CCRL 40/15
Downloads and Statistics
January 9, 2021
Testing summary:
Total: 1'204'486 games
played by 2'764 programs

White wins: 414'243 (34.4%)
Black wins: 305'352 (25.4%)
Draws: 484'891 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
K2 0.75 (2493+23
−23
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 10 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   ChessBrainVB 2.052669+23
−23
(+176)2 − 4
(+0−2=4)
33.3%
2.0 / 6
0.0%
+86
= = = 0 0 =
–   Laser 0.2.1 64-bit2648+23
−23
(+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-bit2633+15
−15
(+140)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
0 0
–   NoraGrace 2.0 64-bit2624+15
−15
(+131)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−26
0 = = 0
–   Donna 4.0 64-bit2606+15
−15
(+113)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+70
0 = 0 0 1 = = 1
–   Arminius 2015-08-06 64-bit2605+20
−20
(+112)3.5 − 8.5
(+2−7=3)
29.2%
3.5 / 12
0.0%
−41
1 0 1 0 0 0 0 0 = = 0 =
–   GreKo 12.8 64-bit2604+30
−30
(+111)3.5 − 8.5
(+1−6=5)
29.2%
3.5 / 12
0.0%
−21
0 1 = = 0 = = 0 0 0 = 0
–   Brutus 8.05 64-bit2590+21
−21
(+97)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−60
0 =
–   Jellyfish 1.1 64-bit2581+15
−15
(+88)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.0%
+62
0 = 1 = 1 0 0 0 0 1 = = = 1
–   GreKo 12.9 64-bit2579+29
−29
(+86)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−56
0 =
–   Capivara LK 0.09b02f 64-bit2570+17
−17
(+77)3 − 5
(+3−5=0)
37.5%
3.0 / 8
0.0%
−30
0 1 1 0 0 1 0 0
–   Zurichess Glarus 64-bit2560+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-bit2559+16
−16
(+66)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
0.0%
+156
0 1 = 1 1 1 = = = =
–   Arasan 12.0 64-bit2556+23
−23
(+63)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+126
0 1 = 0 = = 1 = 1 1
–   Pirarucu 2.1.1 64-bit2551+27
−27
(+58)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
0.1%
+13
0 1 0 1 = 1 0 0
–   nanoSzachy 4.0 64-bit2546+17
−17
(+53)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−48
0 0 1 = = = 0 0 0 1
–   Crafty 21.5 32-bit2543+32
−32
(+50)2.5 − 7.5
(+2−7=1)
25.0%
2.5 / 10
0.6%
−162
= 0 0 0 0 1 0 0 0 1
–   Phalanx XXIV2538+20
−20
(+45)2 − 3
(+0−1=4)
40.0%
2.0 / 5
0.2%
+5
0 = = = =
–   Maverick 1.5 64-bit2537+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-bit2532+16
−15
(+39)6 − 9
(+2−5=8)
40.0%
6.0 / 15
0.3%
−15
1 = 0 = 0 0 0 = 1 = = = = 0 =
–   nanoSzachy 4.1 64-bit2531+17
−17
(+38)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.5%
−INF
0
–   Donna 3.1 64-bit2519+28
−28
(+26)5 − 4
(+3−2=4)
55.6%
5.0 / 9
7.7%
+66
= 0 1 1 0 = = = 1
–   AnMon 5.602516+15
−15
(+23)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
5.4%
−8
0 0 0 = = = 1 0 1 1
–   Hamsters 0.42509+31
−31
(+16)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
21.2%
+51
