CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Show each game results
K2 0.67 (2351+23
−23
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 8 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   NoraGrace 2.0 64-bit2621+17
−17
(+270)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−19
0 0 0 =
–   Marvin 2.0.0 64-bit2542+27
−27
(+191)1 − 11
(+1−11=0)
8.3%
1.0 / 12
0.0%
−272
1 0 0 0 0 0 0 0 0 0 0 0
–   Floyd 0.8 64-bit2508+25
−25
(+157)1.5 − 8.5
(+1−8=1)
15.0%
1.5 / 10
0.0%
−150
0 1 0 = 0 0 0 0 0 0
–   Ethereal 7.70 64-bit2508+31
−31
(+157)4 − 2
(+3−1=2)
66.7%
4.0 / 6
0.0%
+269
= 0 1 1 1 =
–   Maverick 1.0 64-bit2504+25
−26
(+153)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+157
= 1 0 1 = 0 0 1 0 1
–   CyberPagno 3.0 64-bit2502+20
−20
(+151)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−2
1 1 0 0 0 = 0 0 0 =
–   JikChess 0.01 64-bit2484+24
−24
(+133)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−127
0 0 0 0 = 0 1 0
–   Ghost 2.0.2 64-bit2481+18
−18
(+130)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
0 0 0 0
–   MadChess 2.1 64-bit2474+26
−26
(+123)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−26
= 0 0 0 0 1 1 0 0 =
–   Giraffe 20150908 64-bit2461+21
−21
(+110)4 − 4
(+3−3=2)
50.0%
4.0 / 8
0.0%
+110
= 1 0 1 1 0 0 =
–   Lozza 1.17 64-bit2441+19
−19
(+90)4 − 6
(+2−4=4)
40.0%
4.0 / 10
0.0%
+31
= 0 = 0 0 1 = 1 0 =
–   Zurichess Fribourg 64-bit2440+29
−29
(+89)5 − 5
(+4−4=2)
50.0%
5.0 / 10
0.0%
+93
= 0 0 1 = 1 0 1 0 1
–   Shallow r694 64-bit2439+21
−21
(+88)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−35
0 = 0 1 = 0 = 0 = 0
–   Betsabe II 1.472439+20
−20
(+88)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+88
= 1 0 =
–   Cmcchess 2.6 64-bit2421+19
−19
(+70)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+14
= 0 = = = 1 0 = 0 =
–   RomiChess P3n 64-bit2417+29
−29
(+66)4 − 2
(+2−0=4)
66.7%
4.0 / 6
0.0%
+159
= = = 1 = 1
–   Ares 1.005 64-bit2414+18
−19
(+63)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
0.0%
+122
1 = = =
–   Shallow r688 64-bit2409+19
−19
(+58)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
0.0%
+341
1 1 1 =
–   Lozza 1.16 64-bit2394+25
−25
(+43)7 − 3
(+6−2=2)
70.0%
7.0 / 10
0.7%
+192
1 1 1 = 1 0 = 1 0 1
–   Tigran 2.4n 64-bit2392+18
−18
(+41)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.3%
−248
0 0 0 =
–   Waxman 20142387+21
−22
(+36)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
1.4%
+11
= = 0 1 1 1 = = = 0 0 0
–   Jazz 721 64-bit2384+22
−22
(+33)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
2.4%
+63
=
–   Orion 0.3.0 64-bit2384+19
−19
(+33)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
1.7%
+84
1 0 0 0 1 1 = 1
–   Giraffe 20150828 64-bit2383+31
−31
(+32)4 − 6
(+3−5=2)
40.0%
4.0 / 10
5.6%
−35
= 1 0 0 = 1 0 0 0 1
–   Myrddin 0.87 64-bit2379+17
−17
(+28)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
3.2%
