CCRL 40/15
Downloads and Statistics
October 24, 2020
Testing summary:
Total: 1'185'135 games
played by 2'728 programs

White wins: 408'196 (34.4%)
Black wins: 301'376 (25.4%)
Draws: 475'563 (40.1%)
White score: 54.5%

Engine Details

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Show each game results
K2 0.87 (2583+17
−18
)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 10 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   SmarThink 1.98 64-bit3026+13
−13
(+443)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Quazar 0.4 64-bit2905+10
−10
(+322)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Bison 9.11 64-bit2756+13
−13
(+173)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Carballo 1.7 64-bit2737+14
−14
(+154)5 − 7
(+3−5=4)
41.7%
5.0 / 12
0.0%
+94
–   Tucano 6.00 64-bit2724+16
−16
(+141)0.5 − 7.5
(+0−7=1)
6.3%
0.5 / 8
0.0%
−268
–   ProDeo 2.22721+17
−17
(+138)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−4
–   Marvin 2.2.0 64-bit2718+25
−25
(+135)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−91
–   Carballo 1.6 64-bit2710+25
−25
(+127)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   Amoeba 2.1 64-bit2709+29
−29
(+126)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−162
–   Ktulu 82706+9
−9
(+123)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−75
–   Cheese 1.9 64-bit2705+15
−15
(+122)3 − 5
(+2−4=2)
37.5%
3.0 / 8
0.0%
+32
–   Octochess r4741 64-bit2697+32
−32
(+114)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
+10
–   Scorpio 2.6 32-bit2693+31
−31
(+110)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.0%
−63
–   Devel 1.80902690+24
−24
(+107)6 − 2
(+5−1=2)
75.0%
6.0 / 8
0.0%
+290
–   Zurichess Graubuenden 64-bit2689+25
−24
(+106)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−44
–   Gogobello 1.4 64-bit2688+16
−16
(+105)5 − 7
(+1−3=8)
41.7%
5.0 / 12
0.0%
+63
–   Cheese 1.8 64-bit2684+20
−20
(+101)1.5 − 6.5
(+1−6=1)
18.8%
1.5 / 8
0.0%
−160
–   WyldChess 1.51 64-bit2683+15
−15
(+100)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−136
–   Tornado 4.82 32-bit2681+34
−35
(+98)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−97
–   Chessmaster 11 Leonidas2680+20
−20
(+97)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.0%
+137
–   chess22k 1.4 64-bit2674+23
−22
(+91)6.5 − 7.5
(+3−4=7)
46.4%
6.5 / 14
0.0%
+68
–   Arminius 2017-01-01 64-bit2673+16
−16
(+90)5 − 11
(+0−6=10)
31.3%
5.0 / 16
0.0%
−14
–   ChessBrainVB 2.052669+23
−23
(+86)2 − 1
(+1−0=2)
66.7%
2.0 / 3
0.0%
+168
–   RedQueen 1.1.98 64-bit2664+17
−17
(+81)7 − 9
(+6−8=2)
43.8%
7.0 / 16
0.0%
+28
–   Floyd 0.9 64-bit2659+14
−15
(+76)11 − 17
(+8−14=6)
39.3%
11.0 / 28
0.0%
−1
–   CM9000 Enforcer2658+20
−20
(+75)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−67
–   Philou 3.7.1 64-bit2652+13
−13
(+69)1 − 1
(+0−0=2)
50.0%
1.0 / 2
0.0%
+69
–   Cyrano 0.6b17 64-bit2649+21
−21
(+66)0 − 2
(+0−2=0)
0.0%
0.0 / 2
0.0%
−INF
–   GreKo 2018.02 64-bit2649+24
−24
(+66)3 − 4
(+2−3=2)
42.9%
3.0 / 7
0.0%
+19
–   Cyrano 0.6b17 32-bit2648+14
−14
(+65)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+32
–   GreKo 2018.01 64-bit2645+27
−27
(+62)5.5 − 6.5
(+4−5=3)
45.8%
5.5 / 12
0.0%
+30
–   ECE X3 64-bit2645+16
−16
(+62)10.5 − 9.5
(+7−6=7)
52.5%
10.5 / 20
0.0%
+75
–   Gandalf 7 64-bit2644+18
−18
(+61)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−34
–   CM10th Magic II2643+16
−16
(+60)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−97
