CCRL 40/15
Downloads and Statistics
March 6, 2021
Testing summary:
Total: 1'223'030 games
played by 2'799 programs

White wins: 420'040 (34.3%)
Black wins: 308'879 (25.3%)
Draws: 494'111 (40.4%)
White score: 54.5%

Engine Details

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K2 0.83 (2534+26
−26
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 11 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Carballo 1.6 64-bit2710+25
−24
(+176)2 − 4
(+1−3=2)
33.3%
2.0 / 6
0.0%
+65
= 0 0 1 0 =
–   Ethereal 8.19 64-bit2685+23
−23
(+151)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−81
1 = 0 0 0 0 = 0 0 0
–   RedQueen 1.1.98 64-bit2664+16
−16
(+130)5 − 3
(+3−1=4)
62.5%
5.0 / 8
0.0%
+209
0 = = 1 1 = 1 =
–   Floyd 0.9 64-bit2658+14
−14
(+124)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−111
1 0 0 0
–   WyldChess 1.4 64-bit2640+24
−24
(+106)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−129
0 = 0 0 0 = 0 0 1 0
–   Amoeba 1.2 64-bit2640+23
−23
(+106)6.5 − 11.5
(+2−7=9)
36.1%
6.5 / 18
0.0%
+20
0 = = 1 = 0 = 0 0 = = 0 = = 0 1 0 =
–   Ethereal 8.12 64-bit2612+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-bit2606+27
−27
(+72)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−77
0 0 0 = = 1 1 0 0 0
–   DanaSah 6.502605+22
−22
(+71)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
0.0%
+114
= 1 1 0 1 0 0 1 1 0
–   Arminius 2015-08-06 64-bit2604+19
−19
(+70)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−12
= 1 0 0
–   GreKo 2016 64-bit2593+22
−21
(+59)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−94
0 0 1 = 0 1 0 = 0 0
–   Ethereal 7.78 64-bit2585+24
−24
(+51)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.3%
−65
0 0 0 1 0 1 0 0 = 1
–   Marvin 2.1.0 64-bit2582+26
−26
(+48)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.6%
−106
0 = 0 0 0 = 0 = = =
–   Jellyfish 1.1 64-bit2581+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
–   Crafty 22.4 32-bit2580+32
−32
(+46)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
1.3%
−166
= 0 0 0 = 0 = 0
–   GreKo 12.9 64-bit2579+28
−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
(+35)4 − 4
(+1−1=6)
50.0%
4.0 / 8
1.3%
+35
= = = 1 0 = = =
–   Capivara LK 0.09b02g 64-bit2563+16
−16
(+29)3 − 5
(+2−4=2)
37.5%
3.0 / 8
3.5%
−53
0 0 = 0 0 1 = 1
–   JikChess 0.02 64-bit2559+15
−16
(+25)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
5.8%
−57
= 1 0 0
–   Zurichess Glarus 64-bit2559+27
−27
(+25)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
9.1%
−2
1 = 0 0 1 0 = 0 1 = = =
–   Arasan 12.1 64-bit2551+35
−35
(+17)4 − 4
(+2−2=4)
50.0%
4.0 / 8
21.8%
+11
= 1 = 0 = = 1 0
–   Tornado 3.42a 32-bit2548+32
−32
(+14)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
25.0%
−108
1 0 = = = 0 0 0
–   Maverick 1.5 64-bit2537+14
−14
(+3)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
42.9%
−56
= 0 = =
–   nanoSzachy 4.1 64-bit2534+17
−17
(0)9 − 7
(+5−3=8)
56.3%
9.0 / 16
49.8%
+44
1 = = = 1 1 1 = = 0 = 1 = 0 0 =
–   Fridolin 2.00 64-bit2532+16
−16
(−2)2 − 2
(+2−2=0)
50.0%
2.0 / 4
55.4%
−2
0 1 1 0
–   Booot 4.13.02528+32
−32
(−6)4 − 4
(+3−3=2)
50.0%
4.0 / 8
61.2%
−12
0 0 = 1 = 1 0 1
–   Twisted Logic 0.099x2524+33
−33
(−10)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
