13.12874+14
−14		(−143)30 − 12
(+21−3=18)
71.4%
30.0 / 42
100.0%
−6
1 = = 1 1 = = = 0 1 = 1 = = = = 0 1 1 = 1 = 0 1 1 1 = 1 1 1 = 1 = = 1 1 1 1 1 = 1 =
–   Gull 0.12a 32-bit2870+21
−21		(−147)26 − 8
(+20−2=12)
76.5%
26.0 / 34
100.0%
+32
1 1 = = = = = 1 = 1 1 = 1 = = 0 = 1 1 1 1 1 1 = 1 1 0 1 1 1 1 1 = 1
–   Spark 1.0 32-bit2864+11
−11		(−153)21 − 13
(+13−5=16)
61.8%
21.0 / 34
100.0%
−84
1 1 1 1 1 = = = = = 0 = 1 1 0 1 0 = = 1 1 = 0 = 0 = = 1 = = 1 1 = =
–   Thinker 5.4d Inert 32-bit2857+10
−10		(−160)37.5 − 8.5
(+31−2=13)
81.5%
37.5 / 46
100.0%
+68
0 = 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
–   Deep Junior 12 32-bit2856+19
−19		(−161)27 − 8
(+21−2=12)
77.1%
27.0 / 35
100.0%
+22
= = = 1 1 1 = 1 1 1 1 0 1 = 1 = = 1 0 1 1 1 1 = 1 = 1 1 1 1 1 = 1 = =
–   Gull 0.11a 32-bit2848+21
−21		(−169)25 − 5
(+20−0=10)
83.3%
25.0 / 30
100.0%
+62
1 1 1 1 = 1 = 1 1 = 1 1 1 1 1 = = 1 = 1 1 1 1 = 1 1 = = 1 =
–   Booot 5.1.02844+10
−10		(−173)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−15
1 = 1 =
–   Deep Junior 11.1a 32-bit2831+17
−17		(−186)22.5 − 7.5
(+17−2=11)
75.0%
22.5 / 30
100.0%
−21
= = 0 = 1 1 1 1 = = 0 1 1 1 = 1 1 1 = = 1 1 1 1 = = 1 = 1 1
–   Protector 1.3.5 32-bit2830+15
−15		(−187)30 − 4
(+26−0=8)
88.2%
30.0 / 34
100.0%
+113
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
–   Grapefruit 1.0 32-bit2826+9
−9		(−191)25.5 − 8.5
(+19−2=13)
75.0%
25.5 / 34
100.0%
−26
= = 1 = 1 1 1 1 = = = 1 = 1 1 1 = 0 0 = 1 1 1 1 = 1 1 1 1 = = = 1 1
–   Booot 5.02825+15
−16		(−192)26.5 − 7.5
(+21−2=11)
77.9%
26.5 / 34
100.0%
+1
1 = 1 1 = 1 = 1 0 = = = 1 1 0 1 1 = 1 1 1 1 = 1 = = 1 1 = 1 1 1 1 1
–   Deep Sjeng WC2008 32-bit2825+12
−12		(−192)18 − 12
(+10−4=16)
60.0%
18.0 / 30
100.0%
−131
= = 0 1 = = = 1 1 = 1 0 0 = 1 = = = = = 1 0 1 = = 1 1 = 1 =
–   Cyclone xTreme2824+13
−13		(−193)21.5 − 8.5
(+14−1=15)
71.7%
21.5 / 30
100.0%
−59
= 1 = 1 = 1 1 = 1 1 = 1 = 1 = 1 1 0 = = = 1 1 1 = = = 1 = =
–   Protector 1.3.4 32-bit2824+15
−15		(−193)24 − 6
(+18−0=12)
80.0%
24.0 / 30
100.0%
+4
1 1 1 1 1 = = = 1 1 1 = = = 1 1 1 1 = = = 1 1 = 1 = 1 = 1 1
–   Spark 0.4 32-bit2822+16
−16		(−195)22 − 8
(+15−1=14)
73.3%
22.0 / 30
100.0%
−51
= 1 1 = = = 1 = 1 = = 1 1 = = 1 1 1 1 = 1 0 = = = 1 1 = 1 1
–   Deep Junior 11.2 32-bit2817+21
−21		(−200)25.5 − 8.5
(+21−4=9)
75.0%
25.5 / 34
100.0%
−21
0 = = 1 1 1 = = 1 1 = 1 1 1 = 1 1 1 = 1 1 1 = 1 1 1 1 = 0 0 1 0 1 1
–   Onno 1.2.70 32-bit2786+18
−18		(−231)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+15
1 1 1 1 0 1 1 1 1 = 1 1 1 1 = 1 1 1 1 = = 1 1 1 = 1 = 1 = =
1517 games: 669 wins, 143 losses, 705 draws (46.5%), score: 67.3%

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Created in 2005-2013 by CCRL team
Last games added on May 24, 2020