–   DanaSah 7.32640+14
−14
(+57)5 − 3
(+4−2=2)
62.5%
5.0 / 8
0.0%
+146
–   WyldChess 1.4 64-bit2639+24
−24
(+56)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−39
–   Counter 2.6 64-bit2634+25
−25
(+51)6 − 9
(+3−6=6)
40.0%
6.0 / 15
0.0%
−7
–   Sjakk 2.2 64-bit2632+15
−15
(+49)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−93
–   Rodin 8.02628+15
−15
(+45)17.5 − 23.5
(+8−14=19)
42.7%
17.5 / 41
0.0%
0
–   Ruffian 2.1.02623+13
−13
(+40)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−117
–   Phalanx XXV2619+15
−15
(+36)18 − 21
(+12−15=12)
46.2%
18.0 / 39
0.1%
+11
–   DanaSah 7.02618+26
−26
(+35)6 − 6
(+4−4=4)
50.0%
6.0 / 12
1.6%
+35
–   Hamsters 0.72618+21
−21
(+35)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.7%
−93
–   GreKo 2015-ML 64-bit2611+25
−25
(+28)6.5 − 7.5
(+4−5=5)
46.4%
6.5 / 14
3.9%
+3
–   Monolith 0.4 64-bit2609+19
−19
(+26)5.5 − 6.5
(+3−4=5)
45.8%
5.5 / 12
2.8%
+5
–   Arasan 13.2 32-bit2608+32
−32
(+25)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
9.2%
−10
–   Donna 4.0 64-bit2606+15
−15
(+23)17.5 − 20.5
(+10−13=15)
46.1%
17.5 / 38
2.7%
0
–   Gogobello 1.3 64-bit2605+27
−27
(+22)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
8.5%
+53
–   DanaSah 6.502605+22
−22
(+22)8 − 13
(+4−9=8)
38.1%
8.0 / 21
6.1%
−56
–   Arminius 2015-08-06 64-bit2604+19
−19
(+21)7 − 7
(+3−3=8)
50.0%
7.0 / 14
6.0%
+21
–   DanaSah 6.802602+28
−28
(+19)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
12.6%
+101
–   Muse 0.953 64-bit2596+16
−16
(+13)8.5 − 9.5
(+6−7=5)
47.2%
8.5 / 18
14.5%
−2
–   Gogobello 1.2 64-bit2596+28
−28
(+13)3.5 − 6.5
(+3−6=1)
35.0%
3.5 / 10
22.4%
−103
–   N2 0.4 64-bit2594+16
−16
(+11)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
18.8%
+48
–   GreKo 2016 64-bit2592+22
−21
(+9)2 − 2
(+1−1=2)
50.0%
2.0 / 4
26.0%
+9
–   tomitankChess 1.5 64-bit2590+23
−23
(+7)4 − 6
(+1−3=6)
40.0%
4.0 / 10
32.6%
−48
–   Brutus 8.05 64-bit2589+21
−21
(+6)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
34.5%
+163
–   Nawito 1.1d2585+28
−28
(+2)7.5 − 4.5
(+6−3=3)
62.5%
7.5 / 12
47.3%
+93
–   Ethereal 7.78 64-bit2585+24
−24
(+2)4.5 − 8.5
(+2−6=5)
34.6%
4.5 / 13
46.8%
−97
–   GarboChess 3.0 64-bit2585+16
−16
(+2)2 − 8
(+0−6=4)
20.0%
2.0 / 10
44.2%
−196
–   Marvin 2.1.0 64-bit2581+26
−27
(−2)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
55.8%
+90
–   Jellyfish 1.1 64-bit2580+15
−15
(−3)8.5 − 11.5
(+4−7=9)
42.5%
8.5 / 20
60.4%
−48
–   Delocto 0.6 64-bit2580+15
−15
(−3)8 − 8
(+3−3=10)
50.0%
8.0 / 16
62.9%
0
–   Counter 2.1.0 64-bit2575+24
−24
(−8)8.5 − 3.5
(+6−1=5)
70.8%
8.5 / 12
72.2%
+121
–   Schooner 1.8 64-bit2568+19
−19
(−15)11.5 − 6.5
(+8−3=7)
63.9%
11.5 / 18
87.9%
+70
–   Coiled 0.4 64-bit2564+17
−17
(−19)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
94.7%
+56
–   Capivara LK 0.09b02g 64-bit2562+16
−16
(−21)8 − 4
(+6−2=4)
66.7%
8.0 / 12
96.3%
+93
–   Counter 2.0.2 64-bit2561+26
−25
(−22)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
92.8%
−49
–   Zurichess Glarus 64-bit2559+27
−27
(−24)5 − 5
(+2−2=6)
50.0%
5.0 / 10
93.5%
−20
–   JikChess 0.02 64-bit2558+15
−16
(−25)8 − 6
(+7−5=2)
57.1%
8.0 / 14
98.5%
+29
–   Ghost 3 64-bit2558+24
−24
(−25)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
95.5%
−56
–   Carballo 1.5 64-bit2557+24
−24
(−26)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
96.2%
−57
–   tomitankChess 1.4 64-bit2556+23
−23
(−27)1 − 1
(+1−1=0)
50.0%
