CCRL 40/40
Downloads and Statistics
December 16, 2017
Testing summary:
Total: 768'714 games
played by 1'999 programs
105443 CPU days (X2 4600+)

White wins: 263'775 (34.3%)
Black wins: 195'465 (25.4%)
Draws: 309'474 (40.3%)
White score: 54.4%

Engine Details

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Show each game results
K2 0.71 (2420+28
−28
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 8 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Carballo 1.4 64-bit2519+29
−29
(+99)3 − 5
(+2−4=2)
37.5%
3.0 / 8
0.0%
+10
= = 1 0 0 0 0 1
–   AnMon 5.602513+15
−15
(+93)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−78
0 0 0 = 0 = 1 0 = 0
–   Pepito 1.59 64-bit2492+18
−18
(+72)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.0%
−3
0 0 = 1 0 1 0 1 0 =
–   JikChess 0.01 64-bit2484+24
−24
(+64)7.5 − 2.5
(+7−2=1)
75.0%
7.5 / 10
0.0%
+273
1 = 0 0 1 1 1 1 1 1
–   Arasan 10.2 32-bit2483+26
−26
(+63)4 − 6
(+3−5=2)
40.0%
4.0 / 10
0.1%
−15
0 0 0 1 1 0 = 0 = 1
–   Ghost 2.0.2 64-bit2481+18
−18
(+61)4 − 10
(+3−9=2)
28.6%
4.0 / 14
0.0%
−111
1 1 = 0 = 1 0 0 0 0 0 0 0 0
–   Delphil 2.9a2479+29
−30
(+59)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.2%
+23
= 0 = 0 0 1 = 1 = =
–   Zurichess Geneva 64-bit2475+27
−27
(+55)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.3%
+17
1 0 0 0 = 1 = =
–   Pawny 0.3.1 64-bit2473+23
−23
(+53)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.2%
−53
0 0 = 1 0 1 0 = = 0
–   Trace 1.37a2467+19
−19
(+47)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.3%
−INF
0
–   Bumblebee 1.0.36898e1 64-bit2447+21
−21
(+27)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
6.4%
−9
0 0 0 1 = 1 1 0 0 1
–   Carballo 1.22447+26
−26
(+27)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
8.2%
+58
= 1 = = 1 1 0 0 1 0
–   Hussar 0.42443+17
−17
(+23)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
8.5%
−7
=
–   Betsabe II 1.472439+20
−20
(+19)6 − 13
(+3−10=6)
31.6%
6.0 / 19
13.0%
−105
= = 0 0 = 0 0 0 0 = = = 1 0 0 0 1 0 1
–   Abrok 5.02432+21
−21
(+12)1.5 − 8.5
(+1−8=1)
15.0%
1.5 / 10
25.3%
−298
0 0 0 0 0 0 0 1 = 0
–   Snitch 1.6.2 64-bit2430+25
−25
(+10)5 − 5
(+4−4=2)
50.0%
5.0 / 10
30.1%
+10
1 1 1 0 = 0 0 = 0 1
–   Ares 1.005 64-bit2415+19
−19
(−5)6 − 9
(+2−5=8)
40.0%
6.0 / 15
60.3%
−63
= = 1 = 1 0 0 = 0 = 0 0 = = =
–   Shallow r688 64-bit2410+19
−19
(−10)10.5 − 7.5
(+7−4=7)
58.3%
10.5 / 18
72.1%
+43
0 1 = = 1 = 1 = = 0 1 1 0 0 1 1 = =
–   Ares 1.005.2 64-bit2407+18
−18
(−13)5 − 5
(+3−3=4)
50.0%
5.0 / 10
77.4%
−17
1 1 1 = 0 = = 0 0 =
–   Simplex 0.9.8 64-bit2400+20
−20
(−20)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
86.6%
−56
1 0 1 0 1 = 1 0 0 0
–   Gaia 3.5 64-bit2399+25
−25
(−21)5.5 − 5.5
(+4−4=3)
50.0%
5.5 / 11
85.9%
−16
1 0 0 = = 0 0 1 1 1 =
–   Tigran 2.4n 64-bit2392+18
−18
(−28)11.5 − 6.5
(+9−4=5)
63.9%
11.5 / 18
94.9%
+67
