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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Show each game results
Rybka 2.3.2a 64-bit (2986+9
−9		)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
–   Komodo 5.1 64-bit3142+14
−14		(+156)7 − 23
(+2−18=10)
23.3%
7.0 / 30
0.0%
−42
–   Mantissa 3.3.0 64-bit3138+15
−15		(+152)10 − 10
(+5−5=10)		50.0%
10.0 / 20
0.0%
+152
–   Stockfish 3 64-bit3134+14
−14		(+148)6 − 24
(+1−19=10)
20.0%
6.0 / 30
0.0%
−71
–   Winter 0.8 64-bit3119+17
−17		(+133)3.5 − 12.5
(+1−10=5)		21.9%
3.5 / 16
0.0%
−75
–   Atlas 4.35 64-bit3118+12
−12		(+132)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−158
–   Sturddle 1.04 64-bit3115+14
−14		(+129)10 − 14
(+4−8=12)		41.7%
10.0 / 24
0.0%
+71
–   Texel 1.07 64-bit3114+9
−9		(+128)2 − 10
(+0−8=4)		16.7%
2.0 / 12
0.0%
−115
–   Clarity 3.0.0 64-bit3103+19
−19		(+117)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
0.0%
+8
–   Seer 1.2.1 64-bit3090+19
−19		(+104)5.5 − 6.5
(+2−3=7)		45.8%
5.5 / 12
0.0%
+74
–   Atlas 4.25 64-bit3085+14
−14		(+99)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.0%
+110
–   Vitruvius 1.11C 64-bit3082+12
−12		(+96)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
+24
–   Svart 4 64-bit3079+17
−17		(+93)9 − 15
(+6−12=6)		37.5%
9.0 / 24
0.0%
−7
–   Pedantic 0.6.0 64-bit3077+18
−18		(+91)7 − 17
(+1−11=12)		29.2%
7.0 / 24
0.0%
−48
–   Hannibal 1.5 64-bit3070+11
−11		(+84)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.0%
+155
–   ChessBrainVB 3.663069+20
−20		(+83)3.5 − 10.5
(+1−8=5)		25.0%
3.5 / 14
0.0%
−98
–   GOOB 1.8.9 64-bit3069+12
−12		(+83)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Sting SF 3 64-bit3068+14
−14		(+82)13.5 − 16.5
(+8−11=11)
45.0%
13.5 / 30
0.0%
+41
–   Kobra 1.2 64-bit3067+21
−21		(+81)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Wahoo 4.0.0 64-bit3060+10
−10		(+74)8.5 − 15.5
(+4−11=9)		35.4%
8.5 / 24
0.0%
−35
–   SmarThink 1.98 64-bit3059+11
−11		(+73)4 − 10
(+1−7=6)		28.6%
4.0 / 14
0.0%
−78
–   StockNemo 5.3.0.0 64-bit3059+21
−21		(+73)10.5 − 13.5
(+4−7=13)		43.8%
10.5 / 24
0.0%
+25
–   Sting SF 4 64-bit3056+16
−16		(+70)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.0%
−7
–   Sting SF 2 64-bit3051+15
−15		(+65)3 − 5
(+1−3=4)		37.5%
3.0 / 8
0.0%
−23
–   Bagatur 3.0 64-bit3050+19
−19		(+64)3 − 11
(+2−10=2)		21.4%
3.0 / 14
0.0%
−179
–   Protej 0.6.5 64-bit3048+17
−17		(+62)9 − 15
(+5−11=8)		37.5%
9.0 / 24
0.0%
−38
–   Chiron 2 64-bit3045+11
−11		(+59)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−107
–   Pedone 1.7 64-bit3045+14
−14		(+59)4.5 − 7.5
(+2−5=5)		37.5%
4.5 / 12
0.0%
−33
–   Amoeba 3.4 64-bit3043+12
−12		(+57)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−47
–   Princhess 0.15.1 64-bit3042+16
