CCRL 40/40
Downloads and Statistics
November 11, 2017
Testing summary:
Total: 754'213 games
played by 1'962 programs
103027 CPU days (X2 4600+)

White wins: 259'159 (34.4%)
Black wins: 192'263 (25.5%)
Draws: 302'791 (40.1%)
White score: 54.4%

Engine Details

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Show each game results
K2 0.75 (2488+23
−23
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 8 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ChessBrainVB 2.052668+23
−23
(+180)2 − 4
(+0−2=4)
33.3%
2.0 / 6
0.0%
+90
0 = = 0 = =
–   Laser 0.2.1 64-bit2640+25
−25
(+152)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
0.0%
−54
0 = = 0 0 0 = 0
–   Sjakk 2.2 64-bit2632+16
−16
(+144)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   NoraGrace 2.0 64-bit2622+17
−17
(+134)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−23
= 0 = 0
–   Donna 4.0 64-bit2603+17
−17
(+115)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+72
0 = 0 0 1 = = 1
–   Arminius 2015-08-06 64-bit2603+20
−19
(+115)3.5 − 8.5
(+2−7=3)
29.2%
3.5 / 12
0.0%
−38
0 = = 0 = 1 0 1 0 0 0 0
–   GreKo 12.8 64-bit2602+30
−30
(+114)3.5 − 8.5
(+1−6=5)
29.2%
3.5 / 12
0.0%
−18
0 0 = 0 = 0 0 1 = = 0 =
–   GreKo 12.9 64-bit2589+30
−31
(+101)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−41
= 0
–   Jellyfish 1.1 64-bit2575+17
−17
(+87)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.0%
+61
= = = 1 1 0 0 0 0 0 = 1 = 1
–   Brutus 8.05 64-bit2567+28
−28
(+79)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−77
0 =
–   Capivara LK 0.09b02f 64-bit2565+18
−18
(+77)3 − 5
(+3−5=0)
37.5%
3.0 / 8
0.0%
−30
0 0 1 0 1 0 0 1
–   Zurichess Glarus 64-bit2557+27
−27
(+69)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
0.0%
+1
0 1 1 0 0 =
–   JikChess 0.02 64-bit2556+17
−17
(+68)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
0.0%
+158
0 1 = 1 1 1 = = = =
–   Arasan 12.0 64-bit2555+23
−23
(+67)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+130
1 = 1 1 = = 0 1 = 0
–   Crafty 21.5 32-bit2542+32
−32
(+54)2.5 − 7.5
(+2−7=1)
25.0%
2.5 / 10
0.3%
−158
0 0 0 1 0 1 = 0 0 0
–   nanoSzachy 4.0 64-bit2541+19
−19
(+53)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−48
0 0 0 1 1 = = = 0 0
–   Phalanx XXIV2534+20
−20
(+46)2 − 3
(+0−1=4)
40.0%
2.0 / 5
0.1%
+6
0 = = = =
–   nanoSzachy 4.1 64-bit2532+17
−18
(+44)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.1%
−INF
0
–   Fridolin 2.0 64-bit2525+16
−16
(+37)6 − 9
(+2−5=8)
40.0%
6.0 / 15
0.5%
−17
1 = = = = 0 = 0 0 0 = 1 = 0 =
–   Maverick 1.5 64-bit2519+18
−18
(+31)6 − 5
(+4−3=4)
54.5%
6.0 / 11
1.6%
+65
0 1 0 1 = = = 1 = 1 0
–   Donna 3.1 64-bit2515+28
−28
(+27)5 − 4
(+3−2=4)
55.6%
5.0 / 9
6.7%
+67
1 1 0 = = = 0 = 1
–   AnMon 5.602512+15
−15
(+24)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
4.1%
−7
1 0 1 1 = = 0 0 0 =
–   Hamsters 0.42506+31
−31
(+18)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
17.0%
+53
1 0 0 = 1 = 1 0 = 1
–   Maverick 1.0 64-bit2505+26
−25
(+17)12 − 8
(+10−6=4)
60.0%
12.0 / 20
15.3%
+90
1 = 1 0 = 1 1 0 1 = 0 1 1 1 0 0 1 0 1 =