67.8%
+21
1 0 = 1 = = = =
–   Ufim 8.002520+32
−32
(−14)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
73.9%
+32
0 1 0 0 1 1 = 1
–   EXchess 6.10b 32-bit2519+32
−33
(−15)4 − 4
(+3−3=2)
50.0%
4.0 / 8
76.1%
−15
1 0 = 0 0 1 1 =
–   Colossus 2006d2518+31
−32
(−16)6 − 2
(+5−1=2)
75.0%
6.0 / 8
77.3%
+167
1 1 1 = 1 0 1 =
–   CyberPagno 3.0 64-bit2515+14
−14
(−19)1 − 3
(+0−2=2)
25.0%
1.0 / 4
89.3%
−169
= = 0 0
–   Floyd 0.8 64-bit2510+24
−24
(−24)6 − 6
(+5−5=2)
50.0%
6.0 / 12
90.8%
−28
1 1 1 0 = 1 1 0 0 = 0 0
–   Dorky 4.5 64-bit2501+19
−19
(−33)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
97.9%
+58
1 0 = 1 = 1 = = 1 =
–   Cheng3 1.03 64-bit2497+32
−32
(−37)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
95.8%
+4
1 = 1 0 = 0 1 =
–   Delphil 3.2 64-bit2496+14
−15
(−38)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
99.3%
−1
= 1 0 = = 1 = =
–   Ghost 2.0.2 64-bit2486+18
−18
(−48)5 − 3
(+5−3=0)
62.5%
5.0 / 8
99.8%
+59
1 0 1 1 0 1 1 0
–   Shield 1.2 64-bit2474+26
−26
(−60)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
99.9%
−7
= 1 0 0 0 1 1 1
–   Dirty 14M-222468+32
−32
(−66)6 − 2
(+5−1=2)
75.0%
6.0 / 8
99.9%
+113
= 1 1 1 1 = 1 0
–   Betsabe II 1.662465+22
−22
(−69)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+83
1 1 1 1 0 0 1 =
–   Giraffe 20150908 64-bit2463+19
−18
(−71)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+14
1 1 = 0
–   Bumblebee 1.0.36898e1 64-bit2448+19
−19
(−86)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−18
= = 1 =
–   Gaviota 0.74.41 32-bit2447+33
−33
(−87)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+92
1 = = 0 1 1 1 1
–   Typhoon 1.00-3482445+30
−30
(−89)4 − 4
(+3−3=2)
50.0%
4.0 / 8
100.0%
−89
1 = 0 0 = 1 1 0
–   Abrok 5.02445+18
−18
(−89)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
+4
1 1 1 = 0 0 1 =
–   Lozza 1.17a 64-bit2444+17
−17
(−90)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+192
= 1 1 1
–   Cheese 1.4 32-bit2441+32
−32
(−93)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−93
0 1 1 = = 0 = =
–   Delphil 2.32441+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 =
–   Pedone 0.4 64-bit2428+29
−29
(−106)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+80
0 1 1 = 1 1 1 =
–   Cmcchess 2.6 64-bit2422+17
−17
(−112)9 − 3
(+7−1=4)
75.0%
9.0 / 12
100.0%
+60
= = 0 1 1 1 1 1 1 = = 1
–   Ares 1.005 64-bit2419+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-bit2412+17
−18
(−122)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+167
1 = 1 1
–   Hermann 1.92408+34
−34
(−126)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+53
1 = 1 0 = 1 1 1
–   Cyrano 0.2f2403+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-bit2402+17
−17
(−132)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-bit2402+17
−17
(−132)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
−88
0 1 0 = 1 1 = =
–   Lozza 1.16 64-bit2399+25
−25
(−135)6.5 − 1.5
(+5−0=3)
81.3%
6.5 / 8
100.0%
+74
1 = = 1 1 = 1 1
–   Myrddin 0.87 64-bit2397+13
−13
(−137)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−142
= = = 1 0 1 = 0
–   Shield 1.1 64-bit2392+30
−30
(−142)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−25
0 1 = 1 = 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on March 6, 2021