CCRL 40/15
Downloads and Statistics
August 1, 2020
Testing summary:
Total: 1'166'106 games
played by 2'690 programs

White wins: 402'287 (34.5%)
Black wins: 297'247 (25.5%)
Draws: 466'572 (40.0%)
White score: 54.5%

Engine Details

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Show each game results
K2 0.75 (2492+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
(+177)2 − 4
(+0−2=4)
33.3%
2.0 / 6
0.0%
+87
–   Laser 0.2.1 64-bit2647+23
−23
(+155)1.5 − 6.5
(+0−5=3)
18.8%
1.5 / 8
0.0%
−51
–   Sjakk 2.2 64-bit2633+15
−15
(+141)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   NoraGrace 2.0 64-bit2624+15
−15
(+132)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−25
–   Donna 4.0 64-bit2606+15
−15
(+114)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
0.0%
+71
–   GreKo 12.8 64-bit2604+30
−30
(+112)3.5 − 8.5
(+1−6=5)
29.2%
3.5 / 12
0.0%
−20
–   Arminius 2015-08-06 64-bit2604+20
−19
(+112)3.5 − 8.5
(+2−7=3)
29.2%
3.5 / 12
0.0%
−41
–   Brutus 8.05 64-bit2589+21
−21
(+97)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−60
–   Jellyfish 1.1 64-bit2580+15
−15
(+88)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
0.0%
+62
–   GreKo 12.9 64-bit2578+29
−29
(+86)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−56
–   Capivara LK 0.09b02f 64-bit2573+17
−17
(+81)3 − 5
(+3−5=0)
37.5%
3.0 / 8
0.0%
−26
–   Zurichess Glarus 64-bit2559+27
−27
(+67)2.5 − 3.5
(+2−3=1)
41.7%
2.5 / 6
0.0%
0
–   JikChess 0.02 64-bit2558+16
−16
(+66)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
0.0%
+156
–   Arasan 12.0 64-bit2555+23
−23
(+63)6 − 4
(+4−2=4)
60.0%
6.0 / 10
0.0%
+126
–   Pirarucu 2.1.1 64-bit2550+27
−27
(+58)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
0.1%
+13
–   nanoSzachy 4.0 64-bit2546+17
−18
(+54)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−47
–   Crafty 21.5 32-bit2542+32
−32
(+50)2.5 − 7.5
(+2−7=1)
25.0%
2.5 / 10
0.6%
−162
–   Phalanx XXIV2537+20
−20
(+45)2 − 3
(+0−1=4)
40.0%
2.0 / 5
0.2%
+5
–   Maverick 1.5 64-bit2537+14
−14
(+45)6 − 5
(+4−3=4)
54.5%
6.0 / 11
0.1%
+79
–   Fridolin 2.00 64-bit2531+15
−15
(+39)6 − 9
(+2−5=8)
40.0%
6.0 / 15
0.3%
−15
–   nanoSzachy 4.1 64-bit2530+17
−17
(+38)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.4%
−INF
–   Donna 3.1 64-bit2518+28
−28
(+26)5 − 4
(+3−2=4)
55.6%
5.0 / 9
7.6%
+66
–   AnMon 5.602515+15
−15
(+23)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
5.3%
−8
–   Maverick 1.0 64-bit2508+26
−25
(+16)12 − 8
(+10−6=4)
60.0%
12.0 / 20
16.9%
+89
–   Hamsters 0.42508+31
−31
(+16)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
21.0%
+51
–   Arminius 2014-01-18 64-bit2503+24
−24
(+11)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
26.4%
+106
–   Tao 5.62502+16
−16
(+10)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
23.7%
−20
–   LittleThought 1.052 64-bit2500+16
−16
(+8)1 − 1
(+1−1=0)
50.0%
1.0 / 2
29.6%
+8
–   Pupsi2 0.092496+17
−17
(+4)1 − 1
(+1−1=0)
50.0%
1.0 / 2
39.5%
+4
–   Pepito 1.59.2 64-bit2496+17
−17
(+4)1 − 3
(+0−2=2)
25.0%
1.0 / 4
40.3%
−146
–   Delphil 3.2 64-bit2495+15
−15
(+3)11 − 10
(+6−5=10)
52.4%
11.0 / 21
40.0%
+18
–   Green Light Chess 3.01.2.22489+24
−24
(−3)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
56.2%
+11
–   JikChess 0.01 64-bit2488+24
−24
(−4)10 − 12
(+7−9=6)
45.5%
10.0 / 22
58.3%
−35
–   Yace 0.99.872488+17
−16
(−4)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
62.0%
+26
–   Ghost 2.0.2 64-bit2485+18
−18
(−7)13.5 − 11.5
(+9−7=9)
54.0%
13.5 / 25
68.0%
+24
–   Xpdnt 0910072483+15
−15
(−9)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
73.9%
−166
–   Shield 1.2 64-bit2474+26
−26
(−18)4 − 4
(+3−3=2)
50.0%
4.0 / 8
85.2%
−18
–   Pawny 0.3.1 64-bit2474+23
−23