–   LittleThought 1.052 64-bit2504+18
−18
(+16)1 − 1
(+1−1=0)
50.0%
1.0 / 2
13.8%
+16
0 1
–   Tao 5.62503+17
−17
(+15)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
15.0%
−15
=
–   Arminius 2014-01-18 64-bit2500+24
−24
(+12)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
23.1%
+107
= 0 1 1
–   Delphil 3.2 64-bit2493+17
−17
(+5)11 − 10
(+6−5=10)
52.4%
11.0 / 21
34.0%
+20
0 = = = 1 = 1 1 1 1 = = 0 1 0 = 0 0 = = =
–   Pupsi2 0.092490+18
−18
(+2)1 − 1
(+1−1=0)
50.0%
1.0 / 2
43.9%
+2
1 0
–   Pepito 1.59 64-bit2489+18
−19
(+1)1 − 3
(+0−2=2)
25.0%
1.0 / 4
45.4%
−149
0 0 = =
–   Xpdnt 0910072487+16
−16
(−1)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
52.8%
−158
0 =
–   Yace 0.99.872487+18
−18
(−1)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
50.6%
+29
=
–   JikChess 0.01 64-bit2485+24
−24
(−3)10 − 12
(+7−9=6)
45.5%
10.0 / 22
56.0%
−34
= 0 0 = 1 1 0 = 1 1 0 0 = 1 = 0 1 0 0 0 = 1
–   Ghost 2.0.2 64-bit2482+18
−18
(−6)13.5 − 11.5
(+9−7=9)
54.0%
13.5 / 25
64.7%
+25
= 1 = 0 = = 0 1 = = 0 0 0 1 = = 1 1 = 0 1 1 1 1 0
–   Green Light Chess 3.01.2.22479+36
−36
(−9)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
65.1%
+5
1 0 =
–   Shield 1.2 64-bit2474+27
−27
(−14)4 − 4
(+3−3=2)
50.0%
4.0 / 8
77.6%
−14
0 0 = = 1 1 0 1
–   Pawny 0.3.1 64-bit2474+23
−23
(−14)4 − 6
(+2−4=4)
40.0%
4.0 / 10
79.5%
−73
0 = 0 0 1 = 0 1 = =
–   Quark 2.352470+19
−19
(−18)1 − 0
(+1−0=0)
100.0%
1.0 / 1
87.9%
+INF
1
–   Giraffe 20150908 64-bit2462+21
−21
(−26)0 − 2
(+0−2=0)
0.0%
0.0 / 2
94.4%
−INF
0 0
–   Carballo 1.32459+25
−25
(−29)5 − 7
(+3−5=4)
41.7%
5.0 / 12
95.5%
−81
= 1 1 1 0 0 0 = 0 0 = =
–   Donna 3.0 64-bit2458+32
−33
(−30)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
92.6%
+226
1 = 1 1 1 1 0 1
–   Donna 2.1 64-bit2457+27
−27
(−31)16 − 14
(+10−8=12)
53.3%
16.0 / 30
95.9%
−8
0 1 0 0 = 1 = = 1 0 = = = 1 1 = 0 0 = 0 1 = 1 1 = = 1 0 = 1
–   Bumblebee 1.0 64-bit2450+27
−27
(−38)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
98.0%
−73
= 1 0 = 0 = 1 1 0 0
–   Dorky 4.3 64-bit2448+28
−28
(−40)2 − 2
(+2−2=0)
50.0%
2.0 / 4
98.4%
−40
1 0 0 1
–   Carballo 1.22447+26
−26
(−41)5 − 7
(+2−4=6)
41.7%
5.0 / 12
98.9%
−90
= 0 1 0 = = 0 = = 1 0 =
–   Eeyore 1.52 64-bit2446+19
−19
(−42)6 − 4
(+5−3=2)
60.0%
6.0 / 10
99.7%
+36
1 1 1 = 0 0 0 1 1 =
–   Betsabe II 1.472440+20
−20
(−48)11.5 − 10.5
(+8−7=7)
52.3%
11.5 / 22
99.9%
−33
= 0 0 0 0 = 1 1 0 = = 1 1 = 1 = = 1 1 0 0 1
–   Zurichess Fribourg 64-bit2440+29
−29
(−48)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.3%
−48
0 1
–   Abrok 5.02430+22
−22
(−58)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
+8
1 = 1 = = = 1 0 1 0
–   Snitch 1.6.2 64-bit2430+25
−25
(−58)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−58
1 0
–   RedQueen 0.7.5 64-bit2427+35
−35
(−61)7 − 3
(+4−0=6)
70.0%
7.0 / 10
99.8%
+50
1 = = 1 = = 1 1 = =
–   Cmcchess 2.6 64-bit2422+19
−19
(−66)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+76
1 =
–   Ares 1.005 64-bit2416+19
−19
(−72)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−72
= = 0 1
