CCRL 40/40
Downloads and Statistics
December 9, 2017
Testing summary:
Total: 766'023 games
played by 1'997 programs
104955 CPU days (X2 4600+)

White wins: 262'896 (34.3%)
Black wins: 194'802 (25.4%)
Draws: 308'325 (40.3%)
White score: 54.4%

Engine Details

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Show each game results
K2 0.79 (2437+29
−29
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 8 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   GreKo 2015 64-bit2606+22
−22
(+169)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+86
–   Capivara LK 0.09b02f 64-bit2565+18
−18
(+128)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−132
–   GreKo 13.1 64-bit2563+30
−30
(+126)0 − 8
(+0−8=0)
0.0%
0.0 / 8
0.0%
−INF
–   SOS 5.12562+14
−14
(+125)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−54
–   JikChess 0.02 64-bit2556+17
−17
(+119)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+86
–   Arasan 12.0 64-bit2554+23
−23
(+117)2.5 − 5.5
(+1−4=3)
31.3%
2.5 / 8
0.0%
−5
–   Phalanx XXIV2534+20
−20
(+97)3 − 7
(+2−6=2)
30.0%
3.0 / 10
0.0%
−54
–   nanoSzachy 4.1 64-bit2532+18
−17
(+95)4 − 8
(+1−5=6)
33.3%
4.0 / 12
0.0%
−4
–   Fridolin 2.0 64-bit2525+16
−16
(+88)6 − 10
(+4−8=4)
37.5%
6.0 / 16
0.0%
0
–   Maverick 1.5 64-bit2519+18
−18
(+82)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.0%
+308
–   Donna 3.1 64-bit2515+28
−28
(+78)1.5 − 8.5
(+0−7=3)
15.0%
1.5 / 10
0.0%
−171
–   Crafty 20.14 32-bit2510+28
−28
(+73)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+30
–   LittleThought 1.052 64-bit2506+18
−18
(+69)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.0%
+225
–   Tao 5.62502+17
−17
(+65)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+65
–   Delphil 3.2 64-bit2494+17
−17
(+57)6 − 6
(+5−5=2)
50.0%
6.0 / 12
0.0%
+57
–   Pupsi2 0.092490+18
−18
(+53)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.1%
−INF
–   Pepito 1.59 64-bit2490+18
−18
(+53)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
0.1%
+209
–   Yace 0.99.872487+18
−18
(+50)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.2%
+50
–   Xpdnt 0910072486+16
−16
(+49)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.2%
+49
–   Ghost 2.0.2 64-bit2482+18
−18
(+45)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
0.5%
+17
–   Zurichess Geneva 64-bit2476+27
−27
(+39)3.5 − 10.5
(+1−8=5)
25.0%
3.5 / 14
2.7%
−125
–   Matacz 1.32475+26
−26
(+38)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
2.8%
+80
–   Shield 1.2 64-bit2474+27
−27
(+37)0 − 2
(+0−2=0)
0.0%
0.0 / 2
3.5%
−INF
–   Trace 1.37a2468+19
−19
(+31)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
4.2%
−12
–   Quark 2.352466+18
−18
(+29)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
5.1%
+171
–   Giraffe 20150908 64-bit2462+21
−21
(+25)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
8.8%
−6
–   Carballo 1.32459+25
−25
(+22)5 − 5
(+3−3=4)
50.0%
5.0 / 10
13.3%
+22
–   Bumblebee 1.0 64-bit2448+27
−27
(+11)1 − 1
(+1−1=0)
50.0%
1.0 / 2
29.5%
+11
–   Betsabe II 1.472440+20
−20
(+3)7 − 11
(+6−10=2)
38.9%
7.0 / 18
44.6%
−83
–   Typhoon 1.00-3482439+33
−34
(+2)3 − 5
(+1−3=4)
37.5%
3.0 / 8
46.9%
−67
–   Abrok 5.02431+21
−21
(−6)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
63.0%
−43
–   TJchess 1.3 64-bit2429+21
−21
(−8)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
66.9%
+274
–   Cmcchess 2.6 64-bit2423+19
−19
(−14)7.5 − 10.5
(+4−7=7)
41.7%
7.5 / 18
79.6%
−68
–   Ares 1.005 64-bit2416+18
−19
(−21)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
89.2%
+26
–   Shallow r688 64-bit2410+19
−19
(−27)5 − 3
(+4−2=2)
62.5%
5.0 / 8
93.9%
+61
–   Bitfoot 1.0.d9aeb43 64-bit2409+27
−27
(−28)12 − 4
(+10−2=4)
75.0%
12.0 / 16
92.3%
+150
–   Ares 1.005.2 64-bit2407+18
−18
(−30)4 − 2
(+2−0=4)
66.7%
4.0 / 6
95.7%
+58
–   Simplex 0.9.8 64-bit2401+20
−20
(−36)5 − 3
(+4−2=2)
62.5%
5.0 / 8
97.8%
+52
–   Gaia 3.5 64-bit2400+25
−25
(−37)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
97.3%
0
–   Lozza 1.16 64-bit2395+25
−25
(−42)13 − 5
(+10−2=6)
72.2%
13.0 / 18
98.6%
+111
–   Tigran 2.4n 64-bit2392+18
−18
(−45)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
99.5%
−2
–   Shield 1.1 64-bit2391+31
−31
(−46)5 − 5
(+4−4=2)
50.0%
5.0 / 10
98.5%
−50
–   Waxman 20142387+21
−22
(−50)2 − 2
(+1−1=2)
50.0%
2.0 / 4
99.7%
−60
–   Giraffe 20150828 64-bit2381+31
−31
(−56)5 − 3
(+3−1=4)
62.5%
5.0 / 8
99.6%
+18
–   Myrddin 0.87 64-bit2379+17
−17
(−58)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
100.0%
−127
–   MadChess 2.0 64-bit2366+22
−22
(−71)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
100.0%
−153
–   Waxman 20152353+24
−24
(−84)9.5 − 4.5
(+7−2=5)
67.9%
9.5 / 14
100.0%
+34
–   Jazz 840 64-bit2345+21
−21
(−92)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−9
–   CyberPagno 2.3 64-bit2338+27
−27
(−99)2.5 − 1.5
(+1−0=3)
62.5%
2.5 / 4
100.0%
−31
–   Gibbon 2.69a 64-bit2315+19
−19
(−122)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+27
–   Fischerle 0.9.65 64-bit2286+29
−29
(−151)4 − 0
(+4−0=0)
100.0%
4.0 / 4
100.0%
+INF

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
K2 0.79
played with current
participants of this list
Represented by
1-2-CPU    152K2 0.87
32-bit    24nothing
32-bit 1-2-CPU    24nothing
32-bit single-CPU    24nothing
All    152K2 0.87
Free    152K2 0.87
Free 1-2-CPU    152K2 0.87
Free 32-bit    24nothing
Free 32-bit 1-2-CPU    24nothing
Free 32-bit single-CPU    24nothing
Free single-CPU    152K2 0.87
Single-CPU    152K2 0.87

Created in 2005-2013 by CCRL team
Last games added on December 9, 2017