CCRL Blitz
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 2'472'902 games
played by 2'944 programs

White wins: 950'998 (38.5%)
Black wins: 761'961 (30.8%)
Draws: 759'943 (30.7%)
White score: 53.8%

Engine Details

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Houdini 1.5a 64-bit (3170+11
−11		)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 14 Houdini versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 4.1 64-bit 4CPU3206+7
−7		(+36)18 − 32
(+5−19=26)
36.0%
18.0 / 50
0.0%
−44
0 = = = = 0 = 1 = = = 0 = 1 = 1 = 0 0 0 = 0 = = 0 = 0 = 0 0 0 = 0 = 0 0 = 0 = = 0 0 1 = = 0 = = = 1
–   Houdini 2.0c 64-bit3202+15
−15		(+32)20 − 31
(+11−22=18)
39.2%
20.0 / 51
0.0%
−40
0 = = = 0 0 1 1 1 0 1 = = = = 0 = 1 0 0 1 0 = 0 0 1 = 0 = 0 1 0 1 0 1 = 0 0 = = 0 0 = 0 = = 1 0 0 0 =
–   Rybka 4 64-bit 4CPU3198+11
−11		(+28)20 − 30
(+8−18=24)
40.0%
20.0 / 50
0.0%
−31
0 1 = = 0 = = 1 = = = 0 = 0 = = 0 = = 0 = 0 1 1 = = = = 0 0 = 0 0 = 0 1 = 0 1 0 0 = 0 1 0 = = 0 1 =
–   Stockfish 2.0.1 64-bit 4CPU3167+14
−14		(−3)23.5 − 26.5
(+14−17=19)
47.0%
23.5 / 50
63.0%
−22
= 0 0 0 1 0 = 0 = = = 0 = 0 1 = = = 1 = 1 0 1 0 1 = = 0 1 0 1 0 = 0 0 = 0 1 1 = = 0 = = 1 1 1 = 1 0
–   Critter 1.01 64-bit 4CPU3157+16
−16		(−13)25.5 − 24.5
(+15−14=21)
51.0%
25.5 / 50
90.9%
−8
= 0 = = = = 1 1 = 1 = = 0 = = 0 = 1 0 0 = 1 1 = = = 1 1 0 0 1 1 = = 1 0 1 = 1 0 1 1 = 0 0 0 = 0 = 0
–   Critter 1.4 64-bit3142+15
−15		(−28)27.5 − 23.5
(+18−14=19)
53.9%
27.5 / 51
99.9%
−1
1 = = 1 1 = = 1 0 0 0 1 1 = 1 0 0 = 0 1 = 0 0 0 = 0 0 0 = = 1 1 1 1 1 1 = = 0 0 1 = = = 1 1 = = = 1 =
–   Strelka 5.1 64-bit3142+20
−20		(−28)24 − 27
(+14−17=20)
47.1%
24.0 / 51
99.4%
−45
1 0 0 = 0 = 1 = = = 0 0 0 = = 0 1 = = 0 1 1 = 1 0 1 0 = 1 1 = = = = 0 = 0 1 = 0 1 0 0 = = 1 1 1 0 = 0
–   Critter 0.90 64-bit 4CPU3128+15
−15		(−42)16.5 − 17.5
(+11−12=11)
48.5%
16.5 / 34
100.0%
−51
= = 1 = 0 = 0 0 = 0 1 1 1 1 0 0 1 = = 1 1 0 0 0 0 0 = 1 1 = = 0 1 =
–   Komodo 4 64-bit3127+11
−11		(−43)59.5 − 41.5
(+42−24=35)
58.9%
59.5 / 101
100.0%
+16
1 = = = 1 0 = 0 = 1 = 0 = 1 = = = 0 0 0 0 0 0 = 0 = = 0 0 = 1 1 = 0 1 = 1 1 0 = 0 1 1 1 1 1 = = 0 = = 1 1 1 1 1 1 1 = 1 1 0 1 = 0 0 = = = 1 0 1 0 = 1 1 0 1 0 1 = 1 = 1 = = = 1 1 = 1 1 = 1 1 0 = 1 1 1 1
–   Critter 1.2 64-bit3120+16
−16		(−50)50.5 − 37.5
(+31−18=39)
57.4%
50.5 / 88
100.0%
−2