(−18)4 − 6
(+2−4=4)
40.0%
4.0 / 10
85.4%
−77
–   Quark 2.352469+18
−18
(−23)1 − 0
(+1−0=0)
100.0%
1.0 / 1
93.9%
+INF
–   Bumblebee 1.0 64-bit2463+23
−23
(−29)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
96.1%
−64
–   Carballo 1.32462+25
−25
(−30)5 − 7
(+3−5=4)
41.7%
5.0 / 12
95.9%
−82
–   Giraffe 20150908 64-bit2461+19
−19
(−31)0 − 2
(+0−2=0)
0.0%
0.0 / 2
98.0%
−INF
–   Donna 3.0 64-bit2461+32
−32
(−31)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
93.7%
+225
–   Donna 2.1 64-bit2460+27
−27
(−32)16 − 14
(+10−8=12)
53.3%
16.0 / 30
96.3%
−9
–   Carballo 1.22459+23
−23
(−33)5 − 7
(+2−4=6)
41.7%
5.0 / 12
97.7%
−82
–   Dorky 4.3 64-bit2450+28
−28
(−42)2 − 2
(+2−2=0)
50.0%
2.0 / 4
98.9%
−42
–   Abrok 5.02445+18
−18
(−47)6 − 4
(+4−2=4)
60.0%
6.0 / 10
99.9%
+19
–   Betsabe II 1.472443+20
−20
(−49)11.5 − 10.5
(+8−7=7)
52.3%
11.5 / 22
99.9%
−34
–   Eeyore 1.52 64-bit2441+17
−17
(−51)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
+27
–   Zurichess Fribourg 64-bit2441+29
−29
(−51)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.7%
−51
–   RedQueen 0.7.5 64-bit2434+34
−34
(−58)7 − 3
(+4−0=6)
70.0%
7.0 / 10
99.7%
+53
–   Snitch 1.6.2 64-bit2433+21
−21
(−59)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−59
–   Cmcchess 2.6 64-bit2421+17
−17
(−71)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+71
–   Bitfoot 1.0.d9aeb43 64-bit2419+25
−25
(−73)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−73
–   Ares 1.005 64-bit2418+18
−18
(−74)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−74
–   Gaia 3.5 64-bit2417+21
−21
(−75)8.5 − 3.5
(+7−2=3)
70.8%
8.5 / 12
100.0%
+80
–   Shallow r688 64-bit2413+19
−19
(−79)8.5 − 7.5
(+7−6=3)
53.1%
8.5 / 16
100.0%
−57
–   Ares 1.005.2 64-bit2411+18
−17
(−81)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Tigran 2.4n 64-bit2401+17
−17
(−91)9.5 − 8.5
(+7−6=5)
52.8%
9.5 / 18
100.0%
−67
–   RomiChess P3L 64-bit2400+23
−23
(−92)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−23
–   Simplex 0.9.8 64-bit2400+17
−17
(−92)9.5 − 2.5
(+8−1=3)
79.2%
9.5 / 12
100.0%
+122
–   Myrddin 0.87 64-bit2395+13
−13
(−97)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
100.0%
−380
–   Alex 2.14a 64-bit2393+18
−18
(−99)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−35
–   Waxman 20142389+20
−20
(−103)13.5 − 6.5
(+10−3=7)
67.5%
13.5 / 20
100.0%
+12
–   OliThink 5.3.2 64-bit2374+18
−18
(−118)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
100.0%
−149
–   iCE 0.22372+19
−19
(−120)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+29
–   MadChess 2.0 64-bit2370+22
−22
(−122)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Plisk 0.2.7d 64-bit2362+19
−19
(−130)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
100.0%
+49
–   Lozza 1.15 64-bit2347+25
−25
(−145)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+6
–   Jazz 840 64-bit2338+15
−15
(−154)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
+3
–   CyberPagno 2.2 64-bit2336+23
−23
(−156)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Gibbon 2.69a 64-bit2320+18
−18
(−172)9 − 1
(+9−1=0)
90.0%
9.0 / 10
100.0%
+255
–   Nemeton 1.22309+26
−26
(−183)3 − 3
(+1−1=4)
50.0%
3.0 / 6
100.0%
−183
–   Fischerle 0.9.65 64-bit2289+29
−29
(−203)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−60
–   FireFly 2.7.0 64-bit2287+17
−17
(−205)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
100.0%
−62
–   Orion 0.2 64-bit2279+21
−21
(−213)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−213
–   Protej 0.5.8c2257+19
−19
(−235)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF

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Created in 2005-2013 by CCRL team
Last games added on August 1, 2020