CCRL 40/15
Downloads and Statistics
January 9, 2021
Testing summary:
Total: 1'204'486 games
played by 2'764 programs

White wins: 414'243 (34.4%)
Black wins: 305'352 (25.4%)
Draws: 484'891 (40.3%)
White score: 54.5%

Engine Details

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K2 0.71 (2419+28
−28
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 10 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   RubiChess 0.9 64-bit2555+22
−22
(+136)0 − 6
(+0−6=0)
0.0%
0.0 / 6
0.0%
−INF
–   Carballo 1.4 64-bit2535+26
−26
(+116)3 − 5
(+2−4=2)
37.5%
3.0 / 8
0.0%
+27
–   AnMon 5.602516+15
−15
(+97)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−74
–   Pepito 1.59.2 64-bit2496+17
−17
(+77)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
+1
–   JikChess 0.01 64-bit2489+24
−24
(+70)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
0.0%
+279
–   Ghost 2.0.2 64-bit2486+18
−18
(+67)4 − 10
(+3−9=2)
28.6%
4.0 / 14
0.0%
−105
–   Zurichess Geneva 64-bit2484+26
−26
(+65)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+27
–   Delphil 2.9a2483+29
−29
(+64)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.1%
+28
–   Arasan 10.2 32-bit2479+23
−23
(+60)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.1%
−18
–   Pawny 0.3.1 64-bit2475+23
−23
(+56)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.1%
−50
–   Trace 1.37a2472+18
−18
(+53)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.1%
−INF
–   Jumbo 0.6.31 64-bit2470+25
−25
(+51)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
0.3%
−155
–   Carballo 1.22465+23
−22
(+46)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.6%
+77
–   Bumblebee 1.0.36898e1 64-bit2448+19
−19
(+29)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
4.5%
−7
–   Abrok 5.02446+18
−18
(+27)1.5 − 8.5
(+1−8=1)
15.0%
1.5 / 10
5.8%
−283
–   Hussar 0.42445+17
−17
(+26)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
6.2%
−4
–   Betsabe II 1.472444+20
−20
(+25)6 − 13
(+3−10=6)
31.6%
6.0 / 19
7.4%
−99
–   Snitch 1.6.2 64-bit2435+21
−21
(+16)5 − 5
(+4−4=2)
50.0%
5.0 / 10
19.3%
+16
–   Ares 1.005 64-bit2419+18
−18
(0)6 − 9
(+2−5=8)
40.0%
6.0 / 15
49.6%
−58
–   Gaia 3.5 64-bit2417+21
−21
(−2)5.5 − 5.5
(+4−4=3)
50.0%
5.5 / 11
55.1%
+2
–   Shallow r688 64-bit2414+19
−19
(−5)10.5 − 7.5
(+7−4=7)
58.3%
10.5 / 18
62.4%
+48
–   Ares 1.005.2 64-bit2412+17
−17
(−7)5 − 5
(+3−3=4)
50.0%
5.0 / 10
65.8%
−11
–   Tigran 2.4n 64-bit2402+17
−17
(−17)11.5 − 6.5
(+9−4=5)
63.9%
11.5 / 18
85.1%
+78
–   Simplex 0.9.8 64-bit2400+17
−17
(−19)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
87.2%
−55
–   Myrddin 0.87 64-bit2397+13
−13
(−22)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
92.4%
+37
–   Maverick 0.60 64-bit2397+33
−33
(−22)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
84.5%
−61
–   Alex 2.14a 64-bit2394+18
−18
(−25)7 − 3
(+5−1=4)
70.0%
7.0 / 10
93.1%
+102
–   Waxman 20142391+20
−20
(−28)0 − 4
(+0−4=0)
0.0%
0.0 / 4
94.6%
−INF
–   Sorgenkind 0.42389+14
−14
(−30)6 − 4
(+5−3=2)
60.0%
6.0 / 10
96.9%
+42
–   Rotor 0.32383+32
−32
(−36)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
95.4%
−4
–   Carballo 1.1.12375+32
−32
(−44)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
98.0%
+65
–   OliThink 5.3.2 64-bit2375+18
−18
(−44)7 − 3
(+6−2=2)
70.0%
7.0 / 10
99.6%
+105
–   iCE 0.22372+19
−19
(−47)6 − 4
(+4−2=4)
60.0%
6.0 / 10
99.7%
+19
–   Tytan 9.32 64-bit2370+23
−23
(−49)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.7%
+60
–   Donna 1.0 64-bit2359+29
−29
(−60)6 − 2
(+5−1=2)
75.0%
6.0 / 8
99.8%
+118
–   Typhoon 1.00-358 64-bit2354+34
−34
(−65)8 − 2
(+7−1=2)
80.0%
8.0 / 10
99.8%
+163
–   Maverick 0.51 64-bit2342+22
−22
(−77)9 − 5
(+7−3=4)
64.3%
9.0 / 14
100.0%
+17
–   Jazz 840 64-bit2341+15
−15
(−78)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−78
–   CyberPagno 2.2 64-bit2337+23
−23
(−82)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
100.0%
−64
–   Gibbon 2.60a 64-bit2337+20
−20
(−82)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+144
–   Nemeton 1.12332+29
−29
(−87)9 − 9
(+8−8=2)
50.0%
9.0 / 18
100.0%
−83
–   Bagatur 1.3a 64-bit2327+19
−19
(−92)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+59
–   Nemeton 1.22310+26
−26
(−109)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+173
–   pikoSzachy Extreme2309+31
−31
(−110)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+115
–   FireFly 2.7.0 64-bit2288+17
−17
(−131)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+158
–   Lozza 1.14a 64-bit2247+28
−28
(−172)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+57

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Created in 2005-2013 by CCRL team
Last games added on January 9, 2021