CCRL 40/15
Downloads and Statistics
January 24, 2021
Testing summary:
Total: 1'209'412 games
played by 2'772 programs

White wins: 415'904 (34.4%)
Black wins: 306'459 (25.3%)
Draws: 487'049 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
K2 0.87 (2584+17
−18		)Quote
Author: Sergey Meus (Russia) Link: Download
This is one of the 11 K2 versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   SmarThink 1.98 64-bit3025+13
−13		(+441)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Quazar 0.4 64-bit2904+10
−10		(+320)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Bison 9.11 64-bit2756+13
−13		(+172)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Carballo 1.7 64-bit2737+14
−14		(+153)5 − 7
(+3−5=4)		41.7%
5.0 / 12
0.0%
+93
1 = 1 1 0 0 0 = 0 0 = =
–   Tucano 6.00 64-bit2724+16
−16		(+140)0.5 − 7.5
(+0−7=1)		6.3%
0.5 / 8
0.0%
−269
= 0 0 0 0 0 0 0
–   ProDeo 2.22720+16
−17		(+136)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−6
= 0 = 0
–   Marvin 2.2.0 64-bit2718+25
−25		(+134)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−92
0 1 0 0
–   Amoeba 2.1 64-bit2709+29
−29		(+125)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−163
0 = 0 0
–   Carballo 1.6 64-bit2709+24
−25		(+125)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Ktulu 82706+9
−9		(+122)2 − 8
(+0−6=4)		20.0%
2.0 / 10
0.0%
−76
= 0 = 0 0 0 0 = = 0
–   Cheese 1.9 64-bit2705+15
−15		(+121)3 − 5
(+2−4=2)		37.5%
3.0 / 8
0.0%
+31
= 1 0 = 0 1 0 0
–   Octochess r4741 64-bit2697+32
−32		(+113)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
+9
= = 1 0 = 0 0 0 1 0
–   Scorpio 2.6 32-bit2693+31
−31		(+109)2.5 − 7.5
(+1−6=3)		25.0%
2.5 / 10
0.0%
−64
0 1 0 0 = = 0 0 0 =
–   Devel 1.80902690+24
−24		(+106)6 − 2
(+5−1=2)		75.0%
6.0 / 8
0.0%
+289
1 = = 1 1 1 0 1
–   Zurichess Graubuenden 64-bit2689+25
−24		(+105)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−45
0 = = 0
–   Gogobello 1.4 64-bit2687+16
−16		(+103)5 − 7
(+1−3=8)		41.7%
5.0 / 12
0.0%
+61
= = = = = 0 0 1 = = = 0
–   Cheese 1.8 64-bit2684+20
−20		(+100)1.5 − 6.5
(+1−6=1)		18.8%
1.5 / 8
0.0%
−161
0 0 0 0 1 0 = 0
–   WyldChess 1.51 64-bit2682+15
−15		(+98)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−138
0 0 1 0
–   Tornado 4.82 32-bit2681+34
−35		(+97)2 − 8
(+0−6=4)		20.0%
2.0 / 10
0.0%
−98
0 0 = 0 = = 0 = 0 0
–   Chessmaster 11 Leonidas2680+20
−20		(+96)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
0.0%
+136
1 = 0 = 1 0 0 = 1 1
–   chess22k 1.4 64-bit2674+23
−23		(+90)6.5 − 7.5
(+3−4=7)		46.4%
6.5 / 14
0.0%
+67
= 0 0 0 1 = 1 1 = 0 = = = =
–   Arminius 2017-01-01 64-bit2673+16
−16		(+89)5 − 11
(+0−6=10)		31.3%
5.0 / 16
0.0%
−15
= 0 0 0 = = 0 = = = = = 0 0 = =
–   ChessBrainVB 2.052669+23
−23		(+85)2 − 1
(+1−0=2)		66.7%
2.0 / 3
0.0%
+167
= 1 =
–   RedQueen 1.1.98 64-bit2663+17
−17		(+79)7 − 9
(+6−8=2)		43.8%
7.0 / 16
0.0%
+26
0 0 1 1 1 0 1 0 0 0 = = 1 1 0 0
–   Floyd 0.9 64-bit2658+14
−14		(+74)11 − 17
(+8−14=6)		39.3%
11.0 / 28
0.0%
−3
0 = = 1 0 0 1 0 1 0 0 1 = 1 0 0 0 0 1 0 0 0 = 1 0 = 1 =
–   CM9000 Enforcer2656+20
−20		(+72)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−70
= 0
–   Philou 3.7.1 64-bit2651+13
−13		(+67)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+67
= =
