CCRL 40/4
Downloads and Statistics
May 19, 2019
Testing summary:
Total: 2'021'465 games
played by 2'345 programs
27203 CPU days (X2 4600+)

White wins: 786'446 (38.9%)
Black wins: 635'703 (31.4%)
Draws: 599'316 (29.6%)
White score: 53.7%

Engine Details

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Show each game results
Viper 0.1 64-bit (2459+60
−61
)Quote
Author: Tord Romstad (Norway) Link: Homepage
This is the only Viper version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   Tornado 8.0 64-bit2825+11
−11
(+366)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Twisted Logic 20100131x 64-bit2767+10
−10
(+308)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Arminius 2018-12-23 64-bit2756+18
−18
(+297)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Jonny 4.002756+7
−7
(+297)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Chess Tiger 2007.12713+7
−7
(+254)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Francesca MAD 0.21 64-bit2692+20
−20
(+233)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Arminius 2017-01-01 64-bit2688+12
−12
(+229)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Gandalf 7 64-bit2667+13
−13
(+208)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Phalanx XXV2655+13
−13
(+196)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Movei 00.8.438 (10 10 10)2623+7
−7
(+164)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   WildCat 82623+7
−7
(+164)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Zarkov 6.552619+12
−12
(+160)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+18
0 =
–   Sloppy 0.2.2 64-bit2617+7
−8
(+158)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
0.0%
+415
1 = 1
–   Slow Chess Blitz WV2.12615+6
−6
(+156)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+38
= 0
–   Rotor 0.82613+10
−10
(+154)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Winter 0.2 64-bit2612+19
−19
(+153)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Glass 2.0 64-bit2609+9
−9
(+150)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Monolith 0.4 64-bit2601+15
−15
(+142)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Coiled 0.6 64-bit2586+24
−24
(+127)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Floyd 0.9 64-bit2585+12
−12
(+126)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Muse 0.953 64-bit2582+12
−12
(+123)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+92
=
–   DanaSah 6.502577+14
−14
(+118)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Pseudo 0.7c2576+8
−8
(+117)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+147
=
–   Petir 4.9999992555+8
−9
(+96)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.1%
+126
=
–   Capivara LK 0.09b02g 64-bit2543+18
−18
(+84)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.4%
+114
=
–   AnMon 5.752539+7
−7
(+80)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.5%
+INF
1
–   Fridolin 2.00 64-bit2538+11
−11
(+79)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.6%
+109
= =
–   Ghost 3 64-bit2538+18
−18
(+79)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.7%
+INF
1
–   Gogobello 1.1 64-bit2533+17
−17
(+74)0 − 1
(+0−1=0)
0.0%
0.0 / 1
1.0%
−INF
0
–   Betsabe II 1.752523+17
−17
(+64)0 − 1
(+0−1=0)
0.0%
0.0 / 1
2.2%
−INF
0
–   Hayabusa 0.11.7 64-bit2523+68
−67
(+64)0 − 1
(+0−1=0)
0.0%
0.0 / 1
8.2%
−INF
0
–   Coiled 0.4 64-bit2508+15
−15
(+49)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
6.0%
+18
=
–   Dorky 4.5 64-bit2504+14
−14
(+45)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
7.5%
+59
1 = 0
–   Yace 0.99.872503+7
−8
(+44)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
7.7%
+185
1 =
–   Trace 1.37a2501+7
−7
(+42)0 − 2
(+0−2=0)
0.0%
0.0 / 2
8.9%
−INF
0 0
–   Bruja 1.9.1 64-bit2489+10
−10
(+30)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
16.9%
−125
= 0
–   Tao 5.62486+9
−9
(+27)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
18.9%
−188
0 0 =
–   Drosophila 1.5.1 64-bit2481+15
−15
(+22)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
24.4%
+52
=
–   Gothmog 1.0b102478+17
