CCRL 40/40
Downloads and Statistics
April 14, 2018
Testing summary:
Total: 819'589 games
played by 2'137 programs
114281 CPU days (X2 4600+)

White wins: 281'160 (34.3%)
Black wins: 208'166 (25.4%)
Draws: 330'263 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
K2 0.75 (2489+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
(+179)2 − 4
(+0−2=4)
33.3%
2.0 / 6
0.0%
+89
= 0 0 = = =
–   Laser 0.2.1 64-bit2644+24
−24
(+155)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
0.0%
−51
= 0 0 0 = 0 0 =
–   Sjakk 2.2 64-bit2630+16
−16
(+141)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   NoraGrace 2.0 64-bit2624+17
−17
(+135)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−22
0 = = 0
–   Donna 4.0 64-bit2603+17
−16
(+114)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+71
= 1 0 = 0 0 1 =
–   Arminius 2015-08-06 64-bit2603+20
−20
(+114)3.5 − 8.5
(+2−7=3)
29.2%
3.5 / 12
0.0%
−39
1 0 1 0 0 0 = = 0 = 0 0
–   GreKo 12.8 64-bit2603+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+31
−31
(+100)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−42
0 =
–   Jellyfish 1.1 64-bit2577+16
−17
(+88)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.0%
+62
0 0 0 0 0 1 = = = 1 = 1 = 1
–   Brutus 8.05 64-bit2569+26
−26
(+80)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−76
0 =
–   Capivara LK 0.09b02f 64-bit2566+18
−18
(+77)3 − 5
(+3−5=0)
37.5%
3.0 / 8
0.0%
−30
1 0 1 1 0 0 0 0
–   Zurichess Glarus 64-bit2557+27
−27
(+68)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
0.0%
0
0 1 1 0 0 =
–   Arasan 12.0 64-bit2555+23
−23
(+66)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+129
= = 0 1 1 = 1 1 = 0
–   JikChess 0.02 64-bit2555+17
−17
(+66)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
0.0%
+156
= = = = 0 1 = 1 1 1
–   nanoSzachy 4.0 64-bit2544+18
−18
(+55)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−46
1 = = = 0 0 0 1 0 0
–   Crafty 21.5 32-bit2542+32
−32
(+53)2.5 − 7.5
(+2−7=1)
25.0%
2.5 / 10
0.4%
−159
0 1 = 0 0 0 0 1 0 0
–   Phalanx XXIV2535+20
−20
(+46)2 − 3
(+0−1=4)
40.0%
2.0 / 5
0.1%
+6
= 0 = = =
–   nanoSzachy 4.1 64-bit2534+17
−17
(+45)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.1%
−INF
0
–   Fridolin 2.0 64-bit2526+16
−16
(+37)6 − 9
(+2−5=8)
40.0%
6.0 / 15
0.4%
−17
0 = 0 0 0 = 1 0 1 = = = = = =
–   Maverick 1.5 64-bit2520+17
−18
(+31)6 − 5
(+4−3=4)
54.5%
6.0 / 11
1.6%
+65
0 1 = = = 1 = 1 0 1 0
–   Donna 3.1 64-bit2516+28
−28
(+27)5 − 4
(+3−2=4)
55.6%
5.0 / 9
6.8%
+67
= = 1 1 1 0 = = 0
–   AnMon 5.602513+15
−15
(+24)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
4.1%
−7
= = 0 0 1 0 1 1 0 =
–   Hamsters 0.42507+31
−31
(+18)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
17.8%
+53
0 = 1 = 1 0 1 0 = 1
–   Maverick 1.0 64-bit2506+25
−26
(+17)12 − 8
(+10−6=4)
60.0%
12.0 / 20
15.5%
+90
