CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Engine Details

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Show each game results
K2 0.75 (2491+23
−23
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 10 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ChessBrainVB 2.052668+23
−23
(+177)2 − 4
(+0−2=4)
33.3%
2.0 / 6
0.0%
+87
0 = = 0 = =
–   Laser 0.2.1 64-bit2646+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-bit2634+15
−15
(+143)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   NoraGrace 2.0 64-bit2625+15
−15
(+134)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−23
0 = = 0
–   Donna 4.0 64-bit2605+15
−15
(+114)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+71
= 1 0 0 1 = 0 =
–   Arminius 2015-08-06 64-bit2604+20
−19
(+113)3.5 − 8.5
(+2−7=3)
29.2%
3.5 / 12
0.0%
−40
1 0 1 0 0 0 0 0 = = 0 =
–   GreKo 12.8 64-bit2604+30
−30
(+113)3.5 − 8.5
(+1−6=5)
29.2%
3.5 / 12
0.0%
−19
0 0 = 0 = 0 1 = = 0 = 0
–   Brutus 8.05 64-bit2590+22
−22
(+99)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−58
= 0
–   Jellyfish 1.1 64-bit2580+15
−15
(+89)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.0%
+63
0 = = 0 0 0 0 1 = 1 = 1 = 1
–   GreKo 12.9 64-bit2578+29
−29
(+87)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−55
0 =
–   Capivara LK 0.09b02f 64-bit2568+17
−17
(+77)3 − 5
(+3−5=0)
37.5%
3.0 / 8
0.0%
−30
1 0 1 0 0 0 0 1
–   Zurichess Glarus 64-bit2558+27
−27
(+67)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
0.0%
0
0 1 1 0 0 =
–   JikChess 0.02 64-bit2556+16
−16
(+65)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
0.0%
+155
0 1 = 1 = = = = 1 1
–   Arasan 12.0 64-bit2555+23
−23
(+64)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+127
1 = 1 1 = = = 0 0 1
–   Pirarucu 2.1.1 64-bit2549+27
−27
(+58)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
0.1%
+13
= 1 0 1 0 1 0 0
–   nanoSzachy 4.0 64-bit2545+17
−18
(+54)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−47
0 0 0 1 1 = = = 0 0
–   Crafty 21.5 32-bit2542+32
−32
(+51)2.5 − 7.5
(+2−7=1)
25.0%
2.5 / 10
0.6%
−161
0 0 0 1 0 1 0 0 = 0
–   Phalanx XXIV2537+20
−20
(+46)2 − 3
(+0−1=4)
40.0%
2.0 / 5
0.2%
+6
= = = = 0
–   Maverick 1.5 64-bit2535+14
−14
(+44)6 − 5
(+4−3=4)
54.5%
6.0 / 11
0.1%
+78
0 0 1 0 1 = = = 1 = 1
–   Fridolin 2.00 64-bit2530+15
−16
(+39)6 − 9
(+2−5=8)
40.0%
6.0 / 15
0.3%
−15
0 0 1 = 0 0 0 = 1 = = = = = =
–   nanoSzachy 4.1 64-bit2529+17
−17
(+38)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.5%
−INF
0
–   Donna 3.1 64-bit2517+28
−28
(+26)5 − 4
(+3−2=4)
55.6%
5.0 / 9
7.5%
+66
1 1 0 = = = 0 = 1
–   AnMon 5.602515+15
−15
(+24)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
4.7%
−7
1 0 1 1 = = 0 = 0 0
–   Hamsters 0.42507+31
−31
(+16)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
20.3%
+51
1 0 0 = 1 = 1 0 = 1
