CCRL 40/40
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 1'059'406 games
played by 2'473 programs
144801 CPU days (X2 4600+)

White wins: 368'317 (34.8%)
Black wins: 274'199 (25.9%)
Draws: 416'890 (39.4%)
White score: 54.4%

Engine Details

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K2 0.83 (2533+27
−27
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 9 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Carballo 1.6 64-bit2710+25
−25
(+177)2 − 4
(+1−3=2)
33.3%
2.0 / 6
0.0%
+66
0 1 0 = = 0
–   Ethereal 8.19 64-bit2685+23
−23
(+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-bit2668+18
−18
(+135)5 − 3
(+3−1=4)
62.5%
5.0 / 8
0.0%
+213
0 = = 1 1 = 1 =
–   Floyd 0.9 64-bit2658+14
−15
(+125)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−110
1 0 0 0
–   Amoeba 1.2 64-bit2641+25
−24
(+108)6.5 − 11.5
(+2−7=9)
36.1%
6.5 / 18
0.0%
+22
0 = = 1 0 = = 0 = 0 0 = = 0 = = 0 1
–   WyldChess 1.4 64-bit2639+24
−24
(+106)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−129
0 0 1 0 0 = 0 0 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 1 0 0 0 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 0 1 0 = 1 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+25
−25
(+52)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.2%
−64
0 0 0 1 = 1 0 1 0 0
–   Crafty 22.4 32-bit2581+32
−32
(+48)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
1.1%
−164
= 0 0 0 = 0 = 0
–   Marvin 2.1.0 64-bit2581+27
−27
(+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-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-bit2577+29
−29
(+44)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
1.3%
−70
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-bit2562+17
−17
(+29)3 − 5
(+2−4=2)
37.5%
3.0 / 8
3.6%
−53
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-bit2555+16
−16
(+22)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
7.6%
−60
= 1 0 0
–   Arasan 12.1 64-bit2551+35
−35
(+18)4 − 4
(+2−2=4)
50.0%
4.0 / 8
20.5%
+12
= 1 = 0 = = 1 0
–   Tornado 3.42a 32-bit2548+32
−32
(+15)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
23.3%
−107
1 0 = = = 0 0 0
–   Maverick 1.5 64-bit2535+14
−14
(+2)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
43.9%
−57
= 0 = =
–   Fridolin 2.00 64-bit2530+16
−16
(−3)2 − 2
(+2−2=0)
50.0%
2.0 / 4
56.3%
−3
1 0 1 0
–   nanoSzachy 4.1 64-bit2529+17
−17
(−4)9 − 7
(+5−3=8)
56.3%
9.0 / 16
59.8%
+40
1 = = = 1 1 = 0 = 1 = = 0 = 1 0
–   Booot 4.13.02527+32
−32
(−6)4 − 4
(+3−3=2)
50.0%
4.0 / 8
61.3%
−12
0 0 = 1 = 1 0 1
–   Twisted Logic 0.099x2523+33
−33
(−10)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
67.3%
+21
1 0 = 1 = = = =
–   Ufim 8.002520+32
−32
(−13)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
73.3%
+33
0 1 0 0 1 1 = 1
–   EXchess 6.10b 32-bit2518+32
−33
(−15)4 − 4
(+3−3=2)
50.0%
4.0 / 8
75.7%
−15
1 0 = 0 0 1 1 =
–   Colossus 2006d2514+32
−32
(−19)6 − 2
(+5−1=2)
75.0%
6.0 / 8
80.7%
+164
1 1 1 = 1 0 1 =
–   Floyd 0.8 64-bit2509+24
−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
–   CyberPagno 3.0 64-bit2509+15
−15
(−24)1 − 3
(+0−2=2)
25.0%
1.0 / 4
93.7%
−174
= = 0 0
–   Cheng3 1.03 64-bit2500+33
−33
(−33)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
93.9%
+8
1 = 1 0 = 0 1 =
–   Delphil 3.2 64-bit2499+15
−15
(−34)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
98.7%
+2
= 1 1 = 0 = = =
–   Dorky 4.5 64-bit2499+19
−19
(−34)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
98.0%
+57
1 0 = 1 = 1 = = 1 =
–   Ghost 2.0.2 64-bit2485+18
−18
(−48)5 − 3
(+5−3=0)
62.5%
5.0 / 8
99.8%
+59
1 0 1 1 1 0 1 0
–   Shield 1.2 64-bit2473+26
−26
(−60)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
99.9%
−7
= 1 1 0 1 0 0 1
–   Dirty 14M-222468+33
−33
(−65)6 − 2
(+5−1=2)
75.0%
6.0 / 8
99.9%
+114
= 1 1 1 1 = 1 0
–   Giraffe 20150908 64-bit2463+19
−19
(−70)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+15
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 0 1 = 1 0 1
–   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-bit2446+19
−19
(−87)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−19
= 1 = =
–   Lozza 1.17a 64-bit2443+18
−17
(−90)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+192
1 = 1 1
–   Abrok 5.02442+18
−18
(−91)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
+2
1 1 1 = 1 = 0 0
–   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 = =
–   Typhoon 1.00-3482440+33
−33
(−93)4 − 4
(+3−3=2)
50.0%
4.0 / 8
100.0%
−93
1 = 0 0 = 1 1 0
–   Delphil 2.32440+32
−33
(−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-bit2427+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-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-bit2410+17
−18
(−123)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+166
1 = 1 1
–   Hermann 1.92406+34
−34
(−127)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+52
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-bit2400+17
−17
(−133)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+18
−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-bit2395+14
−14
(−138)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−143
= = = 1 0 1 = 0
–   Shield 1.1 64-bit2394+31
−31
(−139)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−22
0 1 = 1 = 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on June 15, 2019