CCRL 40/40
Downloads and Statistics
November 30, 2019
Testing summary:
Total: 1'102'078 games
played by 2'571 programs
150620 CPU days (X2 4600+)

White wins: 381'985 (34.7%)
Black wins: 283'767 (25.7%)
Draws: 436'326 (39.6%)
White score: 54.5%

Engine Details

Options
Show each game results
K2 0.83 (2533+27
−27
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 10 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Carballo 1.6 64-bit2710+25
−24
(+177)2 − 4
(+1−3=2)
33.3%
2.0 / 6
0.0%
+66
= 0 0 1 0 =
–   Ethereal 8.19 64-bit2685+24
−24
(+152)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−80
= 0 0 0 1 = 0 0 0 0
–   RedQueen 1.1.98 64-bit2667+17
−17
(+134)5 − 3
(+3−1=4)
62.5%
5.0 / 8
0.0%
+213
0 = = 1 1 = 1 =
–   Floyd 0.9 64-bit2658+15
−14
(+125)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−110
0 1 0 0
–   Amoeba 1.2 64-bit2641+24
−24
(+108)6.5 − 11.5
(+2−7=9)
36.1%
6.5 / 18
0.0%
+22
0 = = 1 = 0 = 0 0 = = 0 = = 0 1 0 =
–   WyldChess 1.4 64-bit2639+24
−24
(+106)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−129
0 = 0 0 0 = 0 0 1 0
–   Ethereal 8.12 64-bit2611+26
−26
(+78)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
0.0%
−1
= = = = = = 0 = 0 0
–   Gogobello 1.3 64-bit2605+27
−27
(+72)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−77
= 1 0 = 0 0 1 0 0 0
–   DanaSah 6.502605+22
−22
(+72)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
0.0%
+115
= 1 1 0 1 0 0 1 1 0
–   Arminius 2015-08-06 64-bit2604+20
−20
(+71)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−11
= 1 0 0
–   GreKo 2016 64-bit2592+21
−22
(+59)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−94
0 = 0 0 0 0 1 = 0 1
–   Ethereal 7.78 64-bit2585+24
−24
(+52)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.2%
−64
0 1 0 0 = 1 0 0 0 1
–   Marvin 2.1.0 64-bit2581+26
−27
(+48)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.6%
−106
= = 0 0 0 = 0 = 0 =
–   Crafty 22.4 32-bit2581+32
−32
(+48)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
1.2%
−164
= 0 0 0 = 0 = 0
–   Jellyfish 1.1 64-bit2580+15
−15
(+47)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
0.1%
+15
= 1 = 0 = 0 = 0 = 0 1 1
–   GreKo 12.9 64-bit2578+29
−29
(+45)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
1.1%
−69
0 = 0 = 1 0 0 =
–   Capivara LK 0.09b02f 64-bit2569+17
−17
(+36)4 − 4
(+1−1=6)
50.0%
4.0 / 8
1.3%
+36
= = = 1 0 = = =
–   Capivara LK 0.09b02g 64-bit2560+16
−17
(+27)3 − 5
(+2−4=2)
37.5%
3.0 / 8
4.1%
−55
0 0 = 0 0 1 = 1
–   Zurichess Glarus 64-bit2559+27
−27
(+26)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
8.9%
−1
1 = 0 0 1 0 = 0 1 = = =
–   JikChess 0.02 64-bit2556+16
−16
(+23)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
7.2%
−59
= 1 0 0
–   Arasan 12.1 64-bit2551+35
−35
(+18)4 − 4
(+2−2=4)
50.0%
4.0 / 8
20.9%
+12
= 1 = 0 = = 1 0
–   Tornado 3.42a 32-bit2548+31
−32
(+15)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
23.5%
−107
1 0 = = = 0 0 0
–   Maverick 1.5 64-bit2534+14
−14
(+1)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
47.8%
−58
= 0 = =
–   Fridolin 2.00 64-bit2530+16
−16
(−3)2 − 2
(+2−2=0)
50.0%
2.0 / 4
56.8%
−3
0 1 1 0
–   nanoSzachy 4.1 64-bit2529+17
−17
(−4)9 − 7
(+5−3=8)
56.3%
9.0 / 16
60.2%
+40
1 = = = 1 1 = = 0 1 = = 0 0 = 1
–   Booot 4.13.02527+32
−32
(−6)4 − 4
(+3−3=2)
50.0%
4.0 / 8
61.0%
−12
0 0 = 1 = 1 0 1
–   Twisted Logic 0.099x2524+33
−33
(−9)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
67.1%
