CCRL 40/15
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 1'244'261 games
played by 2'847 programs

White wins: 426'196 (34.3%)
Black wins: 313'011 (25.2%)
Draws: 505'054 (40.6%)
White score: 54.5%

Engine Details

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Houdini 1.5a 64-bit 4CPU (3181+17
−17
)Quote
Author: Robert Houdart (Belgium) Link: Homepage
Information: There is some concern in the chess community that some versions of Houdini may contain substantial parts of Stockfish code. These concerns have not been tested in a court of law, or reviewed by court-appointed independent experts.
This is one of the 19 Houdini versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   RubiChess 1.7.3 64-bit 4CPU3287+20
−20
(+106)10 − 22
(+3−15=14)
31.3%
10.0 / 32
0.0%
−8
–   Laser 1.7 64-bit 4CPU3284+13
−13
(+103)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.0%
−51
–   SlowChess Blitz Classic 2.1 64-bit 4CPU3272+22
−22
(+91)10 − 20
(+2−12=16)
33.3%
10.0 / 30
0.0%
−5
–   Andscacs 0.95 64-bit 4CPU3259+16
−16
(+78)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−25
–   Xiphos 0.4 64-bit 4CPU3248+19
−19
(+67)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
0.0%
+35
–   Wasp 4.50 64-bit 4CPU3233+23
−23
(+52)11.5 − 20.5
(+3−12=17)
35.9%
11.5 / 32
0.0%
−29
–   Arasan 22.2 64-bit 4CPU3230+28
−28
(+49)6 − 10
(+1−5=10)
37.5%
6.0 / 16
0.1%
−21
–   Houdini 3 64-bit 4CPU3230+13
−13
(+49)12.5 − 19.5
(+4−11=17)
39.1%
12.5 / 32
0.0%
−13
–   Arasan 21.4 64-bit 4CPU3215+25
−25
(+34)3.5 − 10.5
(+0−7=7)
25.0%
3.5 / 14
1.3%
−117
–   NirvanaChess 2.5 64-bit 4CPU3215+33
−33
(+34)9.5 − 8.5
(+3−2=13)
52.8%
9.5 / 18
3.4%
+47
–   Laser 1.6 64-bit 4CPU3214+16
−16
(+33)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.3%
+190
–   Schooner 2.1 64-bit 4CPU3211+23
−23
(+30)11 − 15
(+3−7=16)
42.3%
11.0 / 26
1.7%
−15
–   Schooner 2.0.34 64-bit 4CPU3198+20
−20
(+17)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
10.5%
+48
–   Arasan 21.3 64-bit 4CPU3194+30
−30
(+13)10 − 10
(+3−3=14)
50.0%
10.0 / 20
23.3%
+11
–   Xiphos 0.3 64-bit 4CPU3176+21
−21
(−5)8.5 − 11.5
(+3−6=11)
42.5%
8.5 / 20
62.6%
−50
–   RofChade 2.0 64-bit 4CPU3173+21
−21
(−8)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
70.4%
−32
–   Arasan 21.2 64-bit 4CPU3169+30
−30
(−12)5.5 − 4.5
(+2−1=7)
55.0%
5.5 / 10
74.2%
+12
–   ChessBrainVB 3.72 4CPU3165+30
−30
(−16)5 − 5
(+3−3=4)
50.0%
5.0 / 10
81.4%
−11
–   Critter 1.6a 64-bit 4CPU3157+8
−8
(−24)23.5 − 18.5
(+10−5=27)
56.0%
23.5 / 42
99.3%
+11
–   Rybka 4 64-bit 4CPU3146+10
−10
(−35)49 − 33
(+31−15=36)
59.8%
49.0 / 82
100.0%
+23
–   Critter 1.2 64-bit 4CPU3144+20
−20
(−37)15 − 17
(+7−9=16)
46.9%
15.0 / 32
99.8%
−55
–   Rybka 4.1 64-bit 4CPU3143+9
−9
(−38)26.5 − 19.5
(+16−9=21)
57.6%
26.5 / 46
100.0%
+10
–   Stockfish 2.3.1 64-bit 4CPU3141+19
−19
(−40)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
99.9%
+52
–   Stockfish 2.0.1 64-bit 4CPU3125+24
−24
(−56)40 − 31
(+23−14=34)
56.3%
40.0 / 71
100.0%
−17
–   Stockfish 1.9.1 64-bit 4CPU3115+22
−22
(−66)32.5 − 16.5
(+20−4=25)
66.3%
32.5 / 49
100.0%
+31
–   IvanHoe 9.46h 64-bit 4CPU3112+14
−14
(−69)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+220
–   Stockfish 2.1.1 64-bit 4CPU3111+27
−27
(−70)40 − 23
(+26−9=28)
63.5%
40.0 / 63
100.0%
+12
–   RobboLito 0.21Q 64-bit 4CPU3110+22
−22
(−71)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−3
–   Bouquet 1.6 64-bit 4CPU3107+21
−21
(−74)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−6
–   Sting SF 2 64-bit 4CPU3106+27
−27
(−75)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+74
–   Critter 1.01 64-bit 4CPU3086+27
−27
(−95)10.5 − 7.5
(+6−3=9)
58.3%
10.5 / 18
100.0%
−42
–   Critter 0.90 64-bit 4CPU3077+31
−31
(−104)36 − 13
(+27−4=18)
73.5%
36.0 / 49
100.0%
+49
–   Naum 4.2 64-bit 4CPU3060+10
−10
(−121)32 − 17
(+22−7=20)
65.3%
32.0 / 49
100.0%
−22
–   Protector 1.5.0 64-bit 4CPU3054+18
−18
(−127)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+162
–   Gull R375 64-bit 4CPU3037+22
−22
(−144)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+145
–   Deep Fritz 13 4CPU3033+16
−17
(−148)17.5 − 12.5
(+11−6=13)
58.3%
17.5 / 30
100.0%
−97
–   Hannibal 1.3 64-bit 4CPU3032+22
−22
(−149)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−66
–   Deep Shredder 12 64-bit 4CPU3016+10
−10
(−165)37 − 12
(+26−1=22)
75.5%
37.0 / 49
100.0%
−5
–   Rybka 2.3.2a 64-bit 4CPU3016+13
−13
(−165)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+62
–   Spike 1.4 Leiden 4CPU3015+11
−11
(−166)28 − 8
(+22−2=12)
77.8%
28.0 / 36
100.0%
+24
–   Deep Junior 12.5 64-bit 4CPU3011+23
−23
(−170)23.5 − 8.5
(+19−4=9)
73.4%
23.5 / 32
100.0%
−1
–   Hiarcs 13.2 4CPU2980+18
−18
(−201)25.5 − 6.5
(+22−3=7)
79.7%
25.5 / 32
100.0%
+23
–   Komodo 1.3 64-bit2971+19
−19
(−210)49 − 10
(+39−0=20)
83.1%
49.0 / 59
100.0%
+18
–   Spark 1.0 64-bit 4CPU2968+13
−13
(−213)26 − 6
(+20−0=12)
81.3%
26.0 / 32
100.0%
−3

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Created in 2005-2013 by CCRL team
Last games added on May 15, 2021