CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

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-bit2631+16
−16
(+143)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
–   GreKo 12.8 64-bit2603+30
−30
(+115)3.5 − 8.5
(+1−6=5)
29.2%
3.5 / 12
0.0%
−17
0 0 = 0 = 0 0 1 = = 0 =
–   Arminius 2015-08-06 64-bit2603+19
−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
–   Donna 4.0 64-bit2602+17
−17
(+114)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+71
0 = 0 0 1 = = 1
–   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+16
−17
(+87)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.0%
+61
= = 0 0 0 0 0 1 = 1 = 1 = 1
–   Brutus 8.05 64-bit2567+27
−27
(+79)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−77
0 =
–   Capivara LK 0.09b02f 64-bit2566+18
−18
(+78)3 − 5
(+3−5=0)
37.5%
3.0 / 8
0.0%
−29
0 1 0 1 1 0 0 0
–   Zurichess Glarus 64-bit2557+27
−27
(+69)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
0.0%
+1
0 = 0 1 1 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
–   nanoSzachy 4.0 64-bit2544+19
−19
(+56)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−45
0 0 0 1 1 = = = 0 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
–   Phalanx XXIV2535+20
−20
(+47)2 − 3
(+0−1=4)
40.0%
2.0 / 5
0.1%
+7
= = 0 = =
–   nanoSzachy 4.1 64-bit2533+17
−18
(+45)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.1%
−INF
0
–   Fridolin 2.0 64-bit2526+16
−16
(+38)6 − 9
(+2−5=8)
40.0%
6.0 / 15
0.4%
−16
= 0 0 0 = 1 = 0 = = = = 1 0 =
–   Maverick 1.5 64-bit2520+18
−18
(+32)6 − 5
(+4−3=4)
54.5%
6.0 / 11
1.6%
+66
0 0 1 = = = 1 = 1 0 1
–   Donna 3.1 64-bit2516+28
−28
(+28)5 − 4
(+3−2=4)
55.6%
5.0 / 9
6.6%
+68
1 1 0 = = 0 = 1 =
–   AnMon 5.602513+15
−15
(+25)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
4.0%
−6
1 0 1 1 = = 0 0 0 =
–   LittleThought 1.052 64-bit2506+18
−18
(+18)1 − 1
(+1−1=0)
50.0%
1.0 / 2
12.0%
+18
0 1
–   Maverick 1.0 64-bit2506+26
−25
(+18)12 − 8
(+10−6=4)
60.0%
12.0 / 20
15.4%
+91
= 1 0 1 0 1 = 1 0 1 1 1 1 0 = 1 0 0 1 =
–   Hamsters 0.42506+31
−31
(+18)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
17.6%
+53
1 0 0 = 1 = 1 0 = 1
–   Tao 5.62503+17
−17
(+15)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
15.6%
−15
=
–   Arminius 2014-01-18 64-bit2501+24
−24
(+13)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
23.1%
+108
1 1 = 0
–   Delphil 3.2 64-bit2495+17
−17
(+7)11 − 10
(+6−5=10)
52.4%
11.0 / 21
32.2%
+22
= 0 = = = 0 1 1 = 1 1 = 1 = = 0 1 0 = 0 =
–   Pepito 1.59 64-bit2494+18
−18
(+6)1 − 3
(+0−2=2)
25.0%
1.0 / 4
35.2%
−144
0 0 = =
–   Pupsi2 0.092491+18
−18
(+3)1 − 1
(+1−1=0)
50.0%
1.0 / 2
43.4%
+3
1 0
–   Xpdnt 0910072487+16
−16
(−1)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
53.9%
−158
0 =
–   Yace 0.99.872487+18
−18
(−1)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
51.8%
+29
=
–   JikChess 0.01 64-bit2486+24
−24
(−2)10 − 12
(+7−9=6)
45.5%
10.0 / 22
56.0%
−33
= 0 = 1 1 0 = 1 1 1 0 0 = 1 = 0 = 0 1 0 0 0
–   Ghost 2.0.2 64-bit2483+18
−18
(−5)13.5 − 11.5
(+9−7=9)
54.0%
13.5 / 25
64.8%
+26
1 = 0 = 1 1 = = 0 1 0 0 1 = = = 0 = 1 1 = 0 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
65.7%
+5
1 0 =
–   Pawny 0.3.1 64-bit2475+23
−23
(−13)4 − 6
(+2−4=4)
40.0%
4.0 / 10
79.1%
−72
0 = 0 0 1 = 0 1 = =
–   Shield 1.2 64-bit2474+27
−27
(−14)4 − 4
(+3−3=2)
50.0%
4.0 / 8
78.2%
−14
0 0 = = 1 1 0 1
–   Quark 2.352467+18
−18
(−21)1 − 0
(+1−0=0)
100.0%
1.0 / 1
91.8%
