CCRL 40/40
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 1'083'337 games
played by 2'531 programs
147896 CPU days (X2 4600+)

White wins: 376'125 (34.7%)
Black wins: 279'699 (25.8%)
Draws: 427'513 (39.5%)
White score: 54.5%

Engine Details

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Show each game results
K2 0.67 (2353+23
−23
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 10 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   NoraGrace 2.0 64-bit2625+16
−16
(+272)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−17
–   Marvin 2.0.0 64-bit2533+22
−22
(+180)1 − 11
(+1−11=0)
8.3%
1.0 / 12
0.0%
−284
–   Ethereal 7.70 64-bit2512+31
−31
(+159)4 − 2
(+3−1=2)
66.7%
4.0 / 6
0.0%
+271
–   CyberPagno 3.0 64-bit2511+15
−15
(+158)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
+4
–   Floyd 0.8 64-bit2509+24
−24
(+156)1.5 − 8.5
(+1−8=1)
15.0%
1.5 / 10
0.0%
−151
–   Maverick 1.0 64-bit2508+26
−26
(+155)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+159
–   JikChess 0.01 64-bit2488+24
−24
(+135)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−125
–   Ghost 2.0.2 64-bit2485+18
−18
(+132)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Drosophila 1.5.1 64-bit2480+15
−15
(+127)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
+25
–   MadChess 2.1 64-bit2476+25
−25
(+123)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−26
–   Giraffe 20150908 64-bit2460+19
−19
(+107)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+107
–   Shallow r694 64-bit2444+18
−18
(+91)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−32
–   Lozza 1.17a 64-bit2443+18
−17
(+90)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+31
–   Betsabe II 1.472443+20
−20
(+90)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+90
–   Tunguska 1.1 64-bit2440+23
−23
(+87)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−148
–   Zurichess Fribourg 64-bit2440+29
−29
(+87)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+91
–   Cmcchess 2.6 64-bit2420+17
−17
(+67)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+11
–   Ares 1.005 64-bit2418+18
−18
(+65)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+124
–   RomiChess P3n 64-bit2416+14
−14
(+63)4 − 2
(+2−0=4)
66.7%
4.0 / 6
0.0%
+157
–   Shallow r688 64-bit2413+19
−19
(+60)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
0.0%
+343
–   Tigran 2.4n 64-bit2399+17
−17
(+46)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.1%
−243
–   Lozza 1.16 64-bit2397+25
−25
(+44)7 − 3
(+6−2=2)
70.0%
7.0 / 10
0.5%
+193
–   Myrddin 0.87 64-bit2396+14
−14
(+43)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
0.1%
+86
–   Zevra 2.1.2 r248 64-bit2393+36
−36
(+40)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
3.2%
+97
–   Waxman 20142389+21
−21
(+36)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
1.0%
+11
–   Orion 0.3.0 64-bit2387+19
−19
(+34)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
1.1%
+85
–   Jazz 721 64-bit2385+20
−20
(+32)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
2.0%
+62
–   Giraffe 20150828 64-bit2383+31
−31
(+30)4 − 6
(+3−5=2)
40.0%
4.0 / 10
6.0%
−37
–   Waxman 20162378+23
−24
(+25)4 − 4
(+2−2=4)
50.0%
4.0 / 8
6.7%
+19
–   Carballo 1.1.12374+32
−32
(+21)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
14.4%
−10
–   Jumbo 0.5.3 64-bit2371+27
−27
(+18)3 − 3
(+1−1=4)
50.0%
3.0 / 6
16.5%
+18
–   Tytan 9.32 64-bit2370+23
−23
(+17)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
15.0%
−108
–   MadChess 2.0 64-bit2369+22
−22
(+16)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
15.4%
+52
–   Phalanx XXIII2364+32
−32
(+11)6 − 8
(+4−6=4)
42.9%
6.0 / 14
28.8%
−41
–   Plisk 0.2.7d 64-bit2360+19
−19
(+7)4 − 6
(+3−5=2)
40.0%
4.0 / 10
32.3%
−66
–   Donna 1.0 64-bit2357+29
−29
(+4)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
41.2%
−47
–   RomiChess P3m 64-bit2355+28
−28
