CCRL 40/4
Downloads and Statistics
December 14, 2019
Testing summary:
Total: 2'147'837 games
played by 2'515 programs
29208 CPU days (X2 4600+)

White wins: 831'895 (38.7%)
Black wins: 671'656 (31.3%)
Draws: 644'286 (30.0%)
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-bit2827+10
−11
(+370)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Twisted Logic 20100131x 64-bit2766+10
−10
(+309)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Jonny 4.002762+6
−6
(+305)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Arminius 2018-12-23 64-bit2753+15
−15
(+296)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Chess Tiger 2007.12713+7
−7
(+256)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Francesca MAD 0.21 64-bit2691+20
−20
(+234)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Arminius 2017-01-01 64-bit2688+12
−12
(+231)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Gandalf 7 64-bit2663+12
−13
(+206)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
–   Alaric 7072663+7
−7
(+206)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Phalanx XXV2653+12
−12
(+196)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   WyldChess 1.51 64-bit2630+13
−13
(+173)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   WildCat 82623+7
−7
(+166)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Movei 00.8.438 (10 10 10)2622+7
−7
(+165)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+165
–   Zarkov 6.552617+12
−12
(+160)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+18
–   DanaSah 7.32617+15
−15
(+160)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+129
–   Sloppy 0.2.2 64-bit2616+7
−8
(+159)2.5 − 0.5
(+2−0=1)
83.3%
2.5 / 3
0.0%
+416
–   Slow Chess Blitz WV2.12615+6
−6
(+158)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
+40
–   Winter 0.2 64-bit2612+19
−19
(+155)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Rotor 0.82611+10
−10
(+154)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
–   Glass 2.0 64-bit2611+9
−9
(+154)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Ruffian 2.1.02608+9
−9
(+151)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Monolith 0.4 64-bit2601+15
−15
(+144)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Coiled 0.6 64-bit2585+22
−22
(+128)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.0%
+INF
–   Floyd 0.9 64-bit2583+12
−12
(+126)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Muse 0.953 64-bit2582+11
−11
(+125)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+94
–   DanaSah 6.502577+14
−14
(+120)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Pseudo 0.7c2576+8
−8
(+119)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+149
–   SOS 5.12573+7
−7
(+116)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
0.0%
+85
–   Maverick 1.5 64-bit2569+11
−11
(+112)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   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-bit2547+16
−16
(+90)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.1%
−INF
–   AnMon 5.752539+7
−7
(+82)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.3%
+INF
–   Ghost 3 64-bit2538+18
−18
(+81)1 − 0
(+1−0=0)
100.0%
1.0 / 1
0.4%
+INF
–   Fridolin 2.00 64-bit2538+11
−11
(+81)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.3%
+111
–   Capivara LK 0.09b02g 64-bit2537+17
−17
(+80)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.4%
−37
–   Hayabusa 0.11.7 64-bit2535+63
−63
(+78)1 − 1
(+1−1=0)
50.0%
1.0 / 2
3.5%
+107
–   Gogobello 1.1 64-bit2533+17
−17
(+76)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.6%
−INF
–   Betsabe II 1.752523+17
−17
(+66)0 − 1
(+0−1=0)
0.0%
0.0 / 1
1.5%
−INF
–   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
–   Yace 0.99.872503+7
−7
(+46)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