1 1 0 1 = 0 1 1 1 1 = 0 = 1 0 = 1 0 0 1
–   LittleThought 1.052 64-bit2506+18
−18
(+17)1 − 1
(+1−1=0)
50.0%
1.0 / 2
12.1%
+17
1 0
–   Tao 5.62503+17
−17
(+14)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
15.8%
−16
=
–   Arminius 2014-01-18 64-bit2501+24
−24
(+12)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
23.5%
+107
1 1 = 0
–   Pepito 1.59 64-bit2495+18
−18
(+6)1 − 3
(+0−2=2)
25.0%
1.0 / 4
34.5%
−144
= 0 0 =
–   Delphil 3.2 64-bit2494+17
−17
(+5)11 − 10
(+6−5=10)
52.4%
11.0 / 21
34.0%
+20
= 0 1 1 1 1 = = = 0 0 = = = 1 = = 0 1 0 =
–   Pupsi2 0.092490+18
−18
(+1)1 − 1
(+1−1=0)
50.0%
1.0 / 2
45.5%
+1
0 1
–   Yace 0.99.872488+18
−17
(−1)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
51.7%
+29
=
–   Xpdnt 0910072487+16
−16
(−2)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
54.2%
−159
= 0
–   JikChess 0.01 64-bit2486+24
−24
(−3)10 − 12
(+7−9=6)
45.5%
10.0 / 22
56.3%
−34
1 1 1 0 = 1 1 0 0 = 1 = 0 = = = 0 0 1 0 0 0
–   Green Light Chess 3.01.2.22485+35
−36
(−4)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
57.3%
+10
1 0 =
–   Ghost 2.0.2 64-bit2483+18
−18
(−6)13.5 − 11.5
(+9−7=9)
54.0%
13.5 / 25
65.3%
+25
1 1 1 = = 0 0 0 1 = = = 0 0 1 1 = 0 = = 1 1 = 0 1
–   Pawny 0.3.1 64-bit2474+23
−23
(−15)4 − 6
(+2−4=4)
40.0%
4.0 / 10
80.2%
−74
0 0 1 = 0 = 0 1 = =
–   Shield 1.2 64-bit2474+27
−27
(−15)4 − 4
(+3−3=2)
50.0%
4.0 / 8
78.7%
−15
0 0 = = 1 1 0 1
–   Quark 2.352467+18
−18
(−22)1 − 0
(+1−0=0)
100.0%
1.0 / 1
92.0%
+INF
1
–   Carballo 1.32460+25
−25
(−29)5 − 7
(+3−5=4)
41.7%
5.0 / 12
95.5%
−81
= 0 0 = 0 = 1 1 1 0 = 0
–   Giraffe 20150908 64-bit2460+21
−21
(−29)0 − 2
(+0−2=0)
0.0%
0.0 / 2
96.5%
−INF
0 0
–   Donna 3.0 64-bit2459+33
−33
(−30)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
92.8%
+226
1 1 1 = 1 1 0 1
–   Donna 2.1 64-bit2458+27
−27
(−31)16 − 14
(+10−8=12)
53.3%
16.0 / 30
95.9%
−8
= 0 0 = = = 1 1 = 0 1 = = 1 0 = 0 1 1 0 1 0 0 = = 1 1 = = 1
–   Bumblebee 1.0 64-bit2449+26
−26
(−40)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
98.8%
−75
0 = 1 1 0 0 = 1 0 =
–   Dorky 4.3 64-bit2449+28
−28
(−40)2 − 2
(+2−2=0)
50.0%
2.0 / 4
98.4%
−40
1 0 1 0
–   Carballo 1.22448+26
−26
(−41)5 − 7
(+2−4=6)
41.7%
5.0 / 12
99.0%
−90
= = 0 = = = 0 1 0 1 0 =
–   Eeyore 1.52 64-bit2446+18
−18
(−43)6 − 4
(+5−3=2)
60.0%
6.0 / 10
99.8%
+35
0 0 1 1 1 = 0 1 1 =
–   Zurichess Fribourg 64-bit2441+29
−29
(−48)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.4%
−48
0 1
–   Betsabe II 1.472441+20
−20
(−48)11.5 − 10.5
(+8−7=7)
52.3%
11.5 / 22
99.9%
−33
0 0 = = 1 1 = 1 = = = 1 1 0 0 0 0 0 = 1 1 1
–   Abrok 5.02434+21
−21
(−55)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
+11
= = 1 0 1 = 1 = 1 0
–   Snitch 1.6.2 64-bit2432+24
−24
(−57)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−57
1 0
–   RedQueen 0.7.5 64-bit2428+35
−35
(−61)7 − 3
