CCRL 40/15
Downloads and Statistics
November 16, 2024
Testing summary:
Total: 1'967'497 games
played by 3'973 programs

White wins: 610'660 (31.0%)
Black wins: 425'811 (21.6%)
Draws: 931'026 (47.3%)
White score: 54.7%

Engine Details

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Show each game results
K2 0.99#247  (2714+11
−11		)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 11 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Nu-chess 1.0 64-bit2961+12
−12		(+247)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Drofa 3.0.0 64-bit2924+22
−22		(+210)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−82
–   tomitankChess 5.0 64-bit2904+21
−21		(+190)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−61
–   Francesca MAD 0.27 64-bit2880+21
−21		(+166)13 − 34
(+7−28=12)
27.7%
13.0 / 47
0.0%
−8
–   Weiawaga 5.0 64-bit2873+12
−12		(+159)1.5 − 6.5
(+1−6=1)		18.8%
1.5 / 8
0.0%
−105
–   Ceibo 0.9 64-bit2868+12
−12		(+154)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−138
–   Protej 0.6.2 64-bit2861+19
−19		(+147)0 − 4
(+0−4=0)		0.0%
0.0 / 4
0.0%
−INF
–   Kobra 1.0a 64-bit2860+22
−22		(+146)9.5 − 16.5
(+6−13=7)		36.5%
9.5 / 26
0.0%
+38
–   OliThink 5.10.1 64-bit2859+13
−13		(+145)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−147
–   Avalanche 1.1.0 64-bit2850+21
−21		(+136)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−30
–   Cheese 2.2 64-bit2846+15
−15		(+132)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+244
–   Zurichess Neuchatel 64-bit2838+10
−10		(+124)13.5 − 36.5
(+3−26=21)
27.0%
13.5 / 50
0.0%
−38
–   Motor 0.1.0 64-bit2832+20
−20		(+118)5.5 − 18.5
(+2−15=7)		22.9%
5.5 / 24
0.0%
−88
–   Shallow 5 64-bit2827+12
−12		(+113)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−139
–   Cheese 3.0.0 64-bit2823+15
−15		(+109)10 − 18
(+5−13=10)		35.7%
10.0 / 28
0.0%
+1
–   Gogobello 2.0 64-bit2819+13
−13		(+105)19.5 − 30.5
(+13−24=13)
39.0%
19.5 / 50
0.0%
+15
–   OliThink 5.9.2 64-bit2807+22
−22		(+93)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−77
–   Monolith 1.0 64-bit2806+10
−10		(+92)16.5 − 33.5
(+7−24=19)
33.0%
16.5 / 50
0.0%
−32
–   RuyDos 1.1.11 64-bit2797+12
−12		(+83)6 − 14
(+2−10=8)		30.0%
6.0 / 20
0.0%
−58
–   Coiled 1.1 (no NNUE) 64-bit2796+14
−14		(+82)2.5 − 9.5
(+0−7=5)		20.8%
2.5 / 12
0.0%
−121
–   Lambergar 0.5.0 64-bit2794+21
−21		(+80)9 − 15
(+5−11=8)		37.5%
9.0 / 24
0.0%
−14
–   Shallow 4.0 64-bit2793+15
−15		(+79)9.5 − 10.5
(+5−6=9)		47.5%
9.5 / 20
0.0%
+62
–   ProDeo 3.12792+18
−18		(+78)9.5 − 14.5
(+4−9=11)		39.6%
9.5 / 24
0.0%
+3
–   RuyDos 1.1.10 64-bit2791+19
−19		(+77)17 − 33
(+12−28=10)
34.0%
17.0 / 50
0.0%
−57
–   Odonata 0.8.0 64-bit2791+17
−17		(+77)12 − 20
(+5−13=14)
37.5%
12.0 / 32
0.0%
−11
–   GreKo 2021.08 64-bit2788+17
−17		(+74)2.5 − 5.5
(+1−4=3)		31.3%
2.5 / 8
0.0%
−68
–   Pawny 1.2 64-bit2786+11
−11		(+72)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+166
–   Coiled 1.2 (no NNUE) 64-bit2783+14
−14		(+69)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