+INF
1
–   Giraffe 20150908 64-bit2462+21
−21
(−26)0 − 2
(+0−2=0)
0.0%
0.0 / 2
95.2%
−INF
0 0
–   Carballo 1.32459+25
−25
(−29)5 − 7
(+3−5=4)
41.7%
5.0 / 12
95.4%
−81
0 0 = 0 0 = 1 1 1 0 = =
–   Donna 3.0 64-bit2459+32
−33
(−29)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
92.6%
+227
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 0 1 0 0 = 1 = = 1 0 0 = = = 1 = 1 = = 0 1 0 = 1 1 = = 1 1
–   Dorky 4.3 64-bit2449+28
−28
(−39)2 − 2
(+2−2=0)
50.0%
2.0 / 4
98.3%
−39
0 1 0 1
–   Carballo 1.22447+26
−26
(−41)5 − 7
(+2−4=6)
41.7%
5.0 / 12
99.1%
−90
= 0 1 0 = = 0 = = 1 0 =
–   Bumblebee 1.0 64-bit2446+26
−26
(−42)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
99.1%
−77
0 = = 1 0 = 1 1 0 0
–   Eeyore 1.52 64-bit2446+18
−18
(−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 0 0 = = 0 1 1 = 1 = = = 1 = 1 1 1 1
–   Zurichess Fribourg 64-bit2440+29
−29
(−48)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.4%
−48
0 1
–   Abrok 5.02434+21
−21
(−54)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
+12
1 = 1 = = = 1 0 1 0
–   Snitch 1.6.2 64-bit2433+24
−24
(−55)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.9%
−55
1 0
–   RedQueen 0.7.5 64-bit2428+35
−35
(−60)7 − 3
(+4−0=6)
70.0%
7.0 / 10
99.8%
+51
1 = = 1 = = 1 1 = =
–   Cmcchess 2.6 64-bit2421+18
−19
(−67)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+75
1 =
–   Ares 1.005 64-bit2415+18
−19
(−73)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−73
= 0 = 1
–   Shallow r688 64-bit2411+19
−19
(−77)8.5 − 7.5
(+7−6=3)
53.1%
8.5 / 16
100.0%
−55
1 1 1 = 1 = 1 0 = 0 1 0 0 0 0 1
–   Bitfoot 1.0.d9aeb43 64-bit2410+27
−27
(−78)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−78
1 0
–   Ares 1.005.2 64-bit2408+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
(−86)9.5 − 2.5
(+8−1=3)
79.2%
9.5 / 12
100.0%
+128
1 1 1 1 1 0 1 1 = = = 1
–   Gaia 3.5 64-bit2400+24
−25
(−88)8.5 − 3.5
(+7−2=3)
70.8%
8.5 / 12
100.0%
+67
0 1 0 1 1 = 1 1 1 = 1 =
–   RomiChess P3L 64-bit2399+23
−23
(−89)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−20
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 0 = 1 = 1 0 0 = 1 = 1 1 1 1 = 0 0
–   Alex 2.14a 64-bit2393+19
−19
(−95)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−31
1 = 1 1 = = 0 0 = 1
–   Waxman 20142388+22
−22
(−100)13.5 − 6.5
(+10−3=7)
67.5%
13.5 / 20
100.0%
+15
1 1 = 0 = 1 = = 0 1 1 = 1 1 1 1 0 = = 1
–   Myrddin 0.87 64-bit2381+17
−17
(−107)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
100.0%
−390
0 0 = 0
–   OliThink 5.3.2 64-bit2374+19
−19
(−114)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
100.0%
−145
1 = = 0 0 = 1 0 1 0
–   iCE 0.22371+19
−19
(−117)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+32
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-bit2346+21
−21
(−142)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+15
= 1
–   Plisk 0.2.7d 64-bit2345+25
−25
(−143)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
100.0%
+36
1 = 1 = 1 1 1 = 0 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 = =
–   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 1.22306+27
−27
(−182)3 − 3
(+1−1=4)
50.0%
3.0 / 6
100.0%
−182
= = 1 = 0 =
–   Fischerle 0.9.65 64-bit2287+29
−29
(−201)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−58
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 0.5.8c2251+20
−20
(−237)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 February 17, 2018