+71
= 0 1 1 1 = = 0
–   Waxman 20162375+24
−24
(+24)4 − 4
(+2−2=4)
50.0%
4.0 / 8
8.5%
+18
1 = = 1 0 = = 0
–   Carballo 1.1.12371+32
−32
(+20)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
16.9%
−11
0 1 = = = = 1 0 0 =
–   Jumbo 0.5.3 64-bit2367+31
−31
(+16)3 − 3
(+1−1=4)
50.0%
3.0 / 6
21.7%
+16
0 1 = = = =
–   MadChess 2.0 64-bit2366+22
−22
(+15)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
18.6%
+51
0 1 0 1 0 = 1 1 1 0
–   Tytan 9.32 64-bit2366+30
−30
(+15)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
22.1%
−109
1 0 0 0 0 = = =
–   RomiChess P3m 64-bit2361+30
−31
(+10)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
31.5%
+161
0 1 1 1 1 0 = 1
–   Phalanx XXIII2361+32
−32
(+10)6 − 8
(+4−6=4)
42.9%
6.0 / 14
31.0%
−42
0 1 0 0 = = 0 0 1 = 1 1 0 =
–   Donna 1.0 64-bit2352+30
−30
(+1)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
48.7%
−50
0 0 0 1 1 1 0 =
–   Nemeton 1.412346+26
−26
(−5)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
61.4%
+26
1 1 = 1 0 = 0 = 0 1
–   GreKo 5.92346+24
−24
(−5)7 − 3
(+6−2=2)
70.0%
7.0 / 10
62.0%
+144
1 1 1 0 0 1 1 1 = =
–   Plisk 0.2.7d 64-bit2342+25
−25
(−9)4 − 6
(+3−5=2)
40.0%
4.0 / 10
70.5%
−82
0 = 1 0 = 1 1 0 0 0
–   Typhoon 1.00-358 64-bit2342+35
−35
(−9)9.5 − 8.5
(+8−7=3)
52.8%
9.5 / 18
67.4%
+10
= 0 0 1 0 1 0 1 1 1 0 1 = 1 1 0 = 0
–   CyberPagno 2.3 64-bit2337+27
−27
(−14)5 − 5
(+3−3=4)
50.0%
5.0 / 10
78.2%
−14
= 0 0 1 = = 1 = 1 0
–   Maverick 0.51 64-bit2335+22
−22
(−16)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
84.5%
−81
1 0 0 1 = 0
–   Bagatur 1.4c 64-bit2333+35
−35
(−18)6 − 4
(+5−3=2)
60.0%
6.0 / 10
80.3%
+55
= 1 0 1 1 1 0 = 1 0
–   CyberPagno 2.2 64-bit2332+23
−23
(−19)2.5 − 3.5
(+0−1=5)
41.7%
2.5 / 6
87.9%
−61
= = = 0 = =
–   Nemeton 1.12327+29
−29
(−24)3.5 − 2.5
(+2−1=3)
58.3%
3.5 / 6
89.8%
+28
= 0 1 = = 1
–   EveAnn 1.71a2317+22
−22
(−34)8.5 − 3.5
(+6−1=5)
70.8%
8.5 / 12
98.2%
+99
1 = = 1 0 = 1 1 1 = = 1
–   ECE 12.012317+22
−22
(−34)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
98.2%
+123
= 1
–   Popochin 2.92311+31
−31
(−40)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
97.9%
+2
1 1 1 1 1 0 0 0 0 =
–   NoraGrace 1.0 64-bit2306+29
−30
(−45)5 − 5
(+3−3=4)
50.0%
5.0 / 10
99.1%
−45
= 0 1 = = = 0 1 0 1
–   Nemeton 1.22306+27
−27
(−45)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
99.4%
+47
0 1 = 1
–   pikoSzachy Extreme2305+31
−31
(−46)2 − 2
(+2−2=0)
50.0%
2.0 / 4
99.1%
−46
0 1 1 0
–   Schooner 1.5 64-bit2299+25
−25
(−52)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
99.9%
−170
0 = = 0 0 1 = 0
–   Nemeton 1.02290+30
−30
(−61)5 − 1
(+4−0=2)
83.3%
5.0 / 6
99.9%
+169
= 1 1 = 1 1
–   FireFly 2.7.0 64-bit2285+18
−18
(−66)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
100.0%
−30
1 = 1 = 1 = = 0 0 =
–   Matilde 2008 64-bit2279+26
−26
(−72)6.5 − 5.5
(+4−3=5)
54.2%
6.5 / 12
100.0%
−47
= 1 1 = 0 0 1 = = 0 = 1
