CCRL 40/4
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 2'127'795 games
played by 2'486 programs
28766 CPU days (X2 4600+)

White wins: 825'412 (38.8%)
Black wins: 667'151 (31.4%)
Draws: 635'232 (29.9%)
White score: 53.7%

Engine Details

Options
Show each game results
Viper 0.1 64-bit (2458+57
−58
)Quote
Author: Tord Romstad (Norway) Link: Homepage
This is the only Viper version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   Tornado 8.0 64-bit2827+11
−11
(+369)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Twisted Logic 20100131x 64-bit2767+10
−10
(+309)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Jonny 4.002763+6
−7
(+305)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Arminius 2018-12-23 64-bit2755+15
−15
(+297)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Chess Tiger 2007.12713+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
(+234)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Arminius 2017-01-01 64-bit2688+12
−12
(+230)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Gandalf 7 64-bit2663+12
−13
(+205)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Alaric 7072663+7
−7
(+205)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Phalanx XXV2653+12
−12
(+195)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   WyldChess 1.51 64-bit2631+13
−13
(+173)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   WildCat 82624+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
(+165)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+165
1 0
–   Zarkov 6.552618+12
−12
(+160)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+18
0 =
–   DanaSah 7.32617+15
−15
(+159)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+128
=
–   Sloppy 0.2.2 64-bit2617+7
−8
(+159)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
0.0%
+416
1 1 =
–   Slow Chess Blitz WV2.12615+6
−6
(+157)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+39
= 0
–   Rotor 0.82613+10
−10
(+155)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Winter 0.2 64-bit2612+19
−19
(+154)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Glass 2.0 64-bit2611+9
−9
(+153)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Ruffian 2.1.02609+9
−9
(+151)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Monolith 0.4 64-bit2601+15
−15
(+143)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Coiled 0.6 64-bit2585+22
−22
(+127)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
1
–   Floyd 0.9 64-bit2584+12
−12
(+126)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Muse 0.953 64-bit2582+11
−11
(+124)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+93
=
–   DanaSah 6.502578+14
−14
(+120)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Pseudo 0.7c2576+8
−8
(+118)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+148
=
–   SOS 5.12574+7
−7
(+116)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+85
=
–   Maverick 1.5 64-bit2570+11
−11
(+112)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
0
–   Petir 4.9999992556+9
−9
(+98)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+128
=
–   Dorky 4.8 64-bit2547+16
−16
(+89)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.1%
−INF
0
–   AnMon 5.752539+7
−7
(+81)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.3%
+INF
1
–   Ghost 3 64-bit2538+18
−18
(+80)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.4%
+INF
1
–   Fridolin 2.00 64-bit2538+11
−11
(+80)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.3%
+110
= =
–   Capivara LK 0.09b02g 64-bit2537+17
−17
(+79)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.4%
−38
= 0
–   Hayabusa 0.11.7 64-bit2535+63
−63
(+77)1 − 1
(+1−1=0)
50.0%
1.0 / 2
3.5%
+106
0 1
–   Gogobello 1.1 64-bit2534+17
−17
(+76)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.6%
−INF
0
–   Betsabe II 1.752523+17
−17
(+65)0 − 1
(+0−1=0)
0.0%
0.0 / 1
1.5%
−INF
0
–   Coiled 0.4 64-bit2509+15
−15
(+51)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
4.5%
+20
=
–   Dorky 4.5 64-bit2505+14
−14
(+47)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
5.8%
+61
1 = 0
–   Yace 0.99.872504+7
−7
(+46)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
5.9%
+187
1 =
–   Trace 1.37a2500+7
−7
(+42)0 − 2
