CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Engine Details

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Show each game results
K2 0.67 (2355+23
−23
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 11 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   NoraGrace 2.0 64-bit2622+15
−15
(+267)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−22
0 = 0 0
–   Marvin 2.0.0 64-bit2533+22
−22
(+178)1 − 11
(+1−11=0)
8.3%
1.0 / 12
0.0%
−286
1 0 0 0 0 0 0 0 0 0 0 0
–   CyberPagno 3.0 64-bit2514+14
−14
(+159)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
+5
1 1 0 0 0 0 0 = 0 =
–   Ethereal 7.70 64-bit2511+31
−31
(+156)4 − 2
(+3−1=2)
66.7%
4.0 / 6
0.0%
+268
1 = = 0 1 1
–   Floyd 0.8 64-bit2509+24
−24
(+154)1.5 − 8.5
(+1−8=1)
15.0%
1.5 / 10
0.0%
−153
0 1 0 = 0 0 0 0 0 0
–   Maverick 1.0 64-bit2508+26
−26
(+153)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+157
0 1 = 0 0 1 0 1 = 1
–   JikChess 0.01 64-bit2488+24
−24
(+133)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−127
= 0 1 0 0 0 0 0
–   Ghost 2.0.2 64-bit2485+18
−18
(+130)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   Drosophila 1.5.1 64-bit2479+15
−15
(+124)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
+22
0 0 1 0 = = = 1 0 0
–   MadChess 2.1 64-bit2476+25
−25
(+121)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−28
= 0 0 0 0 1 1 0 0 =
–   Giraffe 20150908 64-bit2462+19
−18
(+107)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+107
1 0 0 = = 1 0 1
–   Lozza 1.17a 64-bit2443+17
−18
(+88)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+29
= 0 = 0 0 1 = 1 0 =
–   Betsabe II 1.472443+20
−20
(+88)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+88
= 0 = 1
–   Shallow r694 64-bit2442+17
−17
(+87)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−36
0 = 0 1 = 0 = 0 = 0
–   Zurichess Fribourg 64-bit2440+29
−29
(+85)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+89
0 1 0 1 = 0 0 1 = 1
–   Tunguska 1.1 64-bit2439+18
−18
(+84)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−151
0 = 0 0 0 0 1 = 0 0
–   Cmcchess 2.6 64-bit2421+17
−17
(+66)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+10
0 = 0 = = 1 = 0 = =
–   Ares 1.005 64-bit2418+18
−18
(+63)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+122
1 = = =
–   RomiChess P3n 64-bit2414+13
−13
(+59)4 − 2
(+2−0=4)
66.7%
4.0 / 6
0.0%
+153
= 1 = 1 = =
–   Shallow r688 64-bit2413+19
−19
(+58)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
0.0%
+341
1 = 1 1
–   Tigran 2.4n 64-bit2400+17
−17
(+45)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.1%
−244
0 0 = 0
–   Lozza 1.16 64-bit2398+25
−25
(+43)7 − 3
(+6−2=2)
70.0%
7.0 / 10
0.6%
+192
1 1 0 1 1 0 = 1 1 =
–   Myrddin 0.87 64-bit2396+13
−13
(+41)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
0.1%
+84
1 = = 0 = 0 1 1
–   Zevra 2.1.2 r248 64-bit2390+19
−19
(+35)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
1.0%
+134
0 1 1 = 0 1 1 = = 1
–   Waxman 20142390+20
−20
(+35)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
