CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Engine Details

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K2 0.83 (2532+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-bit2709+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
(+153)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−79
= 0 0 0 1 = 0 0 0 0
–   RedQueen 1.1.98 64-bit2665+18
−18
(+133)5 − 3
(+3−1=4)
62.5%
5.0 / 8
0.0%
+211
1 = 1 = 0 = = 1
–   Floyd 0.9 64-bit2657+15
−14
(+125)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−110
0 0 1 0
–   Amoeba 1.2 64-bit2640+24
−24
(+108)6.5 − 11.5
(+2−7=9)
36.1%
6.5 / 18
0.0%
+22
0 = = 0 = 0 0 = = 0 = = 0 1 0 = = 1
–   WyldChess 1.4 64-bit2638+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
(+79)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
0.0%
0
= = 0 = 0 0 = = = =
–   Gogobello 1.3 64-bit2605+27
−27
(+73)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−76
1 0 0 0 0 = 0 0 = 1
–   DanaSah 6.502604+22
−22
(+72)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
0.0%
+115
= 1 0 1 1 0 1 0 1 0
–   Arminius 2015-08-06 64-bit2604+20
−19
(+72)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−10
0 0 = 1
–   GreKo 2016 64-bit2592+21
−22
(+60)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−93
0 = 0 0 0 0 1 = 0 1
–   Ethereal 7.78 64-bit2583+24
−25
(+51)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.3%
−65
0 0 0 1 = 1 0 1 0 0
–   Crafty 22.4 32-bit2580+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-bit2580+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-bit2580+15
−15
(+48)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
0.1%
+16
0 = 0 = 0 1 1 = 1 = 0 =
–   GreKo 12.9 64-bit2578+29
−29
(+46)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
1.1%
−68
0 = 1 0 0 = 0 =
–   Capivara LK 0.09b02f 64-bit2568+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
(+30)3 − 5
(+2−4=2)
37.5%
3.0 / 8
3.3%
−52
0 0 = 0 0 1 = 1
–   Zurichess Glarus 64-bit2558+27
−27
(+26)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
8.9%
−1
1 0 = 0 1 = = = 1 = 0 0
–   JikChess 0.02 64-bit2556+16
−16
(+24)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
6.9%
−58
1 0 0 =
–   Arasan 12.1 64-bit2551+35
−35
(+19)4 − 4
(+2−2=4)
50.0%
4.0 / 8
20.5%
+13
= 0 = = 1 0 = 1
–   Tornado 3.42a 32-bit2548+32
−32
(+16)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
23.3%
−106
= = = 0 0 0 1 0
–   Maverick 1.5 64-bit2535+14
−14
(+3)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
44.6%
−56
0 = = =
–   Fridolin 2.00 64-bit2530+15
−16
(−2)2 − 2
(+2−2=0)
50.0%
2.0 / 4
56.2%
−2
1 0 1 0
–   nanoSzachy 4.1 64-bit2529+17
−17
(−3)9 − 7
(+5−3=8)
56.3%
9.0 / 16
59.6%
+41
= 1 = = 0 0 = 1 = 0 1 = = = 1 1
–   Booot 4.13.02526+32
−32
(−6)4 − 4
(+3−3=2)
50.0%
4.0 / 8
61.3%
−12
= 1 = 1 0 1 0 0
–   Twisted Logic 0.099x2523+33
−33
(−9)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
67.3%
+22
= 1 = = = = 1 0
–   Ufim 8.002519+32
−32
(−13)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
73.2%
+33
0 0 1 1 = 1 0 1
–   EXchess 6.10b 32-bit2518+33
−32
(−14)4 − 4
(+3−3=2)
50.0%
4.0 / 8
75.8%
−14
= 0 0 1 1 = 1 0
–   Colossus 2006d2514+32
−32
(−18)6 − 2
(+5−1=2)
75.0%
6.0 / 8
80.5%
+165
1 = 1 0 1 = 1 1
–   CyberPagno 3.0 64-bit2510+15
−15
(−22)1 − 3
(+0−2=2)
25.0%
1.0 / 4
92.8%
−172
0 0 = =
–   Floyd 0.8 64-bit2508+23
−23
(−24)6 − 6
(+5−5=2)
50.0%
6.0 / 12
91.1%
−28
= 1 1 0 0 = 0 0 1 1 1 0
–   Cheng3 1.03 64-bit2499+33
−33
(−33)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
94.0%
+8
1 0 = 0 1 = 1 =
–   Dorky 4.5 64-bit2499+19
−19
(−33)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
97.9%
+58
1 0 = 1 = 1 = = 1 =
–   Delphil 3.2 64-bit2497+15
−15
(−35)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
98.8%
+1
0 = = = 1 = 1 =
–   Ghost 2.0.2 64-bit2484+18
−18
(−48)5 − 3
(+5−3=0)
62.5%
5.0 / 8
99.8%
+59
1 1 0 0 1 1 0 1
–   Shield 1.2 64-bit2472+26
−26
(−60)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
99.9%
−7
1 0 1 0 1 = 1 0
–   Dirty 14M-222467+33
−33
(−65)6 − 2
(+5−1=2)
75.0%
6.0 / 8
99.9%
+114
1 1 1 = 1 0 = 1
–   Giraffe 20150908 64-bit2462+19
−19
(−70)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+15
0 1 = 1
–   Betsabe II 1.662462+22
−22
(−70)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+82
= 1 1 0 0 1 1 1
–   Gaviota 0.74.41 32-bit2446+33
−33
(−86)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+93
= 0 1 1 1 1 1 =
–   Bumblebee 1.0.36898e1 64-bit2445+19
−19
(−87)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−19
= = 1 =
–   Lozza 1.17a 64-bit2442+17
−18
(−90)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+192
1 1 1 =
–   Abrok 5.02442+18
−18
(−90)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
+3
1 = 1 = 0 0 1 1
–   Typhoon 1.00-3482440+33
−33
(−92)4 − 4
(+3−3=2)
50.0%
4.0 / 8
100.0%
−92
0 0 = 1 1 0 1 =
–   Delphil 2.32439+32
−32
(−93)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+61
0 1 0 1 1 = 1 1
–   Cheese 1.4 32-bit2439+32
−32
(−93)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−93
1 = = 0 = = 0 1
–   Pedone 0.4 64-bit2426+29
−29
(−106)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+80
1 1 1 = 0 1 1 =
–   Cmcchess 2.6 64-bit2419+17
−17
(−113)9 − 3
(+7−1=4)
75.0%
9.0 / 12
100.0%
+59
0 1 = 1 1 1 1 1 = = = 1
–   Ares 1.005 64-bit2417+18
−18
(−115)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
100.0%
−157
0 0 1 = = 1 = 0
–   Ares 1.005.2 64-bit2410+17
−17
(−122)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+167
1 1 1 =
–   Hermann 1.92406+34
−34
(−126)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+53
1 0 = 1 1 1 1 =
–   Cyrano 0.2f2401+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
(−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-bit2399+17
−17
(−133)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
−89
1 1 = = 0 1 0 =
–   Lozza 1.16 64-bit2397+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-bit2394+14
−14
(−138)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−143
0 1 = 0 = = = 1
–   Shield 1.1 64-bit2393+31
−31
(−139)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−22
= 1 = 1 0 1 = 1

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Created in 2005-2013 by CCRL team
Last games added on July 19, 2019