0.0%
+361
–   Cheese 2.0 64-bit2772+11
−11		(+58)18 − 32
(+11−25=14)
36.0%
18.0 / 50
0.0%
−54
–   Mess 0.3.0 64-bit2771+10
−10		(+57)2 − 2
(+0−0=4)		50.0%
2.0 / 4
0.0%
+57
–   GreKo 2021.12 64-bit2769+14
−14		(+55)8.5 − 16.5
(+5−13=7)		34.0%
8.5 / 25
0.0%
−76
–   Puffin 3.0.0 64-bit2768+16
−16		(+54)13.5 − 12.5
(+7−6=13)		51.9%
13.5 / 26
0.0%
+68
–   Velvet 1.2.0 64-bit2765+22
−22		(+51)6.5 − 5.5
(+3−2=7)		54.2%
6.5 / 12
0.0%
+80
–   Colossus 2022a 64-bit2762+11
−11		(+48)5.5 − 10.5
(+3−8=5)		34.4%
5.5 / 16
0.0%
−76
–   Devel 3.8.42761+15
−15		(+47)10 − 10
(+4−4=12)		50.0%
10.0 / 20
0.0%
+49
–   Dumb 2.0 64-bit2759+17
−17		(+45)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
0.0%
+334
–   Colossus 2021b 64-bit2759+16
−16		(+45)10.5 − 13.5
(+4−7=13)		43.8%
10.5 / 24
0.0%
+5
–   Odonata 0.6.2 64-bit2757+13
−13		(+43)2.5 − 5.5
(+1−4=3)		31.3%
2.5 / 8
0.0%
−99
–   Nawito 22.07 64-bit2755+10
−10		(+41)7 − 13
(+5−11=4)		35.0%
7.0 / 20
0.0%
−81
–   MadChess 3.2 64-bit2754+16
−16		(+40)17 − 17
(+12−12=10)
50.0%
17.0 / 34
0.0%
+40
–   Fridolin 4.00 64-bit2753+12
−12		(+39)4.5 − 7.5
(+2−5=5)		37.5%
4.5 / 12
0.0%
−56
–   Inanis 1.1.0 64-bit2747+17
−17		(+33)7 − 6
(+4−3=6)		53.8%
7.0 / 13
0.1%
+54
–   Avalanche 1.0.0 64-bit2746+21
−21		(+32)11 − 13
(+7−9=8)		45.8%
11.0 / 24
0.4%
0
–   GreKo 2021.10 64-bit2742+25
−25		(+28)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
1.9%
+122
–   Clovis 2.0 64-bit2742+20
−20		(+28)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.9%
−INF
–   Arminius 2018-12-23 64-bit2740+10
−10		(+26)27 − 27
(+17−17=20)
50.0%
27.0 / 54
0.0%
+24
–   Viridithas 2.7.0 64-bit2738+21
−21		(+24)1 − 3
(+0−2=2)		25.0%
1.0 / 4
2.3%
−142
–   Colossus 2021a 64-bit2737+24
−24		(+23)10.5 − 9.5
(+6−5=9)		52.5%
10.5 / 20
4.1%
+39
–   Jacky Chess 23.12 64-bit2735+18
−18		(+21)0 − 4
(+0−4=0)		0.0%
0.0 / 4
2.7%
−INF
–   CT800 1.45 64-bit2735+12
−12		(+21)14 − 9
(+8−3=12)		60.9%
14.0 / 23
0.5%
+93
–   Devel 4.0.2.32726+14
−14		(+12)10.5 − 14.5
(+6−10=9)		42.0%
10.5 / 25
9.8%
−45
–   GreKo 2020.03 64-bit2719+18
−18		(+5)28.5 − 28.5
(+16−16=25)
50.0%
28.5 / 57
31.1%
+7
–   Dumb 1.11 64-bit2718+18
−18		(+4)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
37.0%
+106
–   Shield 2.1 64-bit2713+9
−9		(−1)33 − 33
(+20−20=26)
50.0%
33.0 / 66
56.1%
−1
–   MadChess 3.1 64-bit2713+14
−14		(−1)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
56.3%
−113
–   Delocto 200419 64-bit2709+11
−11		(−5)20.5 − 26.5
(+13−19=15)
43.6%
20.5 / 47
72.3%
−55
–   Caligula 1.0b2707+19
−19		(−7)11.5 − 8.5
(+8−5=7)		57.5%
11.5 / 20
73.7%
+47
–   Chessmaster 11 Archangel2706+15
−15		(−8)2 − 2
(+1−1=2)		50.0%
2.0 / 4
81.6%
−8
–   KnightX 3.3 64-bit2706+20
−20		(−8)5.5 − 2.5
(+3−0=5)		68.8%
5.5 / 8
75.6%
+111
–   Chess Tiger 2007.12703+8
−8		(−11)5.5 − 6.5
(+3−4=5)		45.8%
5.5 / 12
94.1%
−43
–   KnightX 3.6a 64-bit2703+19
−19		(−11)2 − 3
(+0−1=4)		40.0%
2.0 / 5
84.6%
−79
–   DanaSah 8.32698+16
−16		(−16)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