–   Shallow r688 64-bit2410+19
−19
(−78)8.5 − 7.5
(+7−6=3)
53.1%
8.5 / 16
100.0%
−56
1 1 0 1 = = 1 = 1 0 0 0 0 0 1 1
–   Bitfoot 1.0.d9aeb43 64-bit2409+27
−27
(−79)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−79
1 0
–   Ares 1.005.2 64-bit2407+18
−18
(−81)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Gaia 3.5 64-bit2404+25
−25
(−84)8.5 − 3.5
(+7−2=3)
70.8%
8.5 / 12
100.0%
+71
0 1 0 1 1 = 1 1 1 = 1 =
–   Simplex 0.9.8 64-bit2401+20
−20
(−87)9.5 − 2.5
(+8−1=3)
79.2%
9.5 / 12
100.0%
+127
1 1 1 1 1 1 0 1 = = = 1
–   RomiChess P3L 64-bit2398+23
−23
(−90)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−21
1 = 0 = = = 1 1 0 1
–   Tigran 2.4n 64-bit2393+18
−18
(−95)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
100.0%
−71
0 = 1 = 1 0 0 = 1 = 1 1 1 = 0 1 0 0
–   Alex 2.14a 64-bit2391+19
−19
(−97)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−33
1 = 1 1 = = 0 0 = 1
–   Waxman 20142387+22
−22
(−101)13.5 − 6.5
(+10−3=7)
67.5%
13.5 / 20
100.0%
+14
1 1 = 0 1 0 1 = 1 = = 0 1 1 = 1 = = 1 1
–   Myrddin 0.87 64-bit2380+17
−17
(−108)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
100.0%
−391
0 0 = 0
–   OliThink 5.3.2 64-bit2372+19
−19
(−116)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
100.0%
−147
1 = = 0 0 = 1 0 1 0
–   iCE 0.22370+19
−19
(−118)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+31
1 1 1 = = 1 1 1 0 0
–   MadChess 2.0 64-bit2367+22
−22
(−121)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Jazz 840 64-bit2345+21
−21
(−143)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+14
= 1
–   Lozza 1.15 64-bit2344+25
−25
(−144)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+7
= 1 1 1 = = 1 1 = =
–   Plisk 0.2.7d 64-bit2342+26
−26
(−146)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
100.0%
+33
1 = 1 = 1 1 1 = 0 1
–   CyberPagno 2.2 64-bit2333+23
−23
(−155)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Gibbon 2.69a 64-bit2316+19
−19
(−172)9 − 1
(+9−1=0)
90.0%
9.0 / 10
100.0%
+255
1 1 1 0 1 1 1 1 1 1
–   Nemeton 1.22307+27
−27
(−181)3 − 3
(+1−1=4)
50.0%
3.0 / 6
100.0%
−181
= = 1 = 0 =
–   Fischerle 0.9.65 64-bit2286+29
−29
(−202)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−59
1 =
–   FireFly 2.7.0 64-bit2285+18
−18
(−203)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−60
1 =
–   Orion 0.2 64-bit2277+21
−21
(−211)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−211
0 1
–   Protej 0.5.8c2254+21
−20
(−234)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1

Rating changes by day

Rating changes with played games

Participation in the pure lists

Pure listRankRatingNumber of games
K2 0.75
played with current
participants of this list
Represented by
1-2-CPU    207K2 0.87
32-bit    25nothing
32-bit 1-2-CPU    25nothing
32-bit single-CPU    25nothing
All    217K2 0.87
Free    217K2 0.87
Free 1-2-CPU    207K2 0.87
Free 32-bit    25nothing
Free 32-bit 1-2-CPU    25nothing
Free 32-bit single-CPU    25nothing
Free single-CPU    207K2 0.87
Single-CPU    207K2 0.87

Created in 2005-2013 by CCRL team
Last games added on November 11, 2017