−16		(+56)6 − 14
(+2−10=8)		30.0%
6.0 / 20
0.0%
−88
–   Bagatur 3.2 64-bit3042+21
−21		(+56)5 − 9
(+1−5=8)		35.7%
5.0 / 14
0.0%
−37
–   Texel 1.05 64-bit3039+13
−13		(+53)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−49
–   Naum 4.6 64-bit3039+10
−10		(+53)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+155
–   Stockfish 1.7.1 64-bit3038+18
−18		(+52)14 − 19
(+8−13=12)
42.4%
14.0 / 33
0.0%
−4
–   Protector 1.7.0 64-bit3037+15
−15		(+51)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−115
–   Bagatur 2.3 64-bit3036+22
−22		(+50)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
+12
–   Cheng 4.41 64-bit3033+10
−10		(+47)8.5 − 7.5
(+4−3=9)		53.1%
8.5 / 16
0.0%
+69
–   Topple 0.8.1 64-bit3033+12
−12		(+47)3 − 1
(+2−0=2)		75.0%
3.0 / 4
0.0%
+213
–   Vajolet2 2.5 64-bit3032+15
−15		(+46)5.5 − 6.5
(+1−2=9)		45.8%
5.5 / 12
0.0%
+21
–   4ku 4.0 64-bit3029+14
−14		(+43)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+155
–   Hannibal 1.4b 64-bit3028+10
−10		(+42)5 − 5
(+2−2=6)		50.0%
5.0 / 10
0.0%
+42
–   akimbo 0.5.0 64-bit3027+19
−19		(+41)5 − 13
(+2−10=6)		27.8%
5.0 / 18
0.0%
−120
–   Gull II b2 64-bit3020+18
−18		(+34)4 − 4
(+2−2=4)		50.0%
4.0 / 8
0.0%
+39
–   Integral v2 64-bit3020+22
−22		(+34)15 − 19
(+9−13=12)
44.1%
15.0 / 34
0.2%
−11
–   NirvanaChess 2.0a 64-bit3012+19
−19		(+26)2 − 2
(+1−1=2)		50.0%
2.0 / 4
0.7%
+26
–   Protector 1.5.0 64-bit3011+11
−11		(+25)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
0.0%
−15
–   Bagatur 3.7b 64-bit3010+19
−19		(+24)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
1.0%
+136
–   Naum 4.2 64-bit3000+8
−8		(+14)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
0.7%
+159
–   Naum 3.1 64-bit 4CPU2994+15
−15		(+8)26.5 − 29.5
(+7−10=39)
47.3%
26.5 / 56
17.7%
−11
–   Stockfish 1.6.3 64-bit2994+16
−16		(+8)2 − 2
(+0−0=4)		50.0%
2.0 / 4
17.3%
+8
–   Zappa Mexico II 64-bit 4CPU2993+9
−9		(+7)16.5 − 19.5
(+8−11=17)
45.8%
16.5 / 36
12.9%
−23
–   Mr Bob 1.0.0 64-bit2991+17
−17		(+5)5 − 5
(+2−2=6)		50.0%
5.0 / 10
28.8%
+5
–   Fizbo 1.6 64-bit2989+21
−21		(+3)6.5 − 3.5
(+3−0=7)		65.0%
6.5 / 10
38.1%
+95
–   Ceibo 1.0 64-bit2986+14
−14		(0)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
50.1%
−77
–   Senpai 1.0 64-bit2986+11
−11		(0)17.5 − 16.5
(+6−5=23)
51.5%
17.5 / 34
49.2%
+11
–   HIARCS 142985+8
−8		(−1)1 − 3
(+0−2=2)		25.0%
1.0 / 4
53.6%
−172
–   Andscacs 0.80 64-bit2984+21
−21		(−2)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
55.6%
−73
–   Zappa Mexico 64-bit 4CPU2984+13
−13		(−2)24 − 26
(+11−13=26)
48.0%
24.0 / 50
56.9%
−20
–   Francesca MAD 0.32 64-bit2983+12
−12		(−3)11 − 9
(+6−4=10)		55.0%
11.0 / 20
66.5%
+29
–   Vengeance 3.0.0 64-bit2981+10
−10		(−5)1 − 1
(+1−1=0)		50.0%
1.0 / 2
77.8%
−4