= = 1 1 1 = = 1 = 1 0 = 0 1 = = 1 = 0 1 0 1 = 1 1 1 = 1 1 = 0 1 = 1 0 1 = = 0 1 = = = = = 1 0 1 = 0 = 1 = 1 0 = = = 1 1 1 1 = 0 1 1 = = = = = 0 = = 0 1 = 1 = 0 0 1 = 0 0 = = 0
–   Stockfish 2.2.2 64-bit3115+14
−14		(−55)60 − 41
(+37−18=46)
59.4%
60.0 / 101
100.0%
+2
= = = = 1 = = 0 0 1 0 1 = 1 1 = = 0 0 = 1 1 = 0 0 0 1 = = 1 = = 1 = 1 = 0 = 1 1 = 1 1 1 = = 1 = 0 0 1 1 1 = 1 = 0 = = = 0 1 = 1 1 1 = = 0 1 = 1 1 0 = = = = = 1 1 = = = = 0 1 = 1 1 = = 0 1 1 1 = = 1 = 0
–   Rybka 4.1 64-bit3110+6
−6		(−60)86 − 63
(+52−29=68)
57.7%
86.0 / 149
100.0%
−12
= 0 0 0 1 0 0 1 = = 1 1 1 0 0 = 0 1 1 0 = = 0 1 1 1 = 1 = = 1 = 0 1 = = = 1 = 1 = 1 1 1 1 = = = = 1 = = 1 0 = 1 0 1 = 0 1 0 1 = 0 1 1 = = 0 = 1 = = = = 1 1 = = = = 0 1 1 0 1 1 = 1 = = = = = 1 0 1 = = 1 1 = 1 0 = 1 0 1 1 1 = 0 = = 1 = 1 = = = = = 0 1 = 1 = 0 1 = = = 0 1 = = 0 = = 1 0 1 = 0 = = = =
–   Komodo 3 64-bit3109+10
−10		(−61)106 − 77
(+71−42=70)
57.9%
106.0 / 183
100.0%
−10
= 1 = 1 0 0 0 0 0 = 1 = 1 = 1 = = 0 1 = 1 = = 0 1 1 = = = 0 1 1 0 1 1 1 0 1 = 0 0 0 = 1 1 0 0 1 0 = 1 0 1 = 1 = = = = = 1 1 1 = = 1 = 1 = 0 0 = = = = 1 = 1 1 0 1 0 0 1 1 = 1 1 = = = 1 1 0 1 1 = 0 1 0 = = = 0 1 0 1 = 1 = 0 0 1 = 1 1 1 1 = 0 = 1 = = = 0 1 0 0 1 1 = = = 0 0 1 = = = 1 = 0 = = = 0 = = 1 1 1 0 = = 1 1 = = = 1 1 = = = 1 1 0 1 1 1 0 1 1 1 = 1 = 1 0 = 0 1
–   Rybka 4 64-bit3102+13
−13		(−68)21 − 13
(+14−6=14)
61.8%
21.0 / 34
100.0%
+9
= 1 1 0 = = 0 1 1 = 1 1 = = 1 = 0 1 = = 1 0 0 = 1 = 1 = 1 = 1 = 1 0
–   Naum 4.2 64-bit 4CPU3099+8
−8		(−71)41 − 29
(+28−16=26)
58.6%
41.0 / 70
100.0%
−15
1 = = = = = 1 1 1 0 0 1 = = 1 = 1 0 1 1 = 0 = = = 0 0 1 = 0 1 0 0 = 1 1 = 0 0 0 1 1 1 = 0 = = = 1 0 1 = 1 1 1 = = 0 1 0 1 = 1 1 = 1 = 1 = 1
–   Stockfish 2.1.1 64-bit3092+15
−15		(−78)44 − 36
(+27−19=34)
55.0%
44.0 / 80
100.0%
−47
= = = = = 0 1 1 1 = = 0 1 = = 0 = 1 = 1 0 1 = 1 1 0 1 = 1 = 0 = 0 = = = = 0 1 = 0 = = 1 = = 1 = = = = 0 0 1 = 1 1 1 = 1 1 0 0 1 0 1 = 1 = 1 0 0 = 1 1 0 = 1 0 0
–   Stockfish 2.0.1 64-bit3090+20
−20		(−80)41 − 25
(+31−15=20)
62.1%
41.0 / 66
100.0%
+1
1 0 0 = 1 0 = = 1 1 = = 1 0 = 0 1 = = 0 1 1 1 0 0 = 1 0 0 1 1 0 1 0 1 = = 1 1 = 1 1 1 = 1 1 1 = 1 1 = 1 0 1 0 = 1 1 = = = 0 1 1 1 =
–   Rybka 3 64-bit3078+9
−9		(−92)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
+2
= 1 1 = 0 = 1 = = = 1 = 1 0 = = 1 1 1 = = 1 = = = 1 1 = 1 = 1 0
–   Critter 1.01 64-bit3077+20
−19		(−93)7 − 9
(+3−5=8)		43.8%
7.0 / 16
100.0%
−127
