CCRL Blitz
Downloads and Statistics
September 19, 2020
Testing summary:
Total: 2'370'030 games
played by 2'800 programs

White wins: 913'140 (38.5%)
Black wins: 734'658 (31.0%)
Draws: 722'232 (30.5%)
White score: 53.8%

Engine Details

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K2 0.71 (2385+18
−18
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 9 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Mephisto Gideon Professional2473+11
−11
(+88)10 − 18
(+7−15=6)
35.7%
10.0 / 28
0.0%
−15
–   Cerebro 3.03d2471+8
−8
(+86)8.5 − 19.5
(+5−16=7)
30.4%
8.5 / 28
0.0%
−53
–   Dorky 4.3 64-bit2466+11
−11
(+81)10.5 − 16.5
(+7−13=7)
38.9%
10.5 / 27
0.0%
+5
–   Carballo 1.3 64-bit2454+19
−19
(+69)11 − 21
(+5−15=12)
34.4%
11.0 / 32
0.0%
−34
–   LittleThought 1.052 64-bit2453+9
−9
(+68)13 − 16
(+10−13=6)
44.8%
13.0 / 29
0.0%
+32
–   Counter 1.22447+10
−10
(+62)11 − 19
(+7−15=8)
36.7%
11.0 / 30
0.0%
−29
–   Matacz 1.42445+8
−8
(+60)12.5 − 16.5
(+9−13=7)
43.1%
12.5 / 29
0.0%
+7
–   SpiderChess 0706032439+7
−7
(+54)9.5 − 11.5
(+6−8=7)
45.2%
9.5 / 21
0.0%
+18
–   King of Kings 2.562433+9
−9
(+48)8.5 − 18.5
(+8−18=1)
31.5%
8.5 / 27
0.0%
−112
–   LambChop 10.992433+8
−8
(+48)11 − 18
(+8−15=6)
37.9%
11.0 / 29
0.0%
−38
–   Eeyore 1.52 64-bit2429+9
−9
(+44)13 − 15
(+10−12=6)
46.4%
13.0 / 28
0.0%
+17
–   Ares 1.005 64-bit2424+16
−16
(+39)10.5 − 15.5
(+5−10=11)
40.4%
10.5 / 26
0.1%
−21
–   Nejmet 3.072424+8
−8
(+39)10 − 16
(+7−13=6)
38.5%
10.0 / 26
0.0%
−47
–   Quark 2.352424+8
−8
(+39)12.5 − 17.5
(+9−14=7)
41.7%
12.5 / 30
0.0%
−21
–   Gaia 3.5 64-bit2424+8
−8
(+39)15.5 − 13.5
(+13−11=5)
53.4%
15.5 / 29
0.0%
+64
–   Hussar 0.42421+9
−9
(+36)10.5 − 16.5
(+7−13=7)
38.9%
10.5 / 27
0.0%
−44
–   Dragon 4.62417+8
−7
(+32)13.5 − 16.5
(+10−13=7)
45.0%
13.5 / 30
0.0%
−3
–   RomiChess P3L 64-bit2412+12
−12
(+27)15.5 − 15.5
(+13−13=5)
50.0%
15.5 / 31
0.5%
+28
–   Giraffe 20150908 64-bit2410+18
−18
(+25)19 − 13
(+16−10=6)
59.4%
19.0 / 32
2.2%
+96
–   Simplex 0.9.8 64-bit2407+10
−10
(+22)11.5 − 11.5
(+8−8=7)
50.0%
11.5 / 23
1.5%
+24
–   Myrddin 0.87 64-bit2380+12
−12
(−5)11 − 16
(+7−12=8)
40.7%
11.0 / 27
68.0%
−65
–   Cmcchess 2.6 64-bit2377+11
−11
(−8)10.5 − 7.5
(+8−5=5)
58.3%
10.5 / 18
78.4%
+43
–   Laser 0.1 64-bit2374+19
−19
(−11)15 − 17
(+8−10=14)
46.9%
15.0 / 32
79.2%
−34
–   Maverick 0.60 64-bit2363+19
−19
(−22)15 − 17
(+12−14=6)
46.9%
15.0 / 32
95.8%
−43
–   CyberPagno 2.3 64-bit2344+16
−16
(−41)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
100.0%
+38
–   Gibbon 2.69a 64-bit2322+13
−13
(−63)13 − 19
(+10−16=6)
40.6%
13.0 / 32
100.0%
−131
–   Jazz 840 64-bit2320+19
−19
(−65)21.5 − 10.5
(+18−7=7)
67.2%
21.5 / 32
100.0%
+60
–   Schooner 1.4.1 64-bit2319+16
−16
(−66)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+109
–   Zeus 1.292262+9
−9
(−123)25 − 6
(+24−5=2)
80.6%
25.0 / 31
100.0%
+151
–   Mediocre 0.52261+15
−15
(−124)22 − 9
(+20−7=4)
71.0%
22.0 / 31
100.0%
+44
–   Absolute Zero 2.4.0.0 64-bit2259+15
−15
(−126)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
−8
–   Anechka 0.082234+7
−8
(−151)22 − 10
(+20−8=4)
68.8%
22.0 / 32
100.0%
−1
–   Ant 2006-F2232+9
−9
(−153)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
−59
–   AliChess 4.252228+10
−10
(−157)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
−8
–   Fischerle 0.9.60 64-bit2226+17
−17
(−159)23 − 9
(+20−6=6)
71.9%
23.0 / 32
100.0%
+7
–   OBender 3.2.x2222+11
−11
(−163)26.5 − 5.5
(+25−4=3)
82.8%
26.5 / 32
100.0%
+124
–   Adam 3.32220+10
−9
(−165)23.5 − 8.5
(+21−6=5)
73.4%
23.5 / 32
100.0%
+20
–   FireFly 2.7.0 64-bit2208+14
−14
(−177)23 − 9
(+19−5=8)
71.9%
23.0 / 32
100.0%
−18
–   Chispa 4.0.32207+8
−8
(−178)19.5 − 12.5
(+16−9=7)
60.9%
19.5 / 32
100.0%
−98
–   Orion 0.2 64-bit2206+17
−17
(−179)26.5 − 5.5
(+24−3=5)
82.8%
26.5 / 32
100.0%
+89
–   RattateChess 1.0 Nosferatu2198+12
−12
(−187)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
100.0%
−26

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Created in 2005-2013 by CCRL team
Last games added on September 19, 2020