–   Viridithas 4.0.0 64-bit2980+20
−20		(−6)8.5 − 7.5
(+3−2=11)		53.1%
8.5 / 16
70.2%
+17
–   Naum 3 64-bit 4CPU2979+15
−15		(−7)18 − 20
(+6−8=24)
47.4%
18.0 / 38
77.5%
−26
–   Naum 4 64-bit2977+10
−10		(−9)12 − 12
(+4−4=16)		50.0%
12.0 / 24
91.5%
−7
–   Nalwald 16 64-bit2976+14
−14		(−10)2 − 2
(+2−2=0)		50.0%
2.0 / 4
88.0%
−10
–   chess22k 1.9 64-bit2966+18
−18		(−20)6.5 − 5.5
(+3−2=7)		54.2%
6.5 / 12
97.8%
+5
–   Pedantic 0.5.0 64-bit2962+13
−13		(−24)16 − 14
(+8−6=16)
53.3%
16.0 / 30
99.9%
0
–   Deep Shredder 12 64-bit2961+8
−8		(−25)6.5 − 5.5
(+3−2=7)		54.2%
6.5 / 12
100.0%
+4
–   DeepSaros 3.1a 64-bit2952+21
−21		(−34)2.5 − 5.5
(+0−3=5)		31.3%
2.5 / 8
99.8%
−150
–   Wasp 2.00 64-bit2951+21
−21		(−35)9.5 − 6.5
(+5−2=9)		59.4%
9.5 / 16
99.9%
+28
–   Elixir 2.0 64-bit2950+24
−24		(−36)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
99.7%
+41
–   ice4 v4 64-bit2949+15
−15		(−37)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+129
–   Protej 0.6.4 64-bit2949+16
−16		(−37)6.5 − 9.5
(+4−7=5)		40.6%
6.5 / 16
100.0%
−112
–   monty v1.0.0 64-bit2946+23
−23		(−40)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
99.9%
−152
–   Texel 1.03 64-bit2946+21
−21		(−40)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
100.0%
0
–   Deep Junior Yokohama 64-bit2942+11
−11		(−44)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−43
–   Komodo 1.0 64-bit2942+12
−12		(−44)2.5 − 2.5
(+0−0=5)		50.0%
2.5 / 5
100.0%
−50
–   tomitankChess 5.1 64-bit2940+12
−12		(−46)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
+66
–   Koivisto 3.0 64-bit2939+20
−20		(−47)7 − 3
(+5−1=4)		70.0%
7.0 / 10
100.0%
+97
–   Deep Shredder 11 64-bit 4CPU2935+11
−11		(−51)33.5 − 20.5
(+19−6=29)
62.0%
33.5 / 54
100.0%
+29
–   Spike 1.4 Leiden2935+6
−6		(−51)10.5 − 7.5
(+7−4=7)		58.3%
10.5 / 18
100.0%
+8
–   Hannibal 1.2 64-bit2935+19
−19		(−51)5 − 3
(+2−0=6)		62.5%
5.0 / 8
100.0%
+23
–   Arcanum 2.2 64-bit2932+30
−30		(−54)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+112
–   Quazar 0.4 64-bit2924+9
−9		(−62)12 − 6
(+7−1=10)		66.7%
12.0 / 18
100.0%
+48
–   Deep Sjeng 3.0 64-bit 4CPU2923+19
−19		(−63)19 − 13
(+10−4=18)
59.4%
19.0 / 32
100.0%
+2
–   Toga II 1.4.1SE 4CPU2922+11
−11		(−64)18.5 − 15.5
(+11−8=15)
54.4%
18.5 / 34
100.0%
−35
–   Cheese 3.2.1 64-bit2922+16
−16		(−64)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+228
–   Protector 1.4.0 64-bit2922+11
−11		(−64)5.5 − 2.5
(+4−1=3)		68.8%
5.5 / 8
100.0%
+70
–   Naum 2.2 64-bit 4CPU2921+15
−15		(−65)30.5 − 19.5
(+17−6=27)
61.0%
30.5 / 50
100.0%
+10
–   DiscoCheck 5.2 64-bit2918+15
−15		(−68)5 − 5
(+3−3=4)		50.0%
5.0 / 10
100.0%
−67
–   Booot 5.2.0 64-bit2912+13
−13		(−74)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
100.0%
−35
–   Toga II 1.4 beta5c 4CPU2902+16