1.1%
+10
= = 0 = 0 0 0 1 1 1 = =
–   Orion 0.3.0 64-bit2388+19
−19
(+33)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
1.5%
+84
= 1 1 0 0 0 1 1
–   Giraffe 20150828 64-bit2384+31
−31
(+29)4 − 6
(+3−5=2)
40.0%
4.0 / 10
6.9%
−38
0 0 0 1 = 1 = 1 0 0
–   Waxman 20162378+23
−23
(+23)4 − 4
(+2−2=4)
50.0%
4.0 / 8
7.7%
+17
1 = = 1 0 = = 0
–   Jazz 721 64-bit2377+19
−19
(+22)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
7.3%
+52
=
–   Carballo 1.1.12374+32
−32
(+19)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
16.1%
−12
0 1 = = = = 1 = 0 0
–   Jumbo 0.5.3 64-bit2371+27
−27
(+16)3 − 3
(+1−1=4)
50.0%
3.0 / 6
18.2%
+16
= = 0 1 = =
–   MadChess 2.0 64-bit2370+22
−22
(+15)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
17.2%
+51
0 1 0 1 1 0 0 = 1 1
–   Tytan 9.32 64-bit2368+23
−23
(+13)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
20.2%
−112
1 0 0 0 0 = = =
–   Phalanx XXIII2364+32
−32
(+9)6 − 8
(+4−6=4)
42.9%
6.0 / 14
31.4%
−43
0 1 = 0 0 1 1 1 0 = 0 0 = =
–   Plisk 0.2.7d 64-bit2362+19
−19
(+7)4 − 6
(+3−5=2)
40.0%
4.0 / 10
30.2%
−66
1 0 = 1 0 = 1 0 0 0
–   RomiChess P3m 64-bit2360+27
−27
(+5)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
39.0%
+157
= 1 1 0 0 1 1 1
–   Donna 1.0 64-bit2358+29
−29
(+3)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
44.0%
−48
0 = 0 0 0 1 1 1
–   Nemeton 1.412355+25
−25
(0)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
48.2%
+31
0 1 0 = 0 = 1 1 = 1
–   Typhoon 1.00-358 64-bit2353+34
−34
(−2)9.5 − 8.5
(+8−7=3)
52.8%
9.5 / 18
53.8%
+17
0 1 0 1 0 1 = 0 0 1 = 1 1 1 1 0 = 0
–   GreKo 5.92346+23
−24
(−9)7 − 3
(+6−2=2)
70.0%
7.0 / 10
69.0%
+140
1 0 0 1 1 1 1 1 = =
–   CyberPagno 2.3 64-bit2343+27
−27
(−12)5 − 5
(+3−3=4)
50.0%
5.0 / 10
73.6%
−12
1 0 = = 1 = = 0 0 1
–   Maverick 0.51 64-bit2341+22
−22
(−14)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
80.3%
−79
1 = 0 0 1 0
–   Bagatur 1.4c 64-bit2337+34
−34
(−18)6 − 4
(+5−3=2)
60.0%
6.0 / 10
81.0%
+55
= 1 0 1 1 1 0 = 1 0
–   CyberPagno 2.2 64-bit2336+23
−23
(−19)2.5 − 3.5
(+0−1=5)
41.7%
2.5 / 6
87.1%
−61
= = = = 0 =
–   Nemeton 1.12331+29
−29
(−24)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
89.7%
+28
= 0 1 = = 1
–   ECE 12.012318+22
−22
(−37)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
98.8%
+120
1 =
–   EveAnn 1.71a2318+21
−21
(−37)8.5 − 3.5
(+6−1=5)
70.8%
8.5 / 12
99.0%
+96
= 1 1 = = 1 0 = 1 1 1 =
–   Popochin 2.92316+31
−31
(−39)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
97.6%
+3
1 1 1 0 1 1 0 0 0 =
–   Asymptote 0.2.0 64-bit2314+25
−25
(−41)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
99.1%
+16
1 1 0 1 0 =
–   Nemeton 1.22309+26
−26
(−46)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
99.5%
+46
0 1 = 1
–   NoraGrace 1.0 64-bit2308+29
−29
(−47)5 − 5
(+3−3=4)
50.0%
5.0 / 10
99.3%
−47
1 = = = = 0 0 1 0 1
–   pikoSzachy Extreme2308+31
−31
(−47)2 − 2
(+2−2=0)
50.0%
2.0 / 4
99.2%
−47
1 0 0 1
–   Schooner 1.5 64-bit2300+24
−25
(−55)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