–   Maverick 1.0 64-bit2507+26
−25
(+16)12 − 8
(+10−6=4)
60.0%
12.0 / 20
16.9%
+89
1 0 = 1 1 0 1 = 1 1 1 0 0 1 0 0 = 1 1 =
–   Tao 5.62503+16
−16
(+12)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
20.9%
−18
=
–   Arminius 2014-01-18 64-bit2502+24
−24
(+11)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
25.7%
+106
1 1 = 0
–   LittleThought 1.052 64-bit2500+16
−16
(+9)1 − 1
(+1−1=0)
50.0%
1.0 / 2
27.4%
+9
1 0
–   Delphil 3.2 64-bit2497+15
−15
(+6)11 − 10
(+6−5=10)
52.4%
11.0 / 21
32.5%
+21
= 1 1 0 = = = 1 1 0 = 0 1 0 = 0 1 = = = =
–   Pupsi2 0.092496+17
−17
(+5)1 − 1
(+1−1=0)
50.0%
1.0 / 2
35.6%
+5
0 1
–   Pepito 1.59 64-bit2491+18
−17
(0)1 − 3
(+0−2=2)
25.0%
1.0 / 4
49.1%
−150
= = 0 0
–   Green Light Chess 3.01.2.22489+24
−24
(−2)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
55.6%
+12
1 = 0
–   JikChess 0.01 64-bit2488+24
−24
(−3)10 − 12
(+7−9=6)
45.5%
10.0 / 22
57.9%
−34
1 0 0 = 1 = 0 1 1 0 = 1 1 = 1 0 0 0 = 0 = 0
–   Yace 0.99.872488+17
−17
(−3)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
57.7%
+27
=
–   Ghost 2.0.2 64-bit2484+18
−18
(−7)13.5 − 11.5
(+9−7=9)
54.0%
13.5 / 25
67.8%
+24
1 0 0 1 = 1 = 0 = 1 = = 0 1 = 0 1 1 = 0 1 1 = = 0
–   Xpdnt 0910072482+15
−15
(−9)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
74.2%
−166
= 0
–   Pawny 0.3.1 64-bit2475+23
−23
(−16)4 − 6
(+2−4=4)
40.0%
4.0 / 10
82.9%
−75
0 = 0 0 1 = 0 1 = =
–   Shield 1.2 64-bit2472+26
−26
(−19)4 − 4
(+3−3=2)
50.0%
4.0 / 8
85.5%
−19
0 0 = = 1 1 0 1
–   Quark 2.352467+18
−18
(−24)1 − 0
(+1−0=0)
100.0%
1.0 / 1
94.9%
+INF
1
–   Giraffe 20150908 64-bit2462+19
−19
(−29)0 − 2
(+0−2=0)
0.0%
0.0 / 2
97.2%
−INF
0 0
–   Carballo 1.32461+25
−25
(−30)5 − 7
(+3−5=4)
41.7%
5.0 / 12
96.0%
−82
= = 0 0 = 0 0 = 1 1 1 0
–   Donna 2.1 64-bit2460+27
−27
(−31)16 − 14
(+10−8=12)
53.3%
16.0 / 30
96.1%
−8
1 = = 1 0 = 1 = 1 0 0 = = = = 1 0 0 0 = 1 1 = = 1 0 = 0 1 1
–   Donna 3.0 64-bit2460+32
−33
(−31)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
93.8%
+225
1 1 0 1 1 1 1 =
–   Bumblebee 1.0 64-bit2458+23
−23
(−33)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
97.5%
−68
= 1 0 = 1 1 0 0 0 =
–   Carballo 1.22458+24
−24
(−33)5 − 7
(+2−4=6)
41.7%
5.0 / 12
97.5%
−82
= 0 1 0 = = 1 0 = 0 = =
–   Dorky 4.3 64-bit2449+28
−28
(−42)2 − 2
(+2−2=0)
50.0%
2.0 / 4
98.8%
−42
1 0 0 1
–   Eeyore 1.52 64-bit2444+18
−18
(−47)6 − 4
(+5−3=2)
60.0%
6.0 / 10
99.9%
+31
1 1 1 = 0 0 0 1 1 =
–   Betsabe II 1.472442+20
−20
(−49)11.5 − 10.5
(+8−7=7)
52.3%
11.5 / 22
99.9%
−34
0 1 1 = 1 0 0 0 0 0 = = = 1 1 1 0 = 1 = = 1
–   Abrok 5.02442+18
−18
(−49)6 − 4
(+4−2=4)
60.0%
6.0 / 10
99.9%
+17
1 = 1 = = = 1 0 1 0
–   Zurichess Fribourg 64-bit2440+29
−29
(−51)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.7%
−51
0 1
–   Snitch 1.6.2 64-bit2436+22
−22
(−55)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−55
