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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Rybka 2.3.2a 64-bit 4CPU (3047+11
−11		)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 Combines Rybka 2.3.2 and 2.3.2a games - testing has confirmed the versions are indistinguishable regarding strength.
This is one of the 27 Rybka versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Houdini 3 64-bit 4CPU3279+12
−12		(+232)5.5 − 26.5
(+0−21=11)
17.2%
5.5 / 32
0.0%
−7
–   Houdini 1.5a 64-bit 4CPU3214+12
−12		(+167)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−67
–   Critter 1.6a 64-bit 4CPU3201+8
−8		(+154)10 − 34
(+0−24=20)
22.7%
10.0 / 44
0.0%
−32
–   Stockfish 2.3.1 64-bit 4CPU3183+17
−17		(+136)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−34
–   Sting SF 4.8.4 64-bit 4CPU3173+23
−23		(+126)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+126
–   iCE 4.0 64-bit 4CPU3160+21
−21		(+113)7.5 − 14.5
(+3−10=9)		34.1%
7.5 / 22
0.0%
−2
–   Elektro 1.2 64-bit 4CPU3158+21
−21		(+111)4.5 − 14.5
(+0−10=9)		23.7%
4.5 / 19
0.0%
−69
–   Sting SF 5 64-bit 4CPU3157+22
−22		(+110)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+110
–   Amoeba 3.4 64-bit 4CPU3156+20
−20		(+109)11 − 19
(+2−10=18)
36.7%
11.0 / 30
0.0%
+20
–   Rybka 3 64-bit 4CPU3152+10
−10		(+105)14.5 − 37.5
(+1−24=27)
27.9%
14.5 / 52
0.0%
−42
–   IvanHoe 9.46h 64-bit 4CPU3151+12
−12		(+104)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−148
–   RobboLito 0.21Q 64-bit 4CPU3148+20
−20		(+101)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−65
–   Hannibal 1.5 64-bit 4CPU3146+17
−17		(+99)10 − 12
(+3−5=14)		45.5%
10.0 / 22
0.0%
+73
–   Bouquet 1.6 64-bit 4CPU3145+19
−19		(+98)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
+20
–   Sting SF 2 64-bit 4CPU3144+24
−24		(+97)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−14
–   Rybka 3 Human 64-bit 4CPU3143+25
−25		(+96)1 − 5
(+0−4=2)		16.7%
1.0 / 6
0.0%
−144
–   FabChess 1.16 64-bit 4CPU3142+21
−21		(+95)5 − 11
(+0−6=10)		31.3%
5.0 / 16
0.0%
−23
–   Topple 0.8.1 64-bit 4CPU3138+21
−21		(+91)5.5 − 10.5
(+1−6=9)		34.4%
5.5 / 16
0.0%
−10
–   NirvanaChess 2.1c 64-bit 4CPU3132+20
−20		(+85)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
0.0%
+247
–   Naum 4.6 64-bit 4CPU3130+13
−13		(+83)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−207
–   Andscacs 0.82 64-bit 4CPU3123+25
−25		(+76)7.5 − 10.5
(+2−5=11)		41.7%
7.5 / 18
0.0%
+17
–   Texel 1.05 64-bit 4CPU3120+16
−16		(+73)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+175
–   Chiron 2 64-bit 4CPU3117+13
−13		(+70)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
0.0%
+1
–   Hannibal 1.4b 64-bit 4CPU3110+14
−14		(+63)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Protector 1.7.0 64-bit 4CPU3108+17
−17		(+61)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−101