−16		(−84)35.5 − 20.5
(+20−5=31)
63.4%
35.5 / 56
100.0%
+3
–   Jet 1.1 64-bit2897+18
−18		(−89)13.5 − 6.5
(+10−3=7)		67.5%
13.5 / 20
100.0%
+44
–   Hiarcs 11.1 4CPU2893+15
−15		(−93)34 − 17
(+20−3=28)
66.7%
34.0 / 51
100.0%
+16
–   Thinker 5.4d Inert 64-bit2881+13
−13		(−105)12 − 4
(+9−1=6)		75.0%
12.0 / 16
100.0%
+77
–   Naum 3.1 32-bit2876+13
−13		(−110)55.5 − 24.5
(+38−7=35)
69.4%
55.5 / 80
100.0%
+27
–   Hiarcs 11.2 4CPU2876+23
−23		(−110)33 − 17
(+22−6=22)
66.0%
33.0 / 50
100.0%
+5
–   Naum 3.1 64-bit2875+16
−16		(−111)37 − 18
(+23−4=28)
67.3%
37.0 / 55
100.0%
+4
–   Naum 3 64-bit2873+15
−15		(−113)23 − 11
(+14−2=18)
67.6%
23.0 / 34
100.0%
+9
–   Naum 3 32-bit2869+14
−14		(−117)33.5 − 12.5
(+22−1=23)
72.8%
33.5 / 46
100.0%
+36
–   Fritz 112868+9
−9		(−118)38.5 − 15.5
(+24−1=29)
71.3%
38.5 / 54
100.0%
+23
–   Zappa Mexico II 64-bit2867+8
−8		(−119)37 − 17
(+25−5=24)
68.5%
37.0 / 54
100.0%
+12
–   Loop M1-T 64-bit 4CPU2861+10
−10		(−125)37.5 − 17.5
(+30−10=15)
68.2%
37.5 / 55
100.0%
+19
–   Deep Shredder 11 64-bit2858+13
−13		(−128)13.5 − 7.5
(+7−1=13)		64.3%
13.5 / 21
100.0%
−33
–   Protector 1.3.4 64-bit2858+20
−20		(−128)3.5 − 1.5
(+2−0=3)		70.0%
3.5 / 5
100.0%
+7
–   Thinker 5.3b Inert 64-bit2857+21
−21		(−129)37 − 12
(+28−3=18)
75.5%
37.0 / 49
100.0%
+55
–   Critter 0.60 64-bit2855+21
−21		(−131)1 − 1
(+1−1=0)		50.0%
1.0 / 2
100.0%
−130
–   Spark 0.3 64-bit2849+15
−15		(−137)5.5 − 0.5
(+5−0=1)		91.7%
5.5 / 6
100.0%
+217
–   Shredder 112847+10
−10		(−139)20 − 12
(+13−5=14)
62.5%
20.0 / 32
100.0%
−48
–   Zappa Mexico 64-bit2846+13
−13		(−140)41 − 17
(+27−3=28)
70.7%
41.0 / 58
100.0%
+2
–   Deep Sjeng 3.0 64-bit2843+18
−18		(−143)33 − 17
(+23−7=20)
66.0%
33.0 / 50
100.0%
−26
–   Bright 0.3a 4CPU2839+16
−16		(−147)22.5 − 10.5
(+14−2=17)
68.2%
22.5 / 33
100.0%
−23
–   Toga II 1.4.1SE2839+10
−10		(−147)63 − 23
(+45−5=36)
73.3%
63.0 / 86
100.0%
+17
–   Grapefruit 1.0 32-bit2838+8
−8		(−148)2.5 − 2.5
(+1−1=3)		50.0%
2.5 / 5
100.0%
−156
–   Critter 0.52b 64-bit2825+23
−23		(−161)3 − 0
(+3−0=0)		100.0%
3.0 / 3
100.0%
+INF
–   Hiarcs 12 Sharpen PV On2824+12
−12		(−162)27.5 − 10.5
(+20−3=15)
72.4%
27.5 / 38
100.0%
−1
–   Hiarcs 122820+12
−12		(−166)52 − 25
(+36−9=32)
67.5%
52.0 / 77
100.0%
−40
–   Bright 0.2c 4CPU2815+18
−18		(−171)28.5 − 8.5
(+21−1=15)
77.0%
28.5 / 37
100.0%
+22
–   Toga II 1.4 beta5c2814+20
−20		(−172)21.5 − 10.5
(+13−2=17)
67.2%
21.5 / 32
100.0%
−56
–   Naum 2.2 64-bit2807+23
−23		(−179)24 − 12
(+14−2=20)
66.7%
24.0 / 36
100.0%
−71
–   Naum 2.2 32-bit2804+13
−13		(−182)24 − 7
(+20−3=8)
77.4%
24.0 / 31
100.0%
+29
–   Hiarcs 11.12800+13
−13		(−186)30 − 8
(+25−3=10)
78.9%
30.0 / 38
100.0%
+41
–   Toga II 1.3.12798+10
−10		(−188)36 − 9
(+27−0=18)
80.0%
36.0 / 45
100.0%
