CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

Options
Show each game results
Viper 0.1 64-bit (2457+57
−58
)Quote
Author: Tord Romstad (Norway) Link: Homepage
This is the only Viper version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   Tornado 8.0 64-bit2825+11
−11
(+368)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Twisted Logic 20100131x 64-bit2766+10
−10
(+309)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Jonny 4.002762+6
−7
(+305)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Arminius 2018-12-23 64-bit2753+16
−16
(+296)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Chess Tiger 2007.12713+7
−7
(+256)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Francesca MAD 0.21 64-bit2691+20
−20
(+234)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Arminius 2017-01-01 64-bit2688+12
−12
(+231)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Alaric 7072663+7
−6
(+206)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Gandalf 7 64-bit2663+12
−13
(+206)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Phalanx XXV2653+12
−12
(+196)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   WyldChess 1.51 64-bit2631+13
−13
(+174)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   WildCat 82623+7
−7
(+166)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Movei 00.8.438 (10 10 10)2623+7
−7
(+166)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+166
1 0
–   Zarkov 6.552618+12
−12
(+161)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+19
0 =
–   Sloppy 0.2.2 64-bit2617+8
−8
(+160)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
0.0%
+417
1 = 1
–   DanaSah 7.32617+15
−15
(+160)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+129
=
–   Slow Chess Blitz WV2.12614+6
−6
(+157)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+39
= 0
–   Rotor 0.82613+10
−10
(+156)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Winter 0.2 64-bit2612+19
−19
(+155)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Ruffian 2.1.02610+8
−9
(+153)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Glass 2.0 64-bit2609+9
−9
(+152)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Monolith 0.4 64-bit2601+15
−15
(+144)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Floyd 0.9 64-bit2584+12
−12
(+127)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Coiled 0.6 64-bit2581+23
−23
(+124)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Muse 0.953 64-bit2581+11
−12
(+124)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+93
=
–   DanaSah 6.502577+14
−14
(+120)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Pseudo 0.7c2575+8
−8
(+118)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+148
=
–   SOS 5.12574+7
−7
(+117)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+86
=
–   Maverick 1.5 64-bit2569+12
−11
(+112)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Petir 4.9999992555+9
−9
(+98)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+128
=
–   Dorky 4.8 64-bit2548+16
−16
(+91)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.1%
−INF
0
–   AnMon 5.752539+7
−7
(+82)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.3%
+INF
1
–   Ghost 3 64-bit2538+18
−18
(+81)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.4%
+INF
1
–   Capivara LK 0.09b02g 64-bit2538+17
−17
(+81)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.4%
−36
= 0
–   Fridolin 2.00 64-bit2538+11
−11
(+81)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.3%
+111
= =
–   Hayabusa 0.11.7 64-bit2535+63
−63
(+78)1 − 1
(+1−1=0)
50.0%
1.0 / 2
3.5%
+107
0 1
–   Gogobello 1.1 64-bit2533+17
−17
(+76)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.6%
−INF
0
–   Betsabe II 1.752523+17
−17
(+66)0 − 1
(+0−1=0)
0.0%
0.0 / 1
1.5%
−INF
0
–   Coiled 0.4 64-bit2508+15
−15
(+51)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
4.6%
+20
=
–   Dorky 4.5 64-bit2505+14
−14
(+48)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
5.8%
+62
1 = 0
–   Yace 0.99.872503+7
−7
(+46)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
5.9%
+187
1 =
–   Trace 1.37a2500+7
−7
(+43)0 − 2
(+0−2=0)
0.0%
0.0 / 2
7.4%
−INF
0 0
–   Bruja 1.9.1 64-bit2490+9
−10
(+33)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