94.4%
−110
–   KnightX 3.4 64-bit2698+20
−20		(−16)6 − 6
(+3−3=6)		50.0%
6.0 / 12
91.8%
−8
–   KnightX 3.2 64-bit2696+20
−20		(−18)2.5 − 5.5
(+2−5=1)		31.3%
2.5 / 8
94.9%
−178
–   Blunder 8.5.5 64-bit2695+11
−11		(−19)12.5 − 4.5
(+11−3=3)		73.5%
12.5 / 17
99.2%
+183
–   ECE 20.1 64-bit2691+12
−12		(−23)22 − 26
(+13−17=18)
45.8%
22.0 / 48
99.8%
−49
–   KnightX 3.1 64-bit2687+19
−19		(−27)8.5 − 7.5
(+6−5=5)		53.1%
8.5 / 16
99.4%
0
–   Zahak 5.0 64-bit2686+24
−24		(−28)7 − 5
(+5−3=4)		58.3%
7.0 / 12
98.0%
+37
–   Leorik 2.2 64-bit2683+18
−18		(−31)9 − 3
(+7−1=4)		75.0%
9.0 / 12
99.8%
+155
–   Ceibo 0.8 64-bit2683+16
−16		(−31)25.5 − 20.5
(+14−9=23)
55.4%
25.5 / 46
99.9%
+3
–   Lynx 1.3.0 64-bit2682+20
−20		(−32)19 − 15
(+13−9=12)
55.9%
19.0 / 34
99.7%
+14
–   Fridolin 3.10 64-bit2681+10
−10		(−33)26.5 − 27.5
(+14−15=25)
49.1%
26.5 / 54
100.0%
−39
–   Lozza 2.4 64-bit2681+17
−17		(−33)9 − 8
(+5−4=8)		52.9%
9.0 / 17
99.9%
−10
–   Inanis 1.0.1 64-bit2680+18
−18		(−34)4 − 8
(+2−6=4)		33.3%
4.0 / 12
100.0%
−161
–   Supernova 2.4 64-bit2677+11
−11		(−37)28.5 − 18.5
(+20−10=17)
60.6%
28.5 / 47
100.0%
+44
–   Shallow 2020-09-09 64-bit2673+18
−18		(−41)11.5 − 4.5
(+9−2=5)		71.9%
11.5 / 16
100.0%
+124
–   Nawito 2103 64-bit2673+16
−16		(−41)19.5 − 16.5
(+13−10=13)
54.2%
19.5 / 36
100.0%
−10
–   Puffin 2.0.0 64-bit2663+20
−20		(−51)21.5 − 14.5
(+14−7=15)
59.7%
21.5 / 36
100.0%
+18
–   Lozza 2.2 64-bit2661+21
−21		(−53)7 − 9
(+3−5=8)		43.8%
7.0 / 16
100.0%
−99
–   CM9000 Enforcer2656+15
−15		(−58)3 − 3
(+1−1=4)		50.0%
3.0 / 6
100.0%
−58
–   Supernova 2.3 64-bit2656+19
−19		(−58)23.5 − 12.5
(+18−7=11)
65.3%
23.5 / 36
100.0%
+62
–   CM10th Ogre2655+17
−17		(−59)4 − 4
(+2−2=4)		50.0%
4.0 / 8
100.0%
−64
–   Lambergar 0.4.1 64-bit2653+20
−20		(−61)18.5 − 11.5
(+13−6=11)
61.7%
18.5 / 30
100.0%
+30
–   Drosophila 1.6 64-bit2652+13
−13		(−62)11 − 9
(+8−6=6)		55.0%
11.0 / 20
100.0%
−21
–   Zevra 2.5 64-bit2649+10
−10		(−65)19 − 11
(+12−4=14)
63.3%
19.0 / 30
100.0%
+27
–   Keele 1.0 64-bit2648+16
−16		(−66)4 − 4
(+3−3=2)		50.0%
4.0 / 8
100.0%
−72
–   Lozza 2.3 64-bit2648+19
−19		(−66)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+223
–   RookieMonster 1.9.9 64-bit2639+14
−14		(−75)5 − 1
(+4−0=2)		83.3%
5.0 / 6
100.0%
+166
–   Gandalf 7 64-bit2639+13
−13		(−75)2.5 − 5.5
(+1−4=3)		31.3%
2.5 / 8
100.0%
−212
–   Drofa 2.2.0 64-bit2637+22
−22		(−77)12.5 − 3.5
(+11−2=3)		78.1%
12.5 / 16
100.0%
+150
–   CM10th Guardian2637+18
−18		(−77)1 − 3
(+1−3=0)		25.0%
1.0 / 4
100.0%
−311
–   CM10th Warrior2633+20
−20		(−81)1.5 − 6.5
(+1−6=1)		18.8%
1.5 / 8
100.0%
−353
–   Blunder 7.6.0 64-bit2633+16
−16		(−81)8.5 − 3.5
(+6−1=5)		70.8%
8.5 / 12
100.0%
+64
–   Nawito 22.05 64-bit2630+19
−19		(−84)5 − 3
(+3−1=4)		62.5%
5.0 / 8
100.0%
0
–   Rodin 8.02628+10
−10		(−86)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−86
–   Myrddin 0.90 64-bit2627+12
−12		(−87)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−258
–   MadChess 3.0 64-bit2626+14
−14		(−88)16.5 − 5.5