(+0−2=0)
0.0%
0.0 / 2
7.4%
−INF
0 0
–   Bruja 1.9.1 64-bit2491+9
−10
(+33)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
13.2%
−122
= 0
–   Tao 5.62486+9
−9
(+28)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
16.7%
−187
0 0 =
–   Gothmog 1.0b102483+16
−16
(+25)0 − 1
(+0−1=0)
0.0%
0.0 / 1
20.5%
−INF
0
–   Drosophila 1.5.1 64-bit2480+15
−15
(+22)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
23.4%
+52
=
–   ECE X22474+20
−20
(+16)1 − 0
(+1−0=0)
100.0%
1.0 / 1
29.9%
+INF
1
–   Xpdnt 0910072469+12
−12
(+11)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
35.3%
+41
=
–   LittleThought 1.052 64-bit2452+9
−9
(−6)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
57.4%
−36
=
–   Matacz 1.42446+9
−9
(−12)1 − 0
(+1−0=0)
100.0%
1.0 / 1
65.4%
+INF
1
–   MadChess 2.2 64-bit2436+14
−14
(−22)1 − 0
(+1−0=0)
100.0%
1.0 / 1
76.8%
+INF
1
–   Bumblebee 1.0 64-bit2435+18
−18
(−23)0 − 1
(+0−1=0)
0.0%
0.0 / 1
76.9%
−INF
0
–   King of Kings 2.562434+9
−9
(−24)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
79.2%
−54
=
–   Nemeton 1.82433+15
−15
(−25)1 − 0
(+1−0=0)
100.0%
1.0 / 1
79.7%
+INF
1
–   Delphil 3.2 64-bit2431+14
−14
(−27)0 − 1
(+0−1=0)
0.0%
0.0 / 1
81.1%
−INF
0
–   Eeyore 1.52 64-bit2427+10
−10
(−31)1 − 0
(+1−0=0)
100.0%
1.0 / 1
85.1%
+INF
1
–   Gaia 3.5 64-bit2425+8
−8
(−33)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
86.7%
−63
=
–   Gromit 3.822424+17
−17
(−34)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
87.0%
−64
=
–   Hussar 0.42420+9
−9
(−38)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
90.2%
−68
=
–   Orion 0.4 64-bit2419+18
−18
(−39)1 − 0
(+1−0=0)
100.0%
1.0 / 1
90.0%
+INF
1
–   Dragon 4.62418+8
−8
(−40)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
91.4%
+28
1 1 0 =
–   Simplex 0.9.8 64-bit2410+10
−10
(−48)2 − 0
(+2−0=0)
100.0%
2.0 / 2
94.9%
+INF
1 1
–   Ifrit m1.8 64-bit2404+11
−11
(−54)1 − 0
(+1−0=0)
100.0%
1.0 / 1
96.6%
+INF
1
–   TJchess 1.3 64-bit2399+14
−14
(−59)1 − 0
(+1−0=0)
100.0%
1.0 / 1
97.6%
+INF
1
–   Galjoen 0.39 64-bit2394+15
−15
(−64)0 − 1
(+0−1=0)
0.0%
0.0 / 1
98.4%
−INF
0
–   PostModernist 10162389+10
−10
(−69)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.0%
−99
=
–   Myrddin 0.87 64-bit2381+12
−12
(−77)1 − 0
(+1−0=0)
100.0%
1.0 / 1
99.5%
+INF
1
–   Cmcchess 2.6 64-bit2378+12
−11
(−80)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.6%
−110
=
–   Patzer 3.802375+9
−9
(−83)0 − 1
(+0−1=0)
0.0%
0.0 / 1
99.8%
−INF
0
–   Terra 3.42369+10
−10
(−89)2 − 1
(+2−1=0)
66.7%
2.0 / 3
99.9%
+87
1 1 0
–   The Crazy Bishop 00522364+8
−8
(−94)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
1 1
–   Alex 2.14a 64-bit2348+10
−10
(−110)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−139
1 0
–   Tigran 2.4n 64-bit2347+11
−11
(−111)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Jazz 840 64-bit2321+19
−19
(−137)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Mediocre 0.5 64-bit2321+12
−12
(−137)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Barbarossa 0.4.0 64-bit2319+12
−12
(−139)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Absolute Zero 2.4.7.2 64-bit2318+12
−12
(−140)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+1
1 =
–   Aice 0.99.22315+9
−9
(−143)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−112
=
–   Joker 1.1.142306+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
(−154)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   KnightX 1.922297+8
−8
(−161)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
0
–   Waxman 20162290+18
−18
(−168)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−198
=
–   Fischerle 0.9.80 SE 64-bit2280+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
(−198)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   GopherCheck 0.2.3 64-bit2235+14
−14
(−223)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RamJet 0.132220+16
−16
(−238)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Atak 6.82184+10
−10
(−274)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Chess4j 3.2 64-bit1957+15
−15
(−501)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Rocinante 2.0 64-bit (mcts)1745+18
−18
(−713)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 November 8, 2019