= 1 0 = = = = 1 0 = = 0 1 = 0 0
–   Komodo 2.01 64-bit3072+15
−15		(−98)30.5 − 18.5
(+22−10=17)
62.2%
30.5 / 49
100.0%
−18
= = = = 1 0 1 = 1 1 0 1 0 0 1 1 0 1 0 = = = = 0 0 1 = = 1 1 1 0 0 1 = = = 1 1 1 1 1 = 1 1 1 1 = =
–   Komodo 2.03 64-bit3071+13
−14		(−99)52.5 − 26.5
(+37−11=31)
66.5%
52.5 / 79
100.0%
+7
1 = 1 1 1 1 0 1 0 1 = 0 1 0 1 0 1 = 1 0 = = 1 = = 0 = = 1 = = = 1 = 0 1 1 1 = = = = = = 1 1 0 = 1 1 1 1 1 0 = 1 1 = 1 1 1 = 1 = = = 1 1 1 = 0 = 1 = = 1 = 1 1
–   Stockfish 1.8 64-bit3058+20
−19		(−112)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+60
= 1 = 0 1 1 0 = 1 1 1 = 1 1 1 1 1 1 1 = 1 1 = 1 1 0 1 0 = 1 1 0
–   Stockfish 1.9.1 64-bit3054+20
−20		(−116)24 − 8
(+19−3=10)
75.0%
24.0 / 32
100.0%
+56
= = 1 1 1 = 1 1 1 0 = 0 1 = 1 1 1 1 1 = = 0 1 = 1 = 1 1 1 1 = 1
–   Critter 0.90 64-bit3049+16
−16		(−121)22.5 − 11.5
(+17−6=11)
66.2%
22.5 / 34
100.0%
−14
1 0 = = 1 0 = 0 = 1 1 = 1 1 1 0 1 1 1 = 1 1 1 1 = 0 = 1 1 0 = 1 = =
–   Deep Shredder 12 64-bit 4CPU3042+7
−7		(−128)33 − 17
(+25−9=16)
66.0%
33.0 / 50
100.0%
−19
1 = 1 1 1 1 1 = 0 1 1 0 1 1 1 = = 0 = 1 = 1 = = = 1 1 1 1 = = = 1 0 1 1 0 = 0 1 0 1 1 = = 1 0 1 = 0
–   Spike 1.4 Leiden 4CPU3040+8
−8		(−130)34.5 − 15.5
(+27−8=15)
69.0%
34.5 / 50
100.0%
+3
1 0 = 0 0 1 1 0 0 1 1 1 0 1 1 = = = = 1 1 1 1 = 1 = = = 1 = 1 1 1 = 1 = 1 0 0 = 1 1 1 1 1 = 1 1 1 =
–   Hiarcs 13.2 4CPU3034+13
−13		(−136)33 − 17
(+26−10=14)
66.0%
33.0 / 50
100.0%
−25
1 1 0 0 0 1 1 1 = 1 1 = 1 = 0 1 1 = = 0 0 1 1 1 1 0 1 1 1 1 = = 1 0 = = 1 = 0 1 1 1 = 1 0 1 1 = = =
–   Spark 1.0 64-bit 4CPU3027+8
−8		(−143)58.5 − 25.5
(+44−11=29)
69.6%
58.5 / 84
100.0%
−11
1 = 1 = 1 1 1 0 1 1 = 1 1 1 0 1 1 = 1 = 1 1 1 1 = 1 = = 0 = 1 = 1 = 1 0 1 1 1 1 1 0 = 1 = = 1 0 1 = = = 1 1 1 0 = = = = = 1 = = 1 1 1 = = 1 1 0 0 1 = 0 1 = 1 1 1 1 = 0
–   Deep Junior 12.5 64-bit 4CPU3014+16
−16		(−156)36 − 14
(+29−7=14)
72.0%
36.0 / 50
100.0%
0
= = 1 = 1 = = 1 1 1 1 1 1 = 1 0 1 = 1 1 = 0 0 0 1 = 1 0 1 1 1 = 1 0 1 1 0 1 = = 1 1 1 1 1 1 = = 1 1
–   Hiarcs 13.1 4CPU3010+12
−12		(−160)35.5 − 14.5
(+28−7=15)
71.0%
35.5 / 50
100.0%
−13
1 = 1 0 1 1 0 = = = 1 1 0 1 1 1 = 1 = = 1 1 1 1 = = = 0 = 1 1 1 = 1 = 1 0 1 1 1 = 0 1 1 0 1 1 = 1 1
–   Komodo 1.3 64-bit2994+12
−12		(−176)26.5 − 7.5
(+21−2=11)
77.9%
26.5 / 34
100.0%
+17
= = 1 1 1 1 0 = = 1 1 1 = 1 1 1 1 1 0 1 1 1 1 1 1 = = 1 = 1 = = 1 =
–   Critter 0.80 64-bit2991+21
−20		(−179)22 − 10