(+13−2=7)		75.0%
16.5 / 22
100.0%
+100
–   Lozza 2.1 64-bit2622+23
−23		(−92)11 − 5
(+9−3=4)		68.8%
11.0 / 16
100.0%
+61
–   Avalanche 0.2.2 64-bit2622+21
−21		(−92)9.5 − 8.5
(+5−4=9)		52.8%
9.5 / 18
100.0%
−71
–   KnightX 2.7 64-bit2618+23
−23		(−96)12.5 − 3.5
(+10−1=5)		78.1%
12.5 / 16
100.0%
+112
–   Betsabe II 2023 64-bit2614+13
−13		(−100)0 − 2
(+0−2=0)		0.0%
0.0 / 2
100.0%
−INF
–   Lozza 2.0 64-bit2608+16
−16		(−106)22.5 − 9.5
(+16−3=13)
70.3%
22.5 / 32
100.0%
+40
–   Lux 4.1 64-bit2601+20
−20		(−113)25.5 − 8.5
(+22−5=7)
75.0%
25.5 / 34
100.0%
+89
–   Betsabe II 20202600+15
−15		(−114)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+177
–   KnightX 2.61 64-bit2600+23
−23		(−114)9 − 5
(+5−1=8)		64.3%
9.0 / 14
100.0%
−18
–   Nalwald 1.9 64-bit2596+25
−25		(−118)8 − 0
(+8−0=0)		100.0%
8.0 / 8
100.0%
+INF
–   Seawall 20230105 64-bit2594+17
−17		(−120)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−120
–   Raven 1.30 64-bit2593+11
−11		(−121)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+50
–   Jacky Chess 0.14.3 64-bit2591+17
−17		(−123)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Myrddin 0.89 64-bit2586+14
−14		(−128)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+38
–   Raven 1.20 64-bit2586+14
−14		(−128)7.5 − 2.5
(+7−2=1)		75.0%
7.5 / 10
100.0%
+88
–   Brutus 8.05 64-bit2580+17
−17		(−134)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+100
–   Coiled 0.6 64-bit2579+10
−10		(−135)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
100.0%
−206
–   Drofa 2.1.0 64-bit2565+25
−25		(−149)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−243
–   Tantabus 2.0.0 64-bit2559+11
−11		(−155)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+137
–   CT800 1.44 64-bit2535+15
−15		(−179)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−66
–   4ku 1.1 64-bit2531+22
−22		(−183)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
100.0%
−254
–   Maverick 1.5 64-bit2523+10
−10		(−191)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
–   Admete 1.5.0 64-bit2515+12
−12		(−199)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−86
–   FoxSEE 8.2 64-bit2495+11
−11		(−219)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−52
–   Loki 3.5.0 64-bit2472+12
−12		(−242)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Fornax 4.0 64-bit2467+13
−13		(−247)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+45
–   Qapla 0.1.1 64-bit2462+16
−16		(−252)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
–   Simbelmyne 1.3.1 64-bit2460+22
−22		(−254)24.5 − 3.5
(+21−0=7)		87.5%
24.5 / 28
100.0%
+37
–   Anka 0.6.3 64-bit2441+12
−12		(−273)4.5 − 0.5
(+4−0=1)		90.0%
4.5 / 5
100.0%
+45
–   Cheers 0.1 64-bit2383+22
−22		(−331)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−164
–   Eggnog 5 64-bit2195+27
−27		(−519)4 − 0
(+4−0=0)		100.0%
4.0 / 4
100.0%
+INF
2107 games: 673 wins, 681 losses, 753 draws (35.7%), score: 49.8%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on November 16, 2024