–   Orion 0.2 64-bit2276+21
−21
(−75)8 − 4
(+7−3=2)
66.7%
8.0 / 12
100.0%
+48
1 0 0 1 = 1 0 1 1 = 1 1
–   Fischerle 0.9.60 64-bit2263+29
−29
(−88)10 − 8
(+7−5=6)
55.6%
10.0 / 18
100.0%
−51
0 1 1 0 1 0 = = 1 1 1 = 1 0 = 0 = =
–   Protej 0.5.8c2253+21
−21
(−98)7 − 7
(+6−6=2)
50.0%
7.0 / 14
100.0%
−98
1 0 1 1 0 1 0 = = 0 0 1 0 1
–   Ayito 0.2.9942252+23
−23
(−99)1 − 3
(+0−2=2)
25.0%
1.0 / 4
100.0%
−256
0 = 0 =
–   Beowulf 2.4a 64-bit2250+20
−20
(−101)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+56
= 1
–   RattateChess 1.0 Nosferatu2249+21
−21
(−102)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−6
= 0 1 1
–   Exacto 0.e 64-bit2243+20
−20
(−108)10.5 − 5.5
(+7−2=7)
65.6%
10.5 / 16
100.0%
−7
0 = 1 1 1 0 = = = = = 1 1 1 = 1
–   Mango Paola Ajedrez 4.12242+20
−20
(−109)9 − 5
(+8−4=2)
64.3%
9.0 / 14
100.0%
+3
1 1 = 1 1 0 = 0 1 0 1 1 1 0
–   Absolute Zero 2.4.0.0 64-bit2240+23
−23
(−111)4 − 2
(+3−1=2)
66.7%
4.0 / 6
100.0%
−6
= 1 = 0 1 1
–   Buzz 0.08 64-bit2238+29
−29
(−113)9 − 5
(+7−3=4)
64.3%
9.0 / 14
100.0%
−11
0 = 1 1 0 1 1 1 0 1 = 1 = =
–   Dolphin 1.02232+21
−21
(−119)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
100.0%
−32
= = 1 0 = 1 1 = = 1
–   Adam 3.32212+20
−20
(−139)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−76
1 1 0 1 = 1 = = 0 =
–   ChessKISS 1.7 64-bit2210+20
−20
(−141)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+8
1 1 = = 1 0 0 1 1 1
–   Neurosis 2.32207+28
−28
(−144)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+5
1 1 1 = 0 1 1 0 = 1
–   Carballo 0.82195+22
−22
(−156)4 − 2
(+2−0=4)
66.7%
4.0 / 6
100.0%
−66
1 1 = = = =
–   Alf 1.092193+23
−23
(−158)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
100.0%
−225
0 = = =
–   ProChess 1.02AD2190+21
−21
(−161)12.5 − 3.5
(+10−1=5)
78.1%
12.5 / 16
100.0%
+34
1 1 1 1 = 1 = 1 1 = = = 1 1 0 1
–   NG-Play 9.86 64-bit2170+23
−23
(−181)10.5 − 3.5
(+8−1=5)
75.0%
10.5 / 14
100.0%
−14
1 1 0 1 = = 1 = 1 = 1 = 1 1
–   Chesley r323 64-bit2165+28
−28
(−186)9.5 − 4.5
(+8−3=3)
67.9%
9.5 / 14
100.0%
−55
1 1 = = 1 1 0 1 0 = 1 1 1 0
–   GopherCheck 0.2.2 64-bit2141+34
−35
(−210)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+72
1 1 1 =
–   Napoleon 1.5.0 64-bit2120+26
−26
(−231)4 − 2
(+4−2=0)
66.7%
4.0 / 6
100.0%
−81
0 1 0 1 1 1
–   Soldat III 0.178 64-bit2067+22
−22
(−284)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Ecce 1.0 (rev. 508) 64-bit2048+23
−23
(−303)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
K2 0.67
played with current
participants of this list
Represented by
1-2-CPU    168K2 0.87
32-bit    32nothing
32-bit 1-2-CPU    32nothing
32-bit single-CPU    32nothing
All    168K2 0.87
Free    138K2 0.87
Free 1-2-CPU    138K2 0.87
Free 32-bit    32nothing
Free 32-bit 1-2-CPU    32nothing
Free 32-bit single-CPU    32nothing
Free single-CPU    138K2 0.87
Single-CPU    168K2 0.87

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017