(+4−0=6)
70.0%
7.0 / 10
99.8%
+50
= 1 = = 1 = 1 1 = =
–   Cmcchess 2.6 64-bit2423+18
−18
(−66)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+76
1 =
–   Ares 1.005 64-bit2416+18
−19
(−73)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−73
0 = 1 =
–   Shallow r688 64-bit2411+19
−19
(−78)8.5 − 7.5
(+7−6=3)
53.1%
8.5 / 16
100.0%
−56
= 1 = 1 0 1 = 1 1 1 0 1 0 0 0 0
–   Bitfoot 1.0.d9aeb43 64-bit2411+27
−27
(−78)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−78
1 0
–   Ares 1.005.2 64-bit2409+18
−18
(−80)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Simplex 0.9.8 64-bit2402+19
−19
(−87)9.5 − 2.5
(+8−1=3)
79.2%
9.5 / 12
100.0%
+127
1 1 1 0 1 1 1 1 1 = = =
–   Gaia 3.5 64-bit2400+24
−24
(−89)8.5 − 3.5
(+7−2=3)
70.8%
8.5 / 12
100.0%
+66
1 = 1 0 1 0 1 1 1 = 1 =
–   RomiChess P3L 64-bit2400+23
−23
(−89)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−20
0 = = = 1 = 1 1 0 1
–   Tigran 2.4n 64-bit2393+18
−18
(−96)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
100.0%
−72
1 1 0 0 = 1 = 1 1 0 0 0 = 1 = 1 = 0
–   Alex 2.14a 64-bit2391+18
−19
(−98)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−34
= = 0 0 1 = 1 1 = 1
–   Waxman 20142389+22
−22
(−100)13.5 − 6.5
(+10−3=7)
67.5%
13.5 / 20
100.0%
+15
1 = 1 = = 0 1 1 = 1 1 1 1 = 0 1 0 = = 1
–   Myrddin 0.87 64-bit2384+17
−17
(−105)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
100.0%
−388
= 0 0 0
–   OliThink 5.3.2 64-bit2376+19
−19
(−113)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
100.0%
−144
= 0 0 = 1 = 1 0 1 0
–   iCE 0.22371+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-bit2368+22
−22
(−121)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Plisk 0.2.7d 64-bit2352+24
−24
(−137)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
100.0%
+42
1 = 1 1 1 = 1 = 0 1
–   Jazz 840 64-bit2347+21
−21
(−142)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+15
= 1
–   Lozza 1.15 64-bit2345+25
−25
(−144)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+7
= 1 1 1 = = = 1 1 =
–   CyberPagno 2.2 64-bit2334+23
−23
(−155)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Gibbon 2.69a 64-bit2316+18
−19
(−173)9 − 1
(+9−1=0)
90.0%
9.0 / 10
100.0%
+254
1 0 1 1 1 1 1 1 1 1
–   Nemeton 1.22308+26
−27
(−181)3 − 3
(+1−1=4)
50.0%
3.0 / 6
100.0%
−181
0 = = 1 = =
–   FireFly 2.7.0 64-bit2288+17
−17
(−201)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−58
1 =
–   Fischerle 0.9.65 64-bit2287+29
−29
(−202)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−59
1 =
–   Orion 0.2 64-bit2278+21
−21
(−211)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−211
0 1
–   Protej 0.5.8c2251+20
−20
(−238)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1

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Created in 2005-2013 by CCRL team
Last games added on April 14, 2018