CCRL 40/15
Downloads and Statistics
July 4, 2020
Testing summary:
Total: 1'159'254 games
played by 2'684 programs

White wins: 400'214 (34.5%)
Black wins: 295'886 (25.5%)
Draws: 463'154 (40.0%)
White score: 54.5%

Engine Details

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K2 0.83 (2534+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
−25
(+176)2 − 4
(+1−3=2)
33.3%
2.0 / 6
0.0%
+65
–   Ethereal 8.19 64-bit2686+23
−23
(+152)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−80
–   RedQueen 1.1.98 64-bit2667+17
−17
(+133)5 − 3
(+3−1=4)
62.5%
5.0 / 8
0.0%
+212
–   Floyd 0.9 64-bit2659+14
−15
(+125)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−110
–   WyldChess 1.4 64-bit2640+24
−24
(+106)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−129
–   Amoeba 1.2 64-bit2640+23
−23
(+106)6.5 − 11.5
(+2−7=9)
36.1%
6.5 / 18
0.0%
+20
–   Ethereal 8.12 64-bit2612+26
−26
(+78)3.5 − 6.5
(+0−3=7)
35.0%
3.5 / 10
0.0%
−1
–   Gogobello 1.3 64-bit2606+27
−27
(+72)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−77
–   DanaSah 6.502605+22
−22
(+71)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
0.0%
+114
–   Arminius 2015-08-06 64-bit2604+20
−20
(+70)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−12
–   GreKo 2016 64-bit2593+21
−22
(+59)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−94
–   Ethereal 7.78 64-bit2585+24
−24
(+51)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.2%
−65
–   Marvin 2.1.0 64-bit2581+26
−27
(+47)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.6%
−107
–   Crafty 22.4 32-bit2580+32
−32
(+46)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
1.3%
−166
–   Jellyfish 1.1 64-bit2580+15
−15
(+46)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
0.1%
+14
–   GreKo 12.9 64-bit2579+29
−29
(+45)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
1.1%
−69
–   Capivara LK 0.09b02f 64-bit2573+17
−17
(+39)4 − 4
(+1−1=6)
50.0%
4.0 / 8
0.7%
+39
–   Capivara LK 0.09b02g 64-bit2562+16
−16
(+28)3 − 5
(+2−4=2)
37.5%
3.0 / 8
3.5%
−54
–   Zurichess Glarus 64-bit2559+27
−27
(+25)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
9.0%
−2
–   JikChess 0.02 64-bit2558+16
−15
(+24)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
5.8%
−58
–   Arasan 12.1 64-bit2551+35
−35
(+17)4 − 4
(+2−2=4)
50.0%
4.0 / 8
21.5%
+11
–   Tornado 3.42a 32-bit2548+32
−32
(+14)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
24.4%
−108
–   Maverick 1.5 64-bit2537+14
−14
(+3)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
41.4%
−56
–   Fridolin 2.00 64-bit2531+16
−16
(−3)2 − 2
(+2−2=0)
50.0%
2.0 / 4
56.0%
−3
–   nanoSzachy 4.1 64-bit2530+17
−17
(−4)9 − 7
(+5−3=8)
56.3%
9.0 / 16
59.0%
+40
–   Booot 4.13.02528+32
−32
(−6)4 − 4
(+3−3=2)
50.0%
4.0 / 8
61.1%
−12
–   Twisted Logic 0.099x2524+33
−33
(−10)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
67.3%
+21
–   Ufim 8.002520+32
−32
(−14)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
73.7%
+32
–   EXchess 6.10b 32-bit2519+32
−33
(−15)4 − 4
(+3−3=2)
50.0%
4.0 / 8
75.8%
−15
–   Colossus 2006d2518+32
−32
(−16)6 − 2
(+5−1=2)
75.0%
6.0 / 8
77.4%
+167
–   CyberPagno 3.0 64-bit2513+15
−14
(−21)1 − 3
(+0−2=2)
25.0%
1.0 / 4
91.3%
−171
–   Floyd 0.8 64-bit2510+24
−23
(−24)6 − 6
(+5−5=2)
50.0%
6.0 / 12
90.9%
−28
–   Dorky 4.5 64-bit2500+19
−19
(−34)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
97.9%
+57
–   Cheng3 1.03 64-bit2497+32
−32
(−37)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
95.6%
+4
–   Delphil 3.2 64-bit2495+15
−15
(−39)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
99.4%
−2
–   Ghost 2.0.2 64-bit2485+18
−18
(−49)5 − 3
(+5−3=0)
62.5%
5.0 / 8
99.9%
+58
–   Shield 1.2 64-bit2474+26
−26
(−60)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
99.9%
−7
–   Dirty 14M-222467+32
−32
(−67)6 − 2
(+5−1=2)
75.0%
6.0 / 8
99.9%
+112
–   Betsabe II 1.662463+22
−22
(−71)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+81
–   Giraffe 20150908 64-bit2461+19
−19
(−73)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+12
–   Gaviota 0.74.41 32-bit2447+33
−33
(−87)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+92
–   Bumblebee 1.0.36898e1 64-bit2447+19
−19
(−87)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−19
–   Abrok 5.02445+18
−18
(−89)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
+4
–   Lozza 1.17a 64-bit2443+18
−17
(−91)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+191
–   Typhoon 1.00-3482442+31
−31
(−92)4 − 4
(+3−3=2)
50.0%
4.0 / 8
100.0%
−92
–   Delphil 2.32441+32
−32
(−93)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+61
–   Cheese 1.4 32-bit2441+32
−32
(−93)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−93
–   Pedone 0.4 64-bit2427+29
−29
(−107)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+79
–   Cmcchess 2.6 64-bit2421+17
−17
(−113)9 − 3
(+7−1=4)
75.0%
9.0 / 12
100.0%
+59
–   Ares 1.005 64-bit2419+18
−18
(−115)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
100.0%
−157
–   Ares 1.005.2 64-bit2412+17
−18
(−122)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+167
–   Hermann 1.92408+34
−34
(−126)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+53
–   Cyrano 0.2f2403+32
−33
(−131)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−8
–   Tigran 2.4n 64-bit2402+17
−17
(−132)8 − 0
(+8−0=0)
100.0%
8.0 / 8
100.0%
+INF
–   Simplex 0.9.8 64-bit2400+17
−17
(−134)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
−90
–   Lozza 1.16 64-bit2398+25
−25
(−136)6.5 − 1.5
(+5−0=3)
81.3%
6.5 / 8
100.0%
+73
–   Myrddin 0.87 64-bit2395+13
−13
(−139)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−144
–   Shield 1.1 64-bit2392+30
−30
(−142)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−25

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Created in 2005-2013 by CCRL team
Last games added on July 4, 2020