(+15−3=14)
68.8%
22.0 / 32
100.0%
−62
= 1 = = = 1 1 = = = 0 1 = 0 1 1 1 1 1 = 1 0 1 = 1 1 = 1 = = 1 =
–   Naum 4.2 64-bit2987+8
−8		(−183)63 − 17
(+49−3=28)
78.8%
63.0 / 80
100.0%
+12
1 = = = = 1 1 1 = 1 1 1 0 = = 1 = 1 = 1 = = 1 0 = 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 1 1 1 1 1 = = 0 = 1 1 = 1 1 1 = = 1 = 1
–   Fritz 132986+10
−10		(−184)19 − 1
(+18−0=2)		95.0%
19.0 / 20
100.0%
+266
1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1 1
–   Rybka 2.3.2a 64-bit2978+8
−8		(−192)26 − 6
(+22−2=8)
81.3%
26.0 / 32
100.0%
+42
= 1 1 1 0 1 1 1 1 = 0 1 = 1 1 1 1 = 1 = = 1 1 1 1 = 1 1 1 = 1 1
–   Zappa Mexico II 64-bit 4CPU2973+7
−7		(−197)36 − 14
(+29−7=14)
72.0%
36.0 / 50
100.0%
−42
1 = 1 0 1 1 1 1 = 1 = 1 1 = 1 1 1 1 0 1 = 1 1 1 = = 1 1 = 1 1 = = 1 0 1 1 1 0 1 0 = 1 = 0 = = 1 0 1
–   Protector 1.4.0 64-bit 4CPU2972+13
−13		(−198)42 − 8
(+39−5=6)
84.0%
42.0 / 50
100.0%
+93
= 1 1 0 1 1 = 1 1 1 = 1 0 1 1 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 = 0 1 1 0
–   Komodo 1.2 64-bit2967+12
−12		(−203)27.5 − 4.5
(+24−1=7)
85.9%
27.5 / 32
100.0%
+79
1 1 1 = 1 0 1 1 1 1 1 1 1 = 1 = 1 1 1 = 1 = 1 1 1 1 1 = 1 1 = 1
–   Onno 1.2.70 64-bit 4CPU2956+12
−12		(−214)42.5 − 7.5
(+37−2=11)
85.0%
42.5 / 50
100.0%
+58
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 1 1 1 1 1 = = 1 = = 1 = 1 0 1 1 1 0
–   Thinker 5.4c Inert 64-bit 4CPU2954+8
−8		(−216)40.5 − 9.5
(+35−4=11)
81.0%
40.5 / 50
100.0%
+20
0 1 1 = = 1 = 1 = 1 1 1 1 1 0 1 1 1 1 1 0 1 1 = = 1 1 1 1 = = = 0 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1
–   Gull 1.1 64-bit2944+13
−13		(−226)40 − 8
(+35−3=10)
83.3%
40.0 / 48
100.0%
+33
1 1 = 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 = 0 1 0 = 1 1 1
–   Deep Sjeng WC2008 64-bit 4CPU2941+8
−8		(−229)42.5 − 7.5
(+38−3=9)
85.0%
42.5 / 50
100.0%
+56
1 1 1 1 = 1 = 1 = = 1 1 1 1 1 = 1 0 1 1 1 1 1 0 1 1 = 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 = 1 = 1 1 0 1 1
–   Gull 1.0a 64-bit2938+12
−12		(−232)69.5 − 10.5
(+61−2=17)
86.9%
69.5 / 80
100.0%
+59
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 = = 1 = 1 = 1 1 1 0 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 1 1 1
–   Deep Sjeng 3.0 64-bit 4CPU2931+9
−9		(−239)41.5 − 8.5
(+34−1=15)
83.0%
41.5 / 50
100.0%
−1
= = = 1 1 1 1 = = 1 1 = 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
–   Spark 1.0 64-bit2926+7