–   Critter 0.90 64-bit 4CPU3107+26
−26		(+60)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+60
–   Naum 4.2 64-bit 4CPU3092+9
−9		(+45)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
–   Alfil 15.8 64-bit 4CPU3089+19
−19		(+42)5.5 − 10.5
(+1−6=9)		34.4%
5.5 / 16
0.0%
−60
–   Protector 1.5.0 64-bit 4CPU3088+16
−16		(+41)4 − 2
(+3−1=2)		66.7%
4.0 / 6
0.0%
+172
–   NirvanaChess 2.0a 64-bit 4CPU3088+26
−26		(+41)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.2%
−129
–   HIARCS 14 4CPU3084+12
−12		(+37)3 − 3
(+1−1=4)		50.0%
3.0 / 6
0.0%
+43
–   Rybka 3 64-bit3076+8
−8		(+29)32.5 − 37.5
(+11−16=43)
46.4%
32.5 / 70
0.0%
+6
–   Gull R375 64-bit 4CPU3067+19
−19		(+20)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
3.8%
−51
–   Deep Fritz 13 4CPU3062+15
−15		(+15)14 − 16
(+4−6=20)
46.7%
14.0 / 30
4.5%
−7
–   Hannibal 1.3 64-bit 4CPU3060+19
−19		(+13)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
11.5%
−64
–   Deep Junior Yokohama 64-bit 4CPU3052+14
−14		(+5)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
28.3%
−287
–   Andscacs 0.80 64-bit 4CPU3051+26
−26		(+4)5.5 − 3.5
(+2−0=7)		61.1%
5.5 / 9
38.2%
+76
–   Senpai 1.0 64-bit 4CPU3050+15
−15		(+3)2 − 2
(+1−1=2)		50.0%
2.0 / 4
34.5%
+3
–   Deep Junior 13.3 64-bit 4CPU3046+16
−16		(−1)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
52.3%
−171
–   Deep Shredder 12 64-bit 4CPU3045+9
−9		(−2)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
56.9%
+51
–   Spike 1.4 Leiden 4CPU3042+10
−10		(−5)4 − 6
(+1−3=6)		40.0%
4.0 / 10
75.2%
−71
–   Cheng 4.39 64-bit 4CPU3038+14
−14		(−9)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
83.0%
−180
–   Texel 1.03 64-bit 4CPU3033+27
−27		(−14)4.5 − 7.5
(+2−5=5)		37.5%
4.5 / 12
82.0%
−101
–   Fizbo 1.5 64-bit 4CPU3019+24
−24		(−28)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
98.1%
−190
–   Cheng4 0.38 64-bit 4CPU3004+21
−21		(−43)10 − 7
(+3−0=14)		58.8%
10.0 / 17
100.0%
+6
–   Naum 3.1 64-bit 4CPU2994+15
−15		(−53)32 − 18
(+18−4=28)
64.0%
32.0 / 50
100.0%
+42
–   Zappa Mexico II 64-bit 4CPU2993+9
−9		(−54)28 − 17
(+17−6=22)
62.2%
28.0 / 45
100.0%
+32
–   Spark 1.0 64-bit 4CPU2992+12
−12		(−55)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+116
–   Zappa Mexico 64-bit 4CPU2984+13
−13		(−63)91 − 68
(+48−25=86)
57.2%
91.0 / 159
100.0%
−12
–   Naum 3 64-bit 4CPU2979+15
−15		(−68)18.5 − 13.5
(+7−2=23)
57.8%
18.5 / 32
100.0%
−20
–   Fizbo 1.31 64-bit 4CPU2979+26
−26		(−68)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+94
–   Zap!Chess Zanzibar 64-bit 4CPU2973+20
−20		(−74)30 − 20
(+18−8=24)
60.0%
30.0 / 50
100.0%
−3
–   Onno 1.2.70 64-bit 4CPU2952+17
−17		(−95)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Fizbo 1.4 64-bit 4CPU2951+24
−24		(−96)5 − 3
(+4−2=2)		62.5%
5.0 / 8
100.0%
+6
–   Thinker 5.4d Inert 64-bit 4CPU2942+20