+22
1 0 = 1 = = = =
–   Ufim 8.002520+32
−32
(−13)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
72.9%
+33
0 1 0 0 1 1 = 1
–   EXchess 6.10b 32-bit2518+33
−32
(−15)4 − 4
(+3−3=2)
50.0%
4.0 / 8
75.7%
−15
1 0 = 0 0 1 1 =
–   Colossus 2006d2517+31
−32
(−16)6 − 2
(+5−1=2)
75.0%
6.0 / 8
77.0%
+167
1 1 1 = 1 0 1 =
–   CyberPagno 3.0 64-bit2511+15
−15
(−22)1 − 3
(+0−2=2)
25.0%
1.0 / 4
91.8%
−172
= = 0 0
–   Floyd 0.8 64-bit2509+23
−23
(−24)6 − 6
(+5−5=2)
50.0%
6.0 / 12
91.1%
−28
1 1 1 0 = 1 1 0 0 = 0 0
–   Cheng3 1.03 64-bit2500+33
−33
(−33)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
94.0%
+8
1 = 1 0 = 0 1 =
–   Dorky 4.5 64-bit2499+19
−19
(−34)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
98.0%
+57
= 1 = = 1 = 1 0 = 1
–   Delphil 3.2 64-bit2497+15
−15
(−36)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
99.0%
0
= = 1 1 0 = = =
–   Ghost 2.0.2 64-bit2484+18
−18
(−49)5 − 3
(+5−3=0)
62.5%
5.0 / 8
99.9%
+58
1 1 0 1 1 1 0 0
–   Shield 1.2 64-bit2473+26
−26
(−60)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
99.9%
−7
0 = 1 1 1 0 1 0
–   Dirty 14M-222467+32
−32
(−66)6 − 2
(+5−1=2)
75.0%
6.0 / 8
99.9%
+113
= 1 1 1 1 = 1 0
–   Betsabe II 1.662462+22
−22
(−71)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+81
1 1 1 = 0 1 1 0
–   Giraffe 20150908 64-bit2460+19
−19
(−73)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+12
1 1 = 0
–   Gaviota 0.74.41 32-bit2446+33
−33
(−87)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+92
1 = = 0 1 1 1 1
–   Bumblebee 1.0.36898e1 64-bit2445+19
−19
(−88)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−20
= = 1 =
–   Typhoon 1.00-3482443+33
−33
(−90)4 − 4
(+3−3=2)
50.0%
4.0 / 8
100.0%
−90
1 = 0 0 = 1 1 0
–   Abrok 5.02443+18
−18
(−90)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
+3
1 1 1 = 0 0 1 =
–   Lozza 1.17a 64-bit2443+17
−18
(−90)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+192
= 1 1 1
–   Delphil 2.32440+32
−32
(−93)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+61
1 1 0 1 0 1 1 =
–   Cheese 1.4 32-bit2440+32
−32
(−93)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−93
0 1 1 = = 0 = =
–   Pedone 0.4 64-bit2426+29
−29
(−107)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+79
0 1 1 = 1 1 1 =
–   Cmcchess 2.6 64-bit2420+17
−17
(−113)9 − 3
(+7−1=4)
75.0%
9.0 / 12
100.0%
+59
1 = = = 0 1 = 1 1 1 1 1
–   Ares 1.005 64-bit2418+18
−18
(−115)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
100.0%
−157
= 0 0 0 1 = = 1
–   Ares 1.005.2 64-bit2411+17
−17
(−122)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+167
1 1 = 1
–   Hermann 1.92407+34
−34
(−126)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+53
1 = 1 0 = 1 1 1
–   Cyrano 0.2f2402+32
−33
(−131)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−8
= = 1 0 1 1 1 =
–   Tigran 2.4n 64-bit2399+17
−17
(−134)8 − 0
(+8−0=0)
100.0%
8.0 / 8
100.0%
+INF
1 1 1 1 1 1 1 1
–   Simplex 0.9.8 64-bit2399+17
−17
(−134)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
−90
0 1 0 = 1 1 = =
–   Lozza 1.16 64-bit2397+25
−25
(−136)6.5 − 1.5
(+5−0=3)
81.3%
6.5 / 8
100.0%
+73
1 = = 1 1 = 1 1
–   Myrddin 0.87 64-bit2396+14
−14
(−137)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−142
= = = 1 0 1 = 0
–   Shield 1.1 64-bit2393+31
−31
(−140)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−23
0 1 = 1 = 1 = 1

Rating changes by day

Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on November 30, 2019