CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Engine Details

Options
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-bit2826+11
−11
(+367)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Twisted Logic 20100131x 64-bit2766+10
−10
(+307)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Jonny 4.002763+7
−6
(+304)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Arminius 2018-12-23 64-bit2753+16
−16
(+294)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Chess Tiger 2007.12714+7
−7
(+255)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-bit2663+12
−13
(+204)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Phalanx XXV2654+12
−12
(+195)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   WildCat 82623+7
−7
(+164)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
–   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+8
−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
−14
(+142)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   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
=
–   Coiled 0.6 64-bit2582+23
−23
(+123)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   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+9
−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
–   Ghost 3 64-bit2538+18
−18
(+79)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.7%
+INF
1
–   Fridolin 2.00 64-bit2538+12
−11
(+79)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.6%
+109
= =
–   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
2.3%
−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-bit2505+14
−14
(+46)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
7.4%
+60
1 = 0
–   Yace 0.99.872503+8
−8
(+44)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
7.8%
+185
1 =
–   Trace 1.37a2500+7
−7
(+41)0 − 2
(+0−2=0)
0.0%
0.0 / 2
9.3%
−INF
0 0
–   Bruja 1.9.1 64-bit2490+10
−9
(+31)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
15.9%
−124
= 0
–   Tao 5.62486+9
−9
(+27)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
19.7%
−188
0 0 =
–   Gothmog 1.0b102482+17
−17
(+23)0 − 1
(+0−1=0)
0.0%
0.0 / 1
23.7%
−INF
0
–   Drosophila 1.5.1 64-bit2479+15
−15
(+20)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
26.1%
+50
=
–   ECE X22474+20
−20
(+15)1 − 0
(+1−0=0)
100.0%
1.0 / 1
32.7%
+INF
1
–   Xpdnt 0910072468+12
−12
(+9)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
38.5%
+39
=
–   LittleThought 1.052 64-bit2453+9
−9
(−6)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
57.9%
−36
=
–   Matacz 1.42446+8
−8
(−13)1 − 0
(+1−0=0)
100.0%
1.0 / 1
66.8%
+INF
1
–   MadChess 2.2 64-bit2436+14
−14
(−23)1 − 0
(+1−0=0)
100.0%
1.0 / 1
76.7%
+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
79.9%
−56
=
–   Nemeton 1.82432+15
−15
(−27)1 − 0
(+1−0=0)
100.0%
1.0 / 1
80.2%
+INF
1
–   Delphil 3.2 64-bit2430+14
−14
(−29)0 − 1
(+0−1=0)
0.0%
0.0 / 1
82.2%
−INF
0
–   Eeyore 1.52 64-bit2426+10
−10
(−33)1 − 0
(+1−0=0)
100.0%
1.0 / 1
85.5%
+INF
1
–   Gaia 3.5 64-bit2425+9
−9
(−34)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
86.5%
−64
=
–   Gromit 3.822423+17
−17
(−36)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
87.0%
−66
=
–   Dragon 4.62419+8
−8
(−40)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
90.4%
−54
1 0 =
–   Orion 0.4 64-bit2418+18
−18
(−41)1 − 0
(+1−0=0)
100.0%
1.0 / 1
90.0%
+INF
1
–   Hussar 0.42418+10
−9
(−41)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
90.9%
−71
=
–   Simplex 0.9.8 64-bit2410+10
−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
−14
(−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
99.4%
+INF
1
–   Cmcchess 2.6 64-bit2376+12
−12
(−83)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.6%
−113
=
–   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+9
−9
(−95)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
1 1
–   Alex 2.14a 64-bit2348+10
−10
(−111)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−140
1 0
–   Tigran 2.4n 64-bit2346+11
−11
(−113)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Barbarossa 0.4.0 64-bit2320+12
−12
(−139)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Mediocre 0.5 64-bit2318+12
−12
(−141)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Jazz 840 64-bit2317+19
−20
(−142)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Aice 0.99.22316+9
−9
(−143)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−112
=
–   Absolute Zero 2.4.7.2 64-bit2316+12
−12
(−143)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−1
1 =
–   Joker 1.1.142306+13
−13
(−153)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−183
=
–   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 20162290+18
−18
(−169)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−199
=
–   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-bit2238+14
−14
(−221)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RamJet 0.132220+16
−15
(−239)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Atak 6.82184+10
−10
(−275)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

Rating changes by day

Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019