−20		(−105)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−105
–   Toga II 3.0 4CPU2936+20
−20		(−111)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+51
–   Deep Shredder 11 64-bit 4CPU2935+11
−11		(−112)59 − 33
(+35−9=48)
64.1%
59.0 / 92
100.0%
−16
–   Crafty 23.8 64-bit 4CPU2924+28
−28		(−123)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−122
–   Toga II 1.4.1SE 4CPU2922+11
−11		(−125)25 − 11
(+19−5=12)
69.4%
25.0 / 36
100.0%
+22
–   Naum 2.2 64-bit 4CPU2921+15
−15		(−126)38.5 − 17.5
(+24−3=29)
68.8%
38.5 / 56
100.0%
0
–   Hiarcs 12 4CPU2914+13
−13		(−133)40 − 15
(+26−1=28)
72.7%
40.0 / 55
100.0%
+20
–   Hiarcs 12 Sharpen PV On 4CPU2908+18
−18		(−139)34.5 − 15.5
(+24−5=21)
69.0%
34.5 / 50
100.0%
−3
–   Hiarcs Paderborn 2007 4CPU2906+17
−17		(−141)27 − 11
(+19−3=16)
71.1%
27.0 / 38
100.0%
+7
–   Toga II 1.4 beta5c 4CPU2902+16
−16		(−145)36 − 12
(+27−3=18)
75.0%
36.0 / 48
100.0%
+35
–   Deep Fritz 10.1 4CPU2901+16
−16		(−146)26 − 8
(+20−2=12)
76.5%
26.0 / 34
100.0%
+44
–   Hiarcs 11.1 4CPU2893+15
−15		(−154)34 − 16
(+24−6=20)
68.0%
34.0 / 50
100.0%
−23
–   Glaurung 2.1 64-bit 4CPU2884+16
−16		(−163)39 − 13
(+29−3=20)
75.0%
39.0 / 52
100.0%
+16
–   Naum 2.1 64-bit 4CPU2881+19
−19		(−166)34 − 16
(+24−6=20)
68.0%
34.0 / 50
100.0%
−36
–   Bright 0.3d 4CPU2881+17
−17		(−166)51.5 − 16.5
(+37−2=29)
75.7%
51.5 / 68
100.0%
+14
–   Hiarcs 11.2 4CPU2876+23
−23		(−171)31 − 9
(+27−5=8)
77.5%
31.0 / 40
100.0%
+50
–   Loop M1-T 64-bit 4CPU2861+10
−10		(−186)38.5 − 17.5
(+26−5=25)
68.8%
38.5 / 56
100.0%
−55
–   Loop 13.6 (Loop 2007) 64-bit 4CPU2850+17
−17		(−197)23.5 − 6.5
(+18−1=11)
78.3%
23.5 / 30
100.0%
+9
–   Deep Shredder 10 64-bit 4CPU2845+15
−15		(−202)40.5 − 11.5
(+33−4=15)
77.9%
40.5 / 52
100.0%
+7
–   Deep Fritz 10 4CPU2843+18
−18		(−204)43.5 − 11.5
(+34−2=19)
79.1%
43.5 / 55
100.0%
+8
–   Glaurung 2.0.1 64-bit 4CPU2839+15
−15		(−208)40 − 12
(+31−3=18)
76.9%
40.0 / 52
100.0%
−9
–   Bright 0.3a 4CPU2839+16
−16		(−208)29 − 5
(+24−0=10)
85.3%
29.0 / 34
100.0%
+57
–   Bright 0.2c 4CPU2815+18
−18		(−232)28.5 − 6.5
(+23−1=11)
81.4%
28.5 / 35
100.0%
0
–   Deep Junior 10 4CPU2814+13
−13		(−233)43.5 − 6.5
(+39−2=9)
87.0%
43.5 / 50
100.0%
+72
–   Toga II 1.3.12798+10
−10		(−249)27 − 5
(+22−0=10)
84.4%
27.0 / 32
100.0%
+5
–   Fruit 2.3.12794+12
−12		(−253)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
+3
–   Deep Sjeng 2.7 4CPU2787+16
−16		(−260)32.5 − 7.5
(+27−2=11)
81.3%
32.5 / 40
100.0%
−22
–   Fruit 05/11/032781+18
−18		(−266)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
−31
–   Glaurung 1.2.1 64-bit 4CPU2772+16
−16		(−275)46.5 − 6.5
(+40−0=13)
87.7%
46.5 / 53
100.0%
+18
–   Chess Tiger 2007.12703+8
−8		(−344)3 − 0
(+3−0=0)		100.0%
3.0 / 3
100.0%
+INF
2058 games: 827 wins, 319 losses, 912 draws (44.3%), score: 62.3%

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