–   GreKo 2018.02 64-bit2649+23
−23		(+65)3 − 4
(+2−3=2)		42.9%
3.0 / 7
0.0%
+18
= = 1 0 0 1 0
–   Cyrano 0.6b17 64-bit2649+21
−21		(+65)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Cyrano 0.6b17 32-bit2648+14
−14		(+64)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+31
1 0 = = 0 = 0 1 0 1
–   Gandalf 7 64-bit2645+18
−18		(+61)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−34
= 0 1 0
–   ECE X3 64-bit2645+16
−16		(+61)10.5 − 9.5
(+7−6=7)		52.5%
10.5 / 20
0.0%
+74
= = 1 = 0 0 1 = 1 = 0 1 = 1 0 1 0 0 1 =
–   GreKo 2018.01 64-bit2645+27
−27		(+61)5.5 − 6.5
(+4−5=3)		45.8%
5.5 / 12
0.0%
+29
1 1 = = 0 0 0 = 0 0 1 1
–   CM10th Magic II2644+15
−15		(+60)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−97
0 =
–   DanaSah 7.32640+14
−14		(+56)5 − 3
(+4−2=2)		62.5%
5.0 / 8
0.0%
+145
= 1 1 1 1 0 0 =
–   WyldChess 1.4 64-bit2639+24
−24		(+55)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−40
1 0 0 =
–   Counter 2.6 64-bit2634+25
−25		(+50)6 − 9
(+3−6=6)		40.0%
6.0 / 15
0.1%
−8
0 0 0 = = 1 = 0 1 = 0 = 0 1 =
–   Sjakk 2.2 64-bit2632+15
−15		(+48)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−94
0 =
–   Rodin 8.02629+15
−15		(+45)17.5 − 23.5
(+8−14=19)
42.7%
17.5 / 41
0.0%
0
= 1 0 0 0 1 0 = = = 0 1 1 0 0 = 0 1 = 1 = 0 = 0 = = = = 0 = = = 0 = = = 0 = 1 1 0
–   Ruffian 2.1.02623+13
−13		(+39)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−118
= 0
–   Phalanx XXV2619+15
−15		(+35)18 − 21
(+12−15=12)
46.2%
18.0 / 39
0.1%
+10
0 = = = 0 0 = 0 0 = 1 0 0 0 1 1 1 0 1 1 0 1 = 1 = = 0 0 1 = = 0 1 = 0 = 1 1 0
–   Hamsters 0.72618+21
−21		(+34)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.7%
−94
0 0 0 0 = = 0 1 = =
–   DanaSah 7.02618+26
−26		(+34)6 − 6
(+4−4=4)		50.0%
6.0 / 12
1.6%
+34
1 1 = = 0 = = 1 0 1 0 0
–   GreKo 2015-ML 64-bit2611+25
−26		(+27)6.5 − 7.5
(+4−5=5)		46.4%
6.5 / 14
3.9%
+2
0 1 = = 1 0 0 0 1 = = = 1 0
–   Monolith 0.4 64-bit2609+19
−19		(+25)5.5 − 6.5
(+3−4=5)		45.8%
5.5 / 12
2.8%
+4
0 0 = = = 0 = 0 1 = 1 1
–   Arasan 13.2 32-bit2608+32
−32		(+24)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
9.1%
−11
0 0 1 0 = = 1 0 = 1
–   Gogobello 1.3 64-bit2606+27
−27		(+22)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
8.4%
+53
1 0 0 = = = 1 = 1 =
–   Donna 4.0 64-bit2606+15
−15		(+22)17.5 − 20.5
(+10−13=15)
46.1%
17.5 / 38
2.7%
−1
0 = 1 0 = = 0 = = = 1 0 = = 1 1 = 1 1 0 1 = = 0 = 1 0 = 0 = 0 0 0 1 = 0 1 0
–   DanaSah 6.502605+22
−22		(+21)8 − 13
(+4−9=8)		38.1%
8.0 / 21
6.2%
−57
0 0 = = = 1 = = 0 1 0 = = 1 0 0 0 = 0 0 1
–   Arminius 2015-08-06 64-bit2604+20
−19		(+20)7 − 7
(+3−3=8)		50.0%
7.0 / 14
5.9%
+20
0 0 1 = 0 1 = = 1 = = = = =
–   DanaSah 6.802603+28
−28		(+19)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
12.5%
+101
1 = 0 1
–   Gogobello 1.2 64-bit2596+28
−28		(+12)3.5 − 6.5
(+3−6=1)		35.0%
3.5 / 10
22.1%
−104
0 0 0 1 0 1 = 1 0 0
–   Muse 0.953 64-bit2596+16
−16		(+12)8.5 − 9.5
(+6−7=5)		47.2%
8.5 / 18
14.6%
−3
1 0 0 1 1 0 = 1 0 0 1 = 1 = 0 = 0 =
–   N2 0.4 64-bit2594+16
−16		(+10)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
18.9%
+47
0 = = = 0 1 1 1 0 1
–   GreKo 2016 64-bit2592+21
−22		(+8)2 − 2
(+1−1=2)		50.0%
2.0 / 4
26.2%
+8
1 0 = =
–   tomitankChess 1.5 64-bit2590+23
−23		(