99.9%
−173
0 = = 0 = 0 0 1
–   Nemeton 1.02292+30
−30
(−63)5 − 1
(+4−0=2)
83.3%
5.0 / 6
99.9%
+167
= 1 1 = 1 1
–   Matilde 2008 64-bit2290+21
−21
(−65)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
100.0%
−40
= 1 1 = 0 0 = 1 1 = = 0
–   FireFly 2.7.0 64-bit2287+17
−17
(−68)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
100.0%
−32
1 = 1 = 1 = = 0 0 =
–   Orion 0.2 64-bit2279+21
−21
(−76)8 − 4
(+7−3=2)
66.7%
8.0 / 12
100.0%
+47
1 0 1 = 1 1 0 0 1 1 = 1
–   Ayito 0.2.9942268+20
−20
(−87)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−244
0 = 0 =
–   Fischerle 0.9.60 64-bit2266+29
−29
(−89)10 − 8
(+7−5=6)
55.6%
10.0 / 18
100.0%
−52
1 0 = = 1 1 1 = = = 0 1 1 0 1 0 = 0
–   Protej 0.5.8c2256+19
−19
(−99)7 − 7
(+6−6=2)
50.0%
7.0 / 14
100.0%
−99
1 1 0 1 0 = 1 0 = 0 0 1 0 1
–   RattateChess 1.0 Nosferatu2253+18
−19
(−102)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−6
= 0 1 1
–   Exacto 0.e 64-bit2252+18
−18
(−103)10.5 − 5.5
(+7−2=7)
65.6%
10.5 / 16
100.0%
−2
1 0 = 1 1 1 0 = = = = = 1 1 1 =
–   Beowulf 2.4a 64-bit2249+18
−18
(−106)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+51
1 =
–   Mango Paola Ajedrez 4.12245+19
−19
(−110)9 − 5
(+8−4=2)
64.3%
9.0 / 14
100.0%
+2
= 1 1 0 = 0 1 1 1 0 1 1 1 0
–   Absolute Zero 2.4.0.0 64-bit2243+23
−23
(−112)4 − 2
(+3−1=2)
66.7%
4.0 / 6
100.0%
−7
1 1 = 1 = 0
–   Buzz 0.08 64-bit2234+20
−20
(−121)9 − 5
(+7−3=4)
64.3%
9.0 / 14
100.0%
−19
0 = 1 1 0 1 1 1 0 1 = 1 = =
–   Dolphin 1.0 64-bit2230+18
−18
(−125)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
100.0%
−38
= = 1 0 = 1 1 = = 1
–   Neurosis 2.32214+24
−24
(−141)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+8
1 = 0 1 1 1 1 0 = 1
–   Adam 3.32211+19
−19
(−144)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−81
1 1 0 1 = 1 = = 0 =
–   ChessKISS 1.7 64-bit2209+20
−20
(−146)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+3
1 1 = = 1 0 0 1 1 1
–   Carballo 0.82195+22
−22
(−160)4 − 2
(+2−0=4)
66.7%
4.0 / 6
100.0%
−70
= = 1 1 = =
–   Alf 1.092195+23
−23
(−160)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−227
0 = = =
–   NG-Play 9.86 64-bit2171+22
−23
(−184)10.5 − 3.5
(+8−1=5)
75.0%
10.5 / 14
100.0%
−17
0 1 = = 1 = 1 1 1 = 1 = 1 1
–   ProChess 1.02AD2163+19
−19
(−192)12.5 − 3.5
(+10−1=5)
78.1%
12.5 / 16
100.0%
+3
0 1 1 1 = 1 = 1 1 1 1 = = = 1 1
–   Chesley r323 64-bit2162+22
−22
(−193)9.5 − 4.5
(+8−3=3)
67.9%
9.5 / 14
100.0%
−61
1 1 = = 1 1 0 1 0 = 1 1 1 0
–   GopherCheck 0.2.2 64-bit2141+26
−26
(−214)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+68
1 1 1 =
–   Napoleon 1.5.0 64-bit2123+26
−26
(−232)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
−82
1 0 1 0 1 1
–   Soldat III 0.178 64-bit2070+22
−22
(−285)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Ecce 1.0 (rev. 508) 64-bit2050+21
−21
(−305)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1

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Created in 2005-2013 by CCRL team
Last games added on May 8, 2021