1.0 / 2
97.0%
−27
–   Capivara LK 0.09b02c 64-bit2555+20
−20
(−28)5 − 5
(+4−4=2)
50.0%
5.0 / 10
98.0%
−28
–   RubiChess 0.9 64-bit2554+22
−22
(−29)4 − 2
(+3−1=2)
66.7%
4.0 / 6
98.1%
+89
–   Gogobello 1.1 64-bit2553+28
−28
(−30)6 − 4
(+4−2=4)
60.0%
6.0 / 10
96.9%
+28
–   Ghost 3.1 64-bit2552+15
−15
(−31)13 − 15
(+9−11=8)
46.4%
13.0 / 28
99.6%
−57
–   WyldChess 1.3 64-bit2550+29
−29
(−33)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
97.4%
+138
–   Ufim 8.022543+12
−12
(−40)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
–   chess22k 1.3 64-bit2538+24
−24
(−45)5 − 5
(+3−3=4)
50.0%
5.0 / 10
99.9%
−40
–   Fridolin 2.00 64-bit2531+16
−16
(−52)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
+11
–   nanoSzachy 4.1 64-bit2530+17
−17
(−53)7 − 7
(+4−4=6)
50.0%
7.0 / 14
100.0%
−49
–   Hermann 2.8 64-bit2529+16
−16
(−54)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
+9
–   Orion 0.5 64-bit2527+14
−14
(−56)3.5 − 4.5
(+3−4=1)
43.8%
3.5 / 8
100.0%
−101
–   Bagatur 1.5e 64-bit2517+22
−21
(−66)6 − 6
(+3−3=6)
50.0%
6.0 / 12
100.0%
−62
–   ECE X22513+28
−28
(−70)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
0
–   CyberPagno 3.0 64-bit2513+14
−14
(−70)10.5 − 3.5
(+8−1=5)
75.0%
10.5 / 14
100.0%
+94
–   Floyd 0.8 64-bit2510+24
−24
(−73)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
100.0%
−116
–   Betsabe II 1.752508+22
−22
(−75)9 − 5
(+8−4=2)
64.3%
9.0 / 14
100.0%
+39
–   ECE X2502+32
−32
(−81)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+67
–   WyldChess 1.1 64-bit2501+28
−28
(−82)7 − 1
(+6−0=2)
87.5%
7.0 / 8
100.0%
+203
–   Winter 0.1.1 64-bit2496+21
−22
(−87)5 − 1
(+5−1=0)
83.3%
5.0 / 6
100.0%
+236
–   MadChess 2.2 64-bit2492+15
−15
(−91)8.5 − 5.5
(+7−4=3)
60.7%
8.5 / 14
100.0%
−10
–   Jumbo 0.6.10 64-bit2483+24
−24
(−100)7 − 3
(+6−2=2)
70.0%
7.0 / 10
100.0%
+49
–   Jumbo 0.6.35 64-bit2479+19
−19
(−104)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
100.0%
−12
–   Lozza 1.18 64-bit2475+15
−15
(−108)4.5 − 3.5
(+3−2=3)
56.3%
4.5 / 8
100.0%
−59
–   Schooner 1.7.0 64-bit2471+24
−24
(−112)5 − 5
(+3−3=4)
50.0%
5.0 / 10
100.0%
−112
–   WyldChess 1.2 64-bit2470+26
−26
(−113)5.5 − 2.5
(+5−2=1)
68.8%
5.5 / 8
100.0%
+34
–   Jumbo 0.6.31 64-bit2470+25
−25
(−113)7 − 5
(+5−3=4)
58.3%
7.0 / 12
100.0%
−54
–   Counter 1.99 64-bit2463+32
−32
(−120)3.5 − 2.5
(+3−2=1)
58.3%
3.5 / 6
100.0%
−54
–   Bagatur 1.4e 64-bit2455+30
−30
(−128)8.5 − 1.5
(+8−1=1)
85.0%
8.5 / 10
100.0%
+178
–   Nemeton 1.512453+22
−22
(−130)2 − 4
(+0−2=4)
33.3%
2.0 / 6
100.0%
−219
–   Eeyore 1.52 64-bit2441+17
−17
(−142)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−111
–   Nemeton 1.62439+24
−24
(−144)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+1
–   Bearded N44.5 64-bit2439+20
−20
(−144)4 − 2
(+3−1=2)
66.7%
4.0 / 6
100.0%
−37
–   Ifrit m1.8 64-bit2412+18
−18
(−171)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−201
–   Anechka 0.082302+19
−19
(−281)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   Zeus 1.292299+21
−21
(−284)0 − 1
(+0−1=0)
0.0%
0.0 / 1
100.0%
−INF
–   Zevra 1.8.4 r650 64-bit2236+26
−26
(−347)0.5 − 0.5
(+0−0=1)
50.0%
0.5 / 1
100.0%
−316
–   Uralochka 1.1b2218+18
−18
(−365)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF
–   ChessAlex 2.0r42203+20
−20
(−380)1 − 0
(+1−0=0)
100.0%
1.0 / 1
100.0%
+INF

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Created in 2005-2013 by CCRL team
Last games added on October 24, 2020