(+2)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
45.1%
+153
–   Nemeton 1.412355+25
−26
(+2)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
44.8%
+33
–   Typhoon 1.00-358 64-bit2353+34
−34
(0)9.5 − 8.5
(+8−7=3)
52.8%
9.5 / 18
50.9%
+19
–   GreKo 5.92349+24
−24
(−4)7 − 3
(+6−2=2)
70.0%
7.0 / 10
59.2%
+145
–   CyberPagno 2.3 64-bit2343+27
−27
(−10)5 − 5
(+3−3=4)
50.0%
5.0 / 10
70.9%
−10
–   Maverick 0.51 64-bit2337+22
−22
(−16)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
83.6%
−81
–   Bagatur 1.4c 64-bit2336+34
−34
(−17)6 − 4
(+5−3=2)
60.0%
6.0 / 10
78.8%
+56
–   CyberPagno 2.2 64-bit2336+23
−23
(−17)2.5 − 3.5
(+0−1=5)
41.7%
2.5 / 6
85.5%
−59
–   Nemeton 1.12330+29
−29
(−23)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
88.6%
+29
–   ECE 12.012319+22
−22
(−34)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
98.3%
+123
–   EveAnn 1.71a2318+21
−21
(−35)8.5 − 3.5
(+6−1=5)
70.8%
8.5 / 12
98.6%
+98
–   Popochin 2.92316+31
−31
(−37)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
97.1%
+5
–   Asymptote 0.2.0 64-bit2314+25
−25
(−39)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
98.9%
+18
–   Nemeton 1.22309+26
−26
(−44)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
99.4%
+48
–   NoraGrace 1.0 64-bit2308+29
−29
(−45)5 − 5
(+3−3=4)
50.0%
5.0 / 10
99.1%
−45
–   pikoSzachy Extreme2307+31
−31
(−46)2 − 2
(+2−2=0)
50.0%
2.0 / 4
99.0%
−46
–   Schooner 1.5 64-bit2300+24
−25
(−53)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
99.9%
−171
–   Nemeton 1.02292+30
−30
(−61)5 − 1
(+4−0=2)
83.3%
5.0 / 6
99.9%
+169
–   Matilde 2008 64-bit2290+23
−23
(−63)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
100.0%
−38
–   FireFly 2.7.0 64-bit2286+17
−17
(−67)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
100.0%
−31
–   Orion 0.2 64-bit2278+21
−21
(−75)8 − 4
(+7−3=2)
66.7%
8.0 / 12
100.0%
+48
–   Ayito 0.2.9942265+21
−21
(−88)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−245
–   Fischerle 0.9.60 64-bit2265+29
−29
(−88)10 − 8
(+7−5=6)
55.6%
10.0 / 18
100.0%
−51
–   RattateChess 1.0 Nosferatu2252+19
−19
(−101)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−5
–   Protej 0.5.8c2252+20
−20
(−101)7 − 7
(+6−6=2)
50.0%
7.0 / 14
100.0%
−101
–   Exacto 0.e 64-bit2251+18
−18
(−102)10.5 − 5.5
(+7−2=7)
65.6%
10.5 / 16
100.0%
−1
–   Beowulf 2.4a 64-bit2249+18
−18
(−104)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+53
–   Mango Paola Ajedrez 4.12249+19
−19
(−104)9 − 5
(+8−4=2)
64.3%
9.0 / 14
100.0%
+8
–   Absolute Zero 2.4.0.0 64-bit2242+23
−23
(−111)4 − 2
(+3−1=2)
66.7%
4.0 / 6
100.0%
−6
–   Dolphin 1.0 64-bit2230+18
−18
(−123)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
100.0%
−36
–   Buzz 0.08 64-bit2229+21
−21
(−124)9 − 5
(+7−3=4)
64.3%
9.0 / 14
100.0%
−22
–   Adam 3.32211+19
−19
(−142)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−79
–   Neurosis 2.32210+27
−27
(−143)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+6
–   ChessKISS 1.7 64-bit2209+20
−20
(−144)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+5
–   Carballo 0.82195+22
−22
(−158)4 − 2
(+2−0=4)
66.7%
4.0 / 6
100.0%
−68
–   Alf 1.092195+23
−23
(−158)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−225
–   NG-Play 9.86 64-bit2170+22
−23
(−183)10.5 − 3.5
(+8−1=5)
75.0%
10.5 / 14
100.0%
−16
–   ProChess 1.02AD2163+19
−19
(−190)12.5 − 3.5
(+10−1=5)
78.1%
12.5 / 16
100.0%
+5
–   Chesley r323 64-bit2161+22
−22
(−192)9.5 − 4.5
(+8−3=3)
67.9%
9.5 / 14
100.0%
−60
–   GopherCheck 0.2.2 64-bit2139+26
−26
(−214)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+68
–   Napoleon 1.5.0 64-bit2122+26
−26
(−231)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
−81
–   Soldat III 0.178 64-bit2069+22
−22
(−284)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Ecce 1.0 (rev. 508) 64-bit2050+21
−21
(−303)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF

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