CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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K2 0.83 (2530+27
−27
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 8 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Carballo 1.6 64-bit2711+27
−27
(+181)2 − 4
(+1−3=2)
33.3%
2.0 / 6
0.0%
+70
= 0 0 1 0 =
–   Ethereal 8.19 64-bit2687+26
−26
(+157)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−75
= 0 0 0 1 = 0 0 0 0
–   RedQueen 1.1.98 64-bit2661+21
−22
(+131)5 − 3
(+3−1=4)
62.5%
5.0 / 8
0.0%
+209
1 = 0 = = 1 1 =
–   Floyd 0.9 64-bit2658+19
−19
(+128)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−107
0 0 1 0
–   WyldChess 1.4 64-bit2639+27
−27
(+109)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−126
0 = 0 0 0 = 0 0 1 0
–   Amoeba 1.2 64-bit2624+29
−29
(+94)6.5 − 11.5
(+2−7=9)
36.1%
6.5 / 18
0.0%
+8
= 0 = 0 0 = = 1 0 = = 0 = = 0 1 0 =
–   Ethereal 8.12 64-bit2608+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+28
−28
(+76)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−73
1 0 0 0 0 0 = 1 0 =
–   DanaSah 6.502604+22
−22
(+74)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
0.0%
+117
= 1 1 0 1 0 0 1 1 0
–   Arminius 2015-08-06 64-bit2602+19
−19
(+72)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−10
0 = 1 0
–   GreKo 2016 64-bit2588+23
−23
(+58)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.1%
−95
0 = 0 0 0 0 1 = 0 1
–   GreKo 12.9 64-bit2588+30
−31
(+58)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
0.3%
−56
0 = 0 = 1 0 0 =
–   Ethereal 7.78 64-bit2586+25
−25
(+56)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
0.1%
−60
0 0 0 1 0 1 0 0 = 1
–   Marvin 2.1.0 64-bit2584+28
−28
(+54)2.5 − 7.5
(+0−5=5)
25.0%
2.5 / 10
0.3%
−99
= = 0 = 0 0 0 = 0 =
–   Crafty 22.4 32-bit2583+33
−33
(+53)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
0.7%
−159
0 0 = 0 = 0 = 0
–   Jellyfish 1.1 64-bit2575+17
−17
(+45)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
0.3%
+13
0 = 0 = = 1 = 0 = 0 1 1
–   Capivara LK 0.09b02f 64-bit2564+18
−18
(+34)4 − 4
(+1−1=6)
50.0%
4.0 / 8
2.0%
+34
= 1 = = 0 = = =
–   Capivara LK 0.09b02g 64-bit2556+19
−19
(+26)3 − 5
(+2−4=2)
37.5%
3.0 / 8
5.8%
−56
= 0 0 1 = 1 0 0
–   Zurichess Glarus 64-bit2556+27
−27
(+26)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
8.8%
−1
1 0 = 0 1 1 = 0 0 = = =
–   JikChess 0.02 64-bit2555+17
−17
(+25)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
6.4%
−57
1 = 0 0
–   Arasan 12.1 64-bit2552+36
−36
(+22)4 − 4
(+2−2=4)
50.0%
4.0 / 8
16.5%
+16
= 0 = 1 = = 1 0
–   Tornado 3.42a 32-bit2544+34
−34
(+14)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
26.5%
−108
= = = 0 1 0 0 0
–   nanoSzachy 4.1 64-bit2531+17
−17
(+1)9 − 7
(+5−3=8)
56.3%
9.0 / 16
47.4%
+45
= 1 = = 1 = = = 1 1 0 = 1 0 = 0
–   Booot 4.13.02525+32
−33
(−5)4 − 4
(+3−3=2)
50.0%
4.0 / 8
60.5%
−11
= 1 0 0 = 1 0 1
–   Fridolin 2.0 64-bit2524+16
−16
(−6)2 − 2
(+2−2=0)
50.0%
2.0 / 4
66.1%
−6
1 0 0 1
–   Twisted Logic 0.099x2521+33
−33
(−9)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
66.6%
+22
= 1 = = 1 0 = =
–   Ufim 8.002518+32
−32
(−12)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
71.7%
+34
0 0 1 1 0 1 = 1
–   Maverick 1.5 64-bit2518+18
−18
(−12)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
77.0%
−71
0 = = =
–   EXchess 6.10b 32-bit2516+32
−32
(−14)4 − 4
(+3−3=2)
50.0%
4.0 / 8
75.2%
−14
= 0 1 0 0 1 1 =
–   Colossus 2006d2513+32