−17
(+19)0 − 1
(+0−1=0)
0.0%
0.0 / 1
27.3%
−INF
0
–   ECE X22473+20
−20
(+14)1 − 0
(+1−0=0)
100.0%
1.0 / 1
32.8%
+INF
1
–   Xpdnt 0910072467+12
−12
(+8)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
40.2%
+38
=
–   LittleThought 1.052 64-bit2454+9
−9
(−5)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
56.6%
−35
=
–   Matacz 1.42446+9
−9
(−13)1 − 0
(+1−0=0)
100.0%
1.0 / 1
66.9%
+INF
1
–   MadChess 2.2 64-bit2436+14
−14
(−23)1 − 0
(+1−0=0)
100.0%
1.0 / 1
76.8%
+INF
1
–   Bumblebee 1.0 64-bit2435+18
−18
(−24)0 − 1
(+0−1=0)
0.0%
0.0 / 1
77.5%
−INF
0
–   King of Kings 2.562433+9
−9
(−26)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
80.3%
−56
=
–   Nemeton 1.82432+15
−15
(−27)1 − 0
(+1−0=0)
100.0%
1.0 / 1
80.3%
+INF
1
–   Delphil 3.2 64-bit2431+14
−14
(−28)0 − 1
(+0−1=0)
0.0%
0.0 / 1
81.6%
−INF
0
–   Eeyore 1.52 64-bit2426+10
−10
(−33)1 − 0
(+1−0=0)
100.0%
1.0 / 1
85.4%
+INF
1
–   Gaia 3.5 64-bit2425+8
−8
(−34)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
86.6%
−64
=
–   Gromit 3.822422+18
−17
(−37)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
87.4%
−67
=
–   Hussar 0.42418+9
−9
(−41)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
90.9%
−71
=
–   Orion 0.4 64-bit2418+18
−18
(−41)1 − 0
(+1−0=0)
100.0%
1.0 / 1
90.1%
+INF
1
–   Dragon 4.62418+8
−8
(−41)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
90.5%
−55
1 0 =
–   Simplex 0.9.8 64-bit2410+11
−10
(−49)1 − 0
(+1−0=0)
100.0%
1.0 / 1
94.1%
+INF
1
–   Ifrit m1.8 64-bit2401+11
−11
(−58)1 − 0
(+1−0=0)
100.0%
1.0 / 1
96.9%
+INF
1
–   TJchess 1.3 64-bit2399+15
−15
(−60)1 − 0
(+1−0=0)
100.0%
1.0 / 1
97.2%
+INF
1
–   Galjoen 0.39 64-bit2393+15
−15
(−66)0 − 1
(+0−1=0)
0.0%
0.0 / 1
98.1%
−INF
0
–   PostModernist 10162389+10
−10
(−70)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
98.8%
−100
=
–   Myrddin 0.87 64-bit2379+12
−12
(−80)1 − 0
(+1−0=0)
100.0%
1.0 / 1
99.5%
+INF
1
–   Cmcchess 2.6 64-bit2375+12
−12
(−84)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.6%
−114
=
–   Patzer 3.802374+9
−9
(−85)0 − 1
(+0−1=0)
0.0%
0.0 / 1
99.7%
−INF
0
–   Terra 3.42368+10
−10
(−91)2 − 1
(+2−1=0)
66.7%
2.0 / 3
99.8%
+85
1 1 0
–   The Crazy Bishop 00522364+8
−8
(−95)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
1 1
–   Alex 2.14a 64-bit2347+10
−10
(−112)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−141
1 0
–   Tigran 2.4n 64-bit2345+11
−11
(−114)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Barbarossa 0.4.0 64-bit2319+12
−12
(−140)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Jazz 840 64-bit2317+20
−20
(−142)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Mediocre 0.5 64-bit2316+12
−12
(−143)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Absolute Zero 2.4.7.2 64-bit2316+13
−13
(−143)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−1
1 =
–   Aice 0.99.22315+9
−9
(−144)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−113
=
–   Joker 1.1.142307+13
−13
(−152)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−182
=
–   Tytan 9.32 64-bit2304+13
−13
(−155)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   KnightX 1.922297+8
−8
(−162)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Waxman 20162289+18
−18
(−170)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−200
=
–   Fischerle 0.9.80 SE 64-bit2280+16
−16
(−179)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   KMTChess 1.2.1 64-bit2260+17
−17
(−199)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   GopherCheck 0.2.3 64-bit2237+14
−14
(−222)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RamJet 0.132220+16
−16
(−239)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Atak 6.82183+10
−10
(−276)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Chess4j 3.2 64-bit1957+15
−15
(−502)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Rocinante 2.0 64-bit (mcts)1745+18
−18
(−714)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1

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Created in 2005-2013 by CCRL team
Last games added on May 19, 2019