0 0 0 1 = = 1 = 1 1 = = 1 1 1 1 1 0
–   Alex 2.14a 64-bit2390+19
−19
(−30)7 − 3
(+5−1=4)
70.0%
7.0 / 10
95.5%
+97
= = 1 1 1 1 1 0 = =
–   Maverick 0.60 64-bit2390+33
−33
(−30)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
91.0%
−69
= 0 = 0 = 1
–   Waxman 20142387+22
−22
(−33)0 − 4
(+0−4=0)
0.0%
0.0 / 4
96.6%
−INF
0 0 0 0
–   Sorgenkind 0.42386+15
−15
(−34)6 − 4
(+5−3=2)
60.0%
6.0 / 10
98.0%
+38
= 0 1 0 1 = 1 0 1 1
–   Rotor 0.32379+32
−32
(−41)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
96.8%
−9
= = 0 1 = 1 0 = 1 =
–   Myrddin 0.87 64-bit2379+17
−17
(−41)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
99.2%
+18
= 1 = =
–   OliThink 5.3.2 64-bit2372+19
−19
(−48)7 − 3
(+6−2=2)
70.0%
7.0 / 10
99.7%
+101
1 1 = 1 0 = 1 1 1 0
–   Carballo 1.1.12371+32
−32
(−49)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
98.8%
+60
= 0 1 1 = 1 = 1 1 0
–   iCE 0.22370+19
−19
(−50)6 − 4
(+4−2=4)
60.0%
6.0 / 10
99.8%
+16
= 0 1 0 1 = 1 = 1 =
–   Tytan 9.32 64-bit2366+30
−30
(−54)6.5 − 3.5
(+5−2=3)
65.0%
6.5 / 10
99.5%
+55
1 1 0 = 1 1 0 = 1 =
–   Donna 1.0 64-bit2352+30
−30
(−68)6 − 2
(+5−1=2)
75.0%
6.0 / 8
99.9%
+110
1 1 = 1 0 1 = 1
–   Jazz 840 64-bit2345+21
−21
(−75)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−75
1 0 1 0
–   Typhoon 1.00-358 64-bit2342+35
−35
(−78)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+150
1 1 = 0 1 = 1 1 1 1
–   Maverick 0.51 64-bit2335+22
−22
(−85)9 − 5
(+7−3=4)
64.3%
9.0 / 14
100.0%
+9
1 1 0 = 1 = 0 1 0 = 1 = 1 1
–   CyberPagno 2.2 64-bit2332+23
−23
(−88)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
100.0%
−70
1 1 1 = 0 = = 1 1 0 1 = 0 = 0 0 1 0
–   Nemeton 1.12327+29
−29
(−93)9 − 9
(+8−8=2)
50.0%
9.0 / 18
100.0%
−89
1 = 1 0 0 1 1 0 0 1 = 0 0 0 1 1 0 1
–   Gibbon 2.60a 64-bit2326+23
−23
(−94)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+132
1 0 1 1
–   Bagatur 1.3a 64-bit2323+19
−19
(−97)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+54
= = 1 = 1 1 1 = = 1
–   Nemeton 1.22306+27
−27
(−114)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+168
1 1 1 =
–   pikoSzachy Extreme2305+31
−31
(−115)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+110
1 1 1 0
–   FireFly 2.7.0 64-bit2285+18
−18
(−135)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+153
1 1 1 =
–   Lozza 1.14a 64-bit2238+29
−29
(−182)8 − 2
(+7−1=2)
80.0%
8.0 / 10
100.0%
+46
1 0 1 1 1 = 1 = 1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
K2 0.71
played with current
participants of this list
Represented by
1-2-CPU    87K2 0.87
32-bit    32nothing
32-bit 1-2-CPU    32nothing
32-bit single-CPU    32nothing
All    87K2 0.87
Free    76K2 0.87
Free 1-2-CPU    76K2 0.87
Free 32-bit    32nothing
Free 32-bit 1-2-CPU    32nothing
Free 32-bit single-CPU    32nothing
Free single-CPU    76K2 0.87
Single-CPU    87K2 0.87

Created in 2005-2013 by CCRL team
Last games added on December 16, 2017