1 0 = 1 0 = 1 = 1 0
–   Maverick 1.0 64-bit2509+26
−25
(+16)12 − 8
(+10−6=4)
60.0%
12.0 / 20
17.1%
+89
1 0 = 1 1 1 1 0 0 1 1 0 1 = 0 1 = 1 0 =
–   Arminius 2014-01-18 64-bit2503+24
−24
(+10)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
26.8%
+105
1 1 = 0
–   Tao 5.62503+16
−16
(+10)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
24.2%
−20
=
–   Pupsi2 0.092500+16
−17
(+7)1 − 1
(+1−1=0)
50.0%
1.0 / 2
29.9%
+7
1 0
–   LittleThought 1.052 64-bit2499+16
−16
(+6)1 − 1
(+1−1=0)
50.0%
1.0 / 2
34.1%
+6
0 1
–   Delphil 3.2 64-bit2496+14
−15
(+3)11 − 10
(+6−5=10)
52.4%
11.0 / 21
39.8%
+18
1 1 = = = = = 0 1 0 = 1 1 0 0 0 = = = 1 =
–   Pepito 1.59.2 64-bit2496+17
−17
(+3)1 − 3
(+0−2=2)
25.0%
1.0 / 4
42.4%
−147
0 0 = =
–   Green Light Chess 3.01.2.22490+24
−24
(−3)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
56.3%
+11
0 = 1
–   JikChess 0.01 64-bit2489+24
−24
(−4)10 − 12
(+7−9=6)
45.5%
10.0 / 22
58.7%
−35
0 0 = 1 1 = 0 1 0 0 0 1 1 0 = 1 1 = = = 0 0
–   Yace 0.99.872488+17
−16
(−5)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
62.6%
+25
=
–   Ghost 2.0.2 64-bit2486+18
−18
(−7)13.5 − 11.5
(+9−7=9)
54.0%
13.5 / 25
68.3%
+24
= 0 0 1 = 0 1 = 1 1 = 0 1 1 = = 0 1 1 0 1 = 0 = =
–   Xpdnt 0910072484+15
−15
(−9)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
74.5%
−166
0 =
–   Pawny 0.3.1 64-bit2475+23
−23
(−18)4 − 6
(+2−4=4)
40.0%
4.0 / 10
85.5%
−77
0 1 = = 0 0 1 = 0 =
–   Shield 1.2 64-bit2474+26
−26
(−19)4 − 4
(+3−3=2)
50.0%
4.0 / 8
85.4%
−19
0 0 = = 1 1 0 1
–   Quark 2.352470+18
−18
(−23)1 − 0
(+1−0=0)
100.0%
1.0 / 1
94.1%
+INF
1
–   Bumblebee 1.0 64-bit2468+21
−21
(−25)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
94.4%
−60
0 = 1 1 0 0 = 1 0 =
–   Carballo 1.22465+23
−22
(−28)5 − 7
(+2−4=6)
41.7%
5.0 / 12
95.9%
−77
0 = = 1 0 = = = = 0 1 0
–   Carballo 1.32463+25
−25
(−30)5 − 7
(+3−5=4)
41.7%
5.0 / 12
96.0%
−82
= = = 0 0 = 0 1 1 1 0 0
–   Giraffe 20150908 64-bit2463+19
−18
(−30)0 − 2
(+0−2=0)
0.0%
0.0 / 2
97.7%
−INF
0 0
–   Donna 3.0 64-bit2462+32
−32
(−31)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
93.8%
+225
1 1 1 1 0 1 1 =
–   Donna 2.1 64-bit2461+27
−27
(−32)16 − 14
(+10−8=12)
53.3%
16.0 / 30
96.3%
−9
0 1 = 1 = = 0 1 = 1 1 = = 1 = = = 1 0 0 0 1 = = 1 0 1 0 0 =
–   Dorky 4.3 64-bit2450+28
−28
(−43)2 − 2
(+2−2=0)
50.0%
2.0 / 4
98.9%
−43
1 1 0 0
–   Abrok 5.02446+18
−18
(−47)6 − 4
(+4−2=4)
60.0%
6.0 / 10
99.9%
+19
1 0 1 0 = = 1 = 1 =
–   Betsabe II 1.472444+20
−20
(−49)11.5 − 10.5
(+8−7=7)
52.3%
11.5 / 22
99.9%
−34
= 1 1 = 1 1 0 = = 1 1 0 = = 0 1 0 0 0 0 = 1
–   Zurichess Fribourg 64-bit2442+29
−29
(−51)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.7%
−51
0 1
–   Eeyore 1.52 64-bit2441+17
−17
(−52)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
+26
0 1 1 = 0 0 1 1 1 =
–   RedQueen 0.7.5 64-bit2435+34
−34
(−58)7 − 3