−7		(−244)41 − 9
(+37−5=8)
82.0%
41.0 / 50
100.0%
+16
1 0 1 1 1 1 1 = 1 1 1 = 1 1 1 1 1 0 = 0 1 1 1 = 1 = = 1 1 1 1 1 1 = 1 1 1 1 1 1 0 1 1 0 = 1 1 1 1 1
–   Spike 1.4 Leiden2920+6
−7		(−250)41 − 7
(+37−3=8)
85.4%
41.0 / 48
100.0%
+40
1 1 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 0 1 = 1 0 1 1 1 1 = 1 = 1 1 = = = 1 1 1 1 1 1 1 1 1 1 1 1 = 0
–   Toga II 1.4 beta5c 4CPU2905+9
−9		(−265)42 − 8
(+38−4=8)
84.0%
42.0 / 50
100.0%
+14
= 1 0 1 = = 1 1 1 1 1 1 1 1 0 0 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
–   Protector 1.4.0 64-bit2889+14
−14		(−281)27 − 5
(+24−2=6)
84.4%
27.0 / 32
100.0%
−4
1 1 1 1 1 1 1 = = 1 1 1 = = 1 1 1 1 1 1 0 1 1 1 1 = 1 1 = 1 0 1
–   Thinker 5.4d Inert 64-bit2885+8
−8		(−285)36 − 4
(+33−1=6)
90.0%
36.0 / 40
100.0%
+64
1 1 = 1 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
–   Thinker 5.4c Inert 64-bit2883+9
−9		(−287)29.5 − 2.5
(+29−2=1)
92.2%
29.5 / 32
100.0%
+164
1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1
–   Hannibal 1.0a 64-bit2862+14
−14		(−308)28.5 − 3.5
(+26−1=5)
89.1%
28.5 / 32
100.0%
+27
= 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
–   Protector 1.3.5 64-bit2856+15
−15		(−314)31 − 1
(+30−0=2)
96.9%
31.0 / 32
100.0%
+216
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 1 1 1 1
–   Booot 5.1.02839+11
−11		(−331)29.5 − 2.5
(+28−1=3)
92.2%
29.5 / 32
100.0%
+76
1 1 0 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
–   Toga II 1.4.1SE2824+10
−10		(−346)27.5 − 4.5
(+25−2=5)
85.9%
27.5 / 32
100.0%
−44
1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 = 1 0 = 1 1 = 0 =
–   Fruit 2.32783+14
−14		(−387)32 − 2
(+30−0=4)
94.1%
32.0 / 34
100.0%
+34
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 1 1 1 = 1
–   Crafty 23.4 64-bit2782+12
−12		(−388)29.5 − 2.5
(+27−0=5)
92.2%
29.5 / 32
100.0%
−13
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 1
–   Spike 1.2 Turin2731+6
−6		(−439)30 − 4
(+26−0=8)
88.2%
30.0 / 34
100.0%
−139
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
–   Naum 2.0 64-bit2693+11
−11		(−477)33 − 1
(+32−0=2)
97.1%
33.0 / 34
100.0%
+62
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 1 1 1 1 1 1
3039 games: 1618 wins, 474 losses, 947 draws (31.2%), score: 68.8%

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Created in 2005-2013 by CCRL team
Last games added on February 27, 2021