13.5%
−122
= 0
–   Tao 5.62486+9
−9
(+29)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
17.0%
−186
0 0 =
–   Gothmog 1.0b102482+16
−16
(+25)0 − 1
(+0−1=0)
0.0%
0.0 / 1
20.8%
−INF
0
–   Drosophila 1.5.1 64-bit2479+15
−15
(+22)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
23.3%
+52
=
–   ECE X22474+20
−20
(+17)1 − 0
(+1−0=0)
100.0%
1.0 / 1
30.1%
+INF
1
–   Xpdnt 0910072469+12
−12
(+12)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
35.4%
+42
=
–   LittleThought 1.052 64-bit2453+9
−9
(−4)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
56.0%
−34
=
–   Matacz 1.42446+9
−9
(−11)1 − 0
(+1−0=0)
100.0%
1.0 / 1
65.6%
+INF
1
–   MadChess 2.2 64-bit2437+14
−14
(−20)1 − 0
(+1−0=0)
100.0%
1.0 / 1
75.7%
+INF
1
–   Bumblebee 1.0 64-bit2435+18
−18
(−22)0 − 1
(+0−1=0)
0.0%
0.0 / 1
76.9%
−INF
0
–   King of Kings 2.562433+9
−9
(−24)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
79.5%
−54
=
–   Nemeton 1.82432+15
−15
(−25)1 − 0
(+1−0=0)
100.0%
1.0 / 1
79.8%
+INF
1
–   Delphil 3.2 64-bit2430+14
−14
(−27)0 − 1
(+0−1=0)
0.0%
0.0 / 1
82.0%
−INF
0
–   Eeyore 1.52 64-bit2427+10
−10
(−30)1 − 0
(+1−0=0)
100.0%
1.0 / 1
85.2%
+INF
1
–   Gaia 3.5 64-bit2425+8
−8
(−32)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
86.7%
−62
=
–   Gromit 3.822423+17
−17
(−34)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
87.0%
−64
=
–   Dragon 4.62419+8
−8
(−38)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
90.5%
+30
1 1 = 0
–   Hussar 0.42418+9
−9
(−39)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
90.8%
−69
=
–   Orion 0.4 64-bit2418+18
−18
(−39)1 − 0
(+1−0=0)
100.0%
1.0 / 1
90.1%
+INF
1
–   Simplex 0.9.8 64-bit2409+10
−10
(−48)2 − 0
(+2−0=0)
100.0%
2.0 / 2
94.8%
+INF
1 1
–   Ifrit m1.8 64-bit2401+11
−11
(−56)1 − 0
(+1−0=0)
100.0%
1.0 / 1
97.2%
+INF
1
–   TJchess 1.3 64-bit2399+14
−15
(−58)1 − 0
(+1−0=0)
100.0%
1.0 / 1
97.5%
+INF
1
–   Galjoen 0.39 64-bit2393+15
−15
(−64)0 − 1
(+0−1=0)
0.0%
0.0 / 1
98.4%
−INF
0
–   PostModernist 10162389+10
−10
(−68)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.0%
−98
=
–   Myrddin 0.87 64-bit2380+12
−12
(−77)1 − 0
(+1−0=0)
100.0%
1.0 / 1
99.5%
+INF
1
–   Cmcchess 2.6 64-bit2378+12
−12
(−79)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.6%
−109
=
–   Patzer 3.802374+9
−9
(−83)0 − 1
(+0−1=0)
0.0%
0.0 / 1
99.8%
−INF
0
–   Terra 3.42368+10
−10
(−89)2 − 1
(+2−1=0)
66.7%
2.0 / 3
99.9%
+87
1 0 1
–   The Crazy Bishop 00522363+8
−8
(−94)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
1 1
–   Alex 2.14a 64-bit2347+10
−10
(−110)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−139
1 0
–   Tigran 2.4n 64-bit2346+11
−11
(−111)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Mediocre 0.5 64-bit2319+12
−12
(−138)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Barbarossa 0.4.0 64-bit2319+12
−12
(−138)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Jazz 840 64-bit2317+20
−20
(−140)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Absolute Zero 2.4.7.2 64-bit2316+12
−12
(−141)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
0
1 =
–   Aice 0.99.22315+9
−9
(−142)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−111
=
–   Joker 1.1.142306+13
−13
(−151)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−181
=
–   Tytan 9.32 64-bit2304+13
−13
(−153)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   KnightX 1.922297+8
−8
(−160)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Waxman 20162290+18
−18
(−167)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−197
=
–   Fischerle 0.9.80 SE 64-bit2279+16
−16
(−178)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   KMTChess 1.2.1 64-bit2260+17
−17
(−197)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   GopherCheck 0.2.3 64-bit2237+14
−14
(−220)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RamJet 0.132219+16
−16
(−238)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Atak 6.82183+10
−10
(−274)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Chess4j 3.2 64-bit1957+15
−15
(−500)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Rocinante 2.0 64-bit (mcts)1745+18
−18
(−712)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 July 20, 2019