5.8%
+187
–   Trace 1.37a2500+7
−7
(+43)0 − 2
(+0−2=0)
0.0%
0.0 / 2
7.4%
−INF
–   Bruja 1.9.1 64-bit2490+9
−10
(+33)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
13.2%
−122
–   Tao 5.62486+9
−9
(+29)0.5 − 2.5
(+0−2=1)
16.7%
0.5 / 3
16.6%
−186
–   Gothmog 1.0b102482+16
−16
(+25)0 − 1
(+0−1=0)
0.0%
0.0 / 1
20.5%
−INF
–   Drosophila 1.5.1 64-bit2479+15
−15
(+22)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
23.4%
+52
–   ECE X22474+20
−20
(+17)1 − 0
(+1−0=0)
100.0%
1.0 / 1
29.9%
+INF
–   Xpdnt 0910072469+12
−12
(+12)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
35.3%
+42
–   LittleThought 1.052 64-bit2452+9
−9
(−5)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
57.4%
−35
–   Matacz 1.42446+8
−8
(−11)1 − 0
(+1−0=0)
100.0%
1.0 / 1
65.4%
+INF
–   MadChess 2.2 64-bit2436+14
−14
(−21)1 − 0
(+1−0=0)
100.0%
1.0 / 1
76.8%
+INF
–   Bumblebee 1.0 64-bit2435+18
−18
(−22)0 − 1
(+0−1=0)
0.0%
0.0 / 1
76.9%
−INF
–   King of Kings 2.562434+9
−9
(−23)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
79.2%
−53
–   Nemeton 1.82433+15
−15
(−24)1 − 0
(+1−0=0)
100.0%
1.0 / 1
79.6%
+INF
–   Delphil 3.2 64-bit2432+14
−14
(−25)0 − 1
(+0−1=0)
0.0%
0.0 / 1
80.6%
−INF
–   Eeyore 1.52 64-bit2427+10
−10
(−30)1 − 0
(+1−0=0)
100.0%
1.0 / 1
85.1%
+INF
–   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
–   Hussar 0.42419+9
−9
(−38)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
90.2%
−68
–   Orion 0.4 64-bit2418+18
−18
(−39)1 − 0
(+1−0=0)
100.0%
1.0 / 1
90.0%
+INF
–   Dragon 4.62417+8
−8
(−40)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
91.4%
+28
–   Simplex 0.9.8 64-bit2409+10
−10
(−48)2 − 0
(+2−0=0)
100.0%
2.0 / 2
94.9%
+INF
–   Ifrit m1.8 64-bit2404+11
−11
(−53)1 − 0
(+1−0=0)
100.0%
1.0 / 1
96.6%
+INF
–   TJchess 1.3 64-bit2398+14
−14
(−59)1 − 0
(+1−0=0)
100.0%
1.0 / 1
97.6%
+INF
–   Galjoen 0.39 64-bit2393+15
−15
(−64)0 − 1
(+0−1=0)
0.0%
0.0 / 1
98.4%
−INF
–   PostModernist 10162389+10
−10
(−68)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
99.0%
−98
–   Myrddin 0.87 64-bit2381+12
−12
(−76)1 − 0
(+1−0=0)
100.0%
1.0 / 1
99.5%
+INF
–   Cmcchess 2.6 64-bit2378+12
−11
(−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
–   Terra 3.42368+10
−10
(−89)2 − 1
(+2−1=0)
66.7%
2.0 / 3
99.9%
+87
–   The Crazy Bishop 00522364+9
−8
(−93)2 − 0
(+2−0=0)
100.0%
2.0 / 2
99.9%
+INF
–   Alex 2.14a 64-bit2348+10
−10
(−109)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−138
–   Tigran 2.4n 64-bit2346+11
−11
(−111)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
–   Mediocre 0.5 64-bit2320+12
−12
(−137)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
–   Jazz 840 64-bit2320+19
−19
(−137)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Barbarossa 0.4.0 64-bit2318+12
−12
(−139)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
–   Absolute Zero 2.4.7.2 64-bit2317+12
−12
(−140)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+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
–   KnightX 1.922297+8
−8
(−160)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
–   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
–   KMTChess 1.2.1 64-bit2260+17
−17
(−197)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   GopherCheck 0.2.3 64-bit2235+14
−14
(−222)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   RamJet 0.132220+16
−16
(−237)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Atak 6.82183+10
−10
(−274)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Chess4j 3.2 64-bit1957+15
−15
(−500)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Rocinante 2.0 64-bit (mcts)1745+18
−18
(−712)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF

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Created in 2005-2013 by CCRL team
Last games added on December 14, 2019