−32
(−17)6 − 2
(+5−1=2)
75.0%
6.0 / 8
79.4%
+166
1 = 1 1 1 0 1 =
–   Floyd 0.8 64-bit2508+25
−25
(−22)6 − 6
(+5−5=2)
50.0%
6.0 / 12
88.6%
−26
= 1 1 0 0 1 1 1 0 = 0 0
–   CyberPagno 3.0 64-bit2502+20
−20
(−28)1 − 3
(+0−2=2)
25.0%
1.0 / 4
95.3%
−177
0 0 = =
–   Dorky 4.5 64-bit2499+22
−22
(−31)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
96.5%
+60
1 0 = 1 = 1 = = 1 =
–   Cheng3 1.03 64-bit2498+33
−33
(−32)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
93.6%
+9
1 0 1 = = 0 1 =
–   Delphil 3.2 64-bit2493+17
−17
(−37)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
99.1%
0
0 = 1 = = = = 1
–   Ghost 2.0.2 64-bit2481+18
−18
(−49)5 − 3
(+5−3=0)
62.5%
5.0 / 8
99.9%
+58
1 1 0 0 1 0 1 1
–   Shield 1.2 64-bit2473+27
−27
(−57)4.5 − 3.5
(+4−3=1)
56.3%
4.5 / 8
99.9%
−4
1 0 = 1 0 1 0 1
–   Dirty 14M-222466+33
−33
(−64)6 − 2
(+5−1=2)
75.0%
6.0 / 8
99.9%
+115
1 1 = 1 1 = 1 0
–   Giraffe 20150908 64-bit2461+21
−21
(−69)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
+16
0 1 1 =
–   Betsabe II 1.662457+22
−22
(−73)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+79
= 1 1 1 0 1 1 0
–   Bumblebee 1.0.36898e1 64-bit2446+21
−21
(−84)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−16
= = = 1
–   Cheese 1.4 32-bit2446+33
−33
(−84)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−84
1 = 0 1 = 0 = =
–   Gaviota 0.74.41 32-bit2443+34
−34
(−87)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+92
= 0 1 = 1 1 1 1
–   Lozza 1.17 64-bit2441+19
−19
(−89)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+193
1 1 = 1
–   Typhoon 1.00-3482439+33
−33
(−91)4 − 4
(+3−3=2)
50.0%
4.0 / 8
100.0%
−91
0 0 = 1 1 = 1 0
–   Delphil 2.32438+32
−32
(−92)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+62
0 1 1 1 0 1 1 =
–   Abrok 5.02428+22
−22
(−102)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
−8
1 = 1 1 0 0 1 =
–   Pedone 0.4 64-bit2423+29
−29
(−107)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+79
1 1 0 1 1 = 1 =
–   Cmcchess 2.6 64-bit2421+19
−19
(−109)9 − 3
(+7−1=4)
75.0%
9.0 / 12
100.0%
+63
0 1 = = 1 1 1 1 = 1 1 =
–   Ares 1.005 64-bit2414+18
−19
(−116)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
100.0%
−158
0 0 = 0 1 = = 1
–   Ares 1.005.2 64-bit2407+18
−18
(−123)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+166
1 1 1 =
–   Hermann 1.92403+34
−34
(−127)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+52
1 0 1 = = 1 1 1
–   Cyrano 0.2f2402+33
−33
(−128)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−5
1 0 = = 1 1 1 =
–   Simplex 0.9.8 64-bit2401+20
−20
(−129)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
−85
1 1 0 1 0 = = =
–   Lozza 1.16 64-bit2394+25
−25
(−136)6.5 − 1.5
(+5−0=3)
81.3%
6.5 / 8
100.0%
+73
1 = 1 = = 1 1 1
–   Tigran 2.4n 64-bit2392+18
−18
(−138)8 − 0
(+8−0=0)
100.0%
8.0 / 8
100.0%
+INF
1 1 1 1 1 1 1 1
–   Shield 1.1 64-bit2391+31
−31
(−139)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
−22
= 1 0 1 = 1 = 1
–   Myrddin 0.87 64-bit2379+17
−17
(−151)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−156
0 1 = = = 1 = 0

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
K2 0.83
played with current
participants of this list
Represented by
1-2-CPU    148K2 0.87
All    142K2 0.87
Free    142K2 0.87
Free 1-2-CPU    148K2 0.87
Free single-CPU    148K2 0.87
Single-CPU    148K2 0.87

Created in 2005-2013 by CCRL team
Last games added on November 18, 2017