(+4−0=6)
70.0%
7.0 / 10
99.7%
+53
1 1 = = = 1 = = 1 =
–   Snitch 1.6.2 64-bit2435+21
−21
(−58)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−58
1 0
–   Cmcchess 2.6 64-bit2423+17
−17
(−70)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+72
= 1
–   Bitfoot 1.0.d9aeb43 64-bit2420+25
−25
(−73)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−73
1 0
–   Ares 1.005 64-bit2419+18
−18
(−74)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−74
= 1 0 =
–   Gaia 3.5 64-bit2417+21
−21
(−76)8.5 − 3.5
(+7−2=3)
70.8%
8.5 / 12
100.0%
+79
1 1 1 = 1 = 1 = 0 1 0 1
–   Shallow r688 64-bit2414+19
−19
(−79)8.5 − 7.5
(+7−6=3)
53.1%
8.5 / 16
100.0%
−57
0 1 1 0 0 0 0 = 1 = 1 = 1 1 0 1
–   Ares 1.005.2 64-bit2412+17
−17
(−81)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
1
–   Tigran 2.4n 64-bit2402+17
−17
(−91)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
100.0%
−67
1 1 0 0 1 0 1 = 1 0 0 = 1 = 0 = 1 =
–   RomiChess P3L 64-bit2401+23
−23
(−92)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−23
1 1 0 1 0 = = = 1 =
–   Simplex 0.9.8 64-bit2400+17
−17
(−93)9.5 − 2.5
(+8−1=3)
79.2%
9.5 / 12
100.0%
+121
1 1 1 = = = 1 1 1 0 1 1
–   Myrddin 0.87 64-bit2397+13
−13
(−96)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
100.0%
−379
0 = 0 0
–   Alex 2.14a 64-bit2394+18
−18
(−99)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−35
0 0 = 1 = = 1 = 1 1
–   Waxman 20142391+20
−20
(−102)13.5 − 6.5
(+10−3=7)
67.5%
13.5 / 20
100.0%
+13
1 = 1 1 1 = = = 1 = = 0 1 1 1 1 = 0 1 0
–   OliThink 5.3.2 64-bit2375+18
−18
(−118)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
100.0%
−149
1 0 1 0 = 0 0 = 1 =
–   iCE 0.22372+19
−19
(−121)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+28
1 1 0 0 1 = = 1 1 1
–   MadChess 2.0 64-bit2371+22
−22
(−122)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Plisk 0.2.7d 64-bit2363+19
−19
(−130)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
100.0%
+49
1 = 0 1 1 = 1 1 1 =
–   Lozza 1.15 64-bit2348+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-bit2341+15
−15
(−152)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+5
= 1
–   CyberPagno 2.2 64-bit2337+23
−23
(−156)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
1 1
–   Gibbon 2.69a 64-bit2321+18
−18
(−172)9 − 1
(+9−1=0)
90.0%
9.0 / 10
100.0%
+255
1 1 1 1 0 1 1 1 1 1
–   Nemeton 1.22310+26
−26
(−183)3 − 3
(+1−1=4)
50.0%
3.0 / 6
100.0%
−183
1 = 0 = = =
–   Fischerle 0.9.65 64-bit2290+29
−29
(−203)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−60
1 =
–   FireFly 2.7.0 64-bit2288+17
−17
(−205)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−62
= 1
–   Orion 0.2 64-bit2280+21
−21
(−213)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−213
1 0
–   Protej 0.5.8c2258+19
−19
(−235)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 January 9, 2021