+25
–   Loop 13.6 (Loop 2007) 64-bit2796+13
−13		(−190)32 − 7
(+26−1=12)
82.1%
32.0 / 39
100.0%
+49
–   Fruit 2.3.12794+12
−12		(−192)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−25
–   Loop M1-T 64-bit2791+21
−21		(−195)34.5 − 11.5
(+25−2=19)
75.0%
34.5 / 46
100.0%
−20
–   Fritz 102788+13
−13		(−198)57 − 18
(+47−8=20)
76.0%
57.0 / 75
100.0%
+5
–   Bright 0.5c2786+11
−11		(−200)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−37
–   Fruit 05/11/032781+18
−18		(−205)9 − 3
(+7−1=4)		75.0%
9.0 / 12
100.0%
−22
–   Shredder 102780+11
−11		(−206)24.5 − 7.5
(+18−1=13)
76.6%
24.5 / 32
100.0%
−17
–   Loop 13.6 (Loop 2007)2780+8
−8		(−206)25 − 5
(+21−1=8)
83.3%
25.0 / 30
100.0%
+51
–   Twisted Logic 20100131x 64-bit2778+13
−13		(−208)2 − 2
(+0−0=4)		50.0%
2.0 / 4
100.0%
−208
–   Hiarcs 11.22778+16
−16		(−208)39 − 13
(+31−5=16)
75.0%
39.0 / 52
100.0%
−20
–   Strelka 1.8 32-bit2776+16
−16		(−210)24.5 − 7.5
(+17−0=15)
76.6%
24.5 / 32
100.0%
−29
–   Glaurung 2.1 32-bit2775+15
−15		(−211)21.5 − 8.5
(+15−2=13)
71.7%
21.5 / 30
100.0%
−60
–   Glaurung 2.1 64-bit2772+15
−15		(−214)9 − 3
(+6−0=6)		75.0%
9.0 / 12
100.0%
−42
–   Toga II 1.3.42769+23
−23		(−217)29 − 6
(+24−1=10)
82.9%
29.0 / 35
100.0%
+27
–   Toga II 1.2.1a 32-bit2766+10
−10		(−220)17 − 3
(+14−0=6)		85.0%
17.0 / 20
100.0%
+42
–   Deep Sjeng 2.72755+13
−13		(−231)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+56
–   Glaurung 2.0.1 64-bit2751+16
−16		(−235)38 − 7
(+31−0=14)
84.4%
38.0 / 45
100.0%
+21
–   Spike 1.2 Turin2750+6
−6		(−236)41 − 5
(+36−0=10)
89.1%
41.0 / 46
100.0%
+77
–   Junior 102750+11
−11		(−236)28 − 4
(+25−1=6)
87.5%
28.0 / 32
100.0%
+72
–   Glaurung 2.0.1 32-bit2742+14
−14		(−244)24.5 − 6.5
(+19−1=11)
79.0%
24.5 / 31
100.0%
−31
–   Bright 0.3b2740+20
−20		(−246)4.5 − 0.5
(+4−0=1)		90.0%
4.5 / 5
100.0%
+73
–   Bison 9.11 32-bit2730+12
−12		(−256)2 − 1
(+1−0=2)		66.7%
2.0 / 3
100.0%
−136
–   Ktulu 82709+7
−7		(−277)29 − 3
(+26−0=6)
90.6%
29.0 / 32
100.0%
+59
–   Chess Tiger 2007.12703+8
−8		(−283)27 − 10
(+22−5=10)
73.0%
27.0 / 37
100.0%
−105
–   Chess Tiger 20072680+11
−11		(−306)33 − 5
(+29−1=8)
86.8%
33.0 / 38
100.0%
−10
–   Bright 0.2c2663+22
−22		(−323)7.5 − 0.5
(+7−0=1)		93.8%
7.5 / 8
100.0%
+71
–   Alaric 7072654+9
−9		(−332)30 − 5
(+25−0=10)
85.7%
30.0 / 35
100.0%
−60
–   Scorpio 2.0 32-bit2652+14
−14		(−334)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
−46
–   Scorpio 1.842650+24
−24		(−336)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
–   Scorpio 1.812649+27
−27		(−337)29 − 2
(+27−0=4)
93.5%
29.0 / 31
100.0%
+49
3424 games: 1448 wins, 528 losses, 1448 draws (42.3%), score: 63.4%

Rating changes by day

Rating changes with played games

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