0 1
–   RedQueen 0.7.5 64-bit2433+34
−34
(−58)7 − 3
(+4−0=6)
70.0%
7.0 / 10
99.7%
+53
1 = = 1 = = 1 1 = =
–   Cmcchess 2.6 64-bit2419+17
−17
(−72)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+70
= 1
–   Ares 1.005 64-bit2417+18
−18
(−74)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−74
0 = = 1
–   Gaia 3.5 64-bit2412+22
−22
(−79)8.5 − 3.5
(+7−2=3)
70.8%
8.5 / 12
100.0%
+76
0 1 0 1 1 = 1 1 = 1 = 1
–   Shallow r688 64-bit2412+19
−19
(−79)8.5 − 7.5
(+7−6=3)
53.1%
8.5 / 16
100.0%
−57
0 1 1 = 1 = 1 = 0 0 0 0 0 1 1 1
–   Bitfoot 1.0.d9aeb43 64-bit2412+27
−27
(−79)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−79
1 0
–   Ares 1.005.2 64-bit2410+17
−17
(−81)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   RomiChess P3L 64-bit2400+23
−23
(−91)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−22
1 = 0 = = = 1 1 0 1
–   Tigran 2.4n 64-bit2400+17
−17
(−91)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
100.0%
−67
1 1 0 = 1 = 1 0 0 = 1 = 0 1 1 = 0 0
–   Simplex 0.9.8 64-bit2399+17
−17
(−92)9.5 − 2.5
(+8−1=3)
79.2%
9.5 / 12
100.0%
+122
1 1 1 1 1 0 1 1 = = = 1
–   Myrddin 0.87 64-bit2394+14
−14
(−97)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
100.0%
−380
0 0 = 0
–   Alex 2.14a 64-bit2392+18
−18
(−99)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−35
1 = 1 1 = = = 1 0 0
–   Waxman 20142389+21
−21
(−102)13.5 − 6.5
(+10−3=7)
67.5%
13.5 / 20
100.0%
+13
1 = 1 1 1 = 0 = 1 = = 0 1 1 1 1 = = 1 0
–   OliThink 5.3.2 64-bit2373+18
−18
(−118)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
100.0%
−149
1 = = 0 0 = 1 0 1 0
–   iCE 0.22371+19
−19
(−120)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+29
1 1 1 = = 1 1 1 0 0
–   MadChess 2.0 64-bit2369+22
−22
(−122)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Plisk 0.2.7d 64-bit2358+20
−20
(−133)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
100.0%
+46
1 = 1 = 1 1 1 = 0 1
–   Lozza 1.15 64-bit2346+25
−25
(−145)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+6
= = = 1 1 = 1 1 1 =
–   Jazz 840 64-bit2337+15
−15
(−154)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+3
1 =
–   CyberPagno 2.2 64-bit2335+23
−23
(−156)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Gibbon 2.69a 64-bit2318+18
−18
(−173)9 − 1
(+9−1=0)
90.0%
9.0 / 10
100.0%
+254
1 1 1 1 1 0 1 1 1 1
–   Nemeton 1.22308+26
−26
(−183)3 − 3
(+1−1=4)
50.0%
3.0 / 6
100.0%
−183
1 = = = = 0
–   Fischerle 0.9.65 64-bit2288+29
−29
(−203)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−60
= 1
–   FireFly 2.7.0 64-bit2286+17
−17
(−205)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−62
= 1
–   Orion 0.2 64-bit2278+21
−21
(−213)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−213
1 0
–   Protej 0.5.8c2251+20
−20
(−240)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 July 19, 2019