CCRL 40/4
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 2'143'600 games
played by 2'509 programs
29100 CPU days (X2 4600+)

White wins: 830'432 (38.7%)
Black wins: 670'629 (31.3%)
Draws: 642'539 (30.0%)
White score: 53.7%

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 Professional2474+11
−11
(+89)10 − 18
(+7−15=6)
35.7%
10.0 / 28
0.0%
−14
–   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-bit2452+9
−9
(+67)13 − 16
(+10−13=6)
44.8%
13.0 / 29
0.0%
+31
–   Counter 1.22447+10
−9
(+62)11 − 19
(+7−15=8)
36.7%
11.0 / 30
0.0%
−29
–   Matacz 1.42446+8
−8
(+61)12.5 − 16.5
(+9−13=7)
43.1%
12.5 / 29
0.0%
+8
–   SpiderChess 0706032439+8
−7
(+54)9.5 − 11.5
(+6−8=7)
45.2%
9.5 / 21
0.0%
+18
–   LambChop 10.992434+8
−8
(+49)11 − 18
(+8−15=6)
37.9%
11.0 / 29
0.0%
−37
–   King of Kings 2.562434+9
−9
(+49)8.5 − 18.5
(+8−18=1)
31.5%
8.5 / 27
0.0%
−111
–   Eeyore 1.52 64-bit2427+10
−9
(+42)13 − 15
(+10−12=6)
46.4%
13.0 / 28
0.0%
+15
–   Nejmet 3.072425+8
−8
(+40)10 − 16
(+7−13=6)
38.5%
10.0 / 26
0.0%
−46
–   Gaia 3.5 64-bit2425+9
−9
(+40)15.5 − 13.5
(+13−11=5)
53.4%
15.5 / 29
0.0%
+65
–   Ares 1.005 64-bit2424+16
−17
(+39)10.5 − 15.5
(+5−10=11)
40.4%
10.5 / 26
0.1%
−21
–   Quark 2.352423+8
−8
(+38)12.5 − 17.5
(+9−14=7)
41.7%
12.5 / 30
0.0%
−22
–   Hussar 0.42420+9
−9
(+35)10.5 − 16.5
(+7−13=7)
38.9%
10.5 / 27
0.0%
−45
–   Dragon 4.62418+8
−8
(+33)13.5 − 16.5
(+10−13=7)
45.0%
13.5 / 30
0.0%
−2
–   RomiChess P3L 64-bit2412+11
−11
(+27)15.5 − 15.5
(+13−13=5)
50.0%
15.5 / 31
0.6%
+28
–   Giraffe 20150908 64-bit2410+18
−18
(+25)19 − 13
(+16−10=6)
59.4%
19.0 / 32
2.4%
+96
–   Simplex 0.9.8 64-bit2409+10
−10
(+24)11.5 − 11.5
(+8−8=7)
50.0%
11.5 / 23
0.9%
+26
–   Myrddin 0.87 64-bit2381+12
−12
(−4)11 − 16
(+7−12=8)
40.7%
11.0 / 27
67.3%
−64
–   Cmcchess 2.6 64-bit2378+12
−12
(−7)10.5 − 7.5
(+8−5=5)
58.3%
10.5 / 18
76.6%
+44
–   Laser 0.1 64-bit2374+19
−19
(−11)15 − 17
(+8−10=14)
46.9%
15.0 / 32
80.2%
−34
–   Maverick 0.60 64-bit2363+19
−19
(−22)15 − 17
(+12−14=6)
46.9%
15.0 / 32
95.9%
−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-bit2326+13
−13
(−59)13 − 19
(+10−16=6)
40.6%
13.0 / 32
100.0%
−127
–   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-bit2320+16
−16
(−65)23.5 − 8.5
(+20−5=7)
73.4%
23.5 / 32
100.0%
+110
–   Mediocre 0.52262+15
−15
(−123)22 − 9
(+20−7=4)
71.0%
22.0 / 31
100.0%
+45
–   Zeus 1.292262+9
−9
(−123)25 − 6
(+24−5=2)
80.6%
25.0 / 31
100.0%
+151
–   Absolute Zero 2.4.0.0 64-bit2260+15
−15
(−125)21 − 11
(+18−8=6)
65.6%
21.0 / 32
100.0%
−7
–   Ant 2006-F2236+9
−9
(−149)20 − 12
(+17−9=6)
62.5%
20.0 / 32
100.0%
−55
–   Anechka 0.082235+8
−8
(−150)22 − 10
(+20−8=4)
68.8%
22.0 / 32
100.0%
0
–   AliChess 4.252229+10
−10
(−156)22.5 − 9.5
(+19−6=7)
70.3%
22.5 / 32
100.0%
−7
–   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.x2225+12
−12
(−160)26.5 − 5.5
(+25−4=3)
82.8%
26.5 / 32
100.0%
+127
–   Adam 3.32220+10
−10
(−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 Nosferatu2199+12
−12
(−186)22.5 − 9.5
(+20−7=5)
70.3%
22.5 / 32
100.0%
−25

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Created in 2005-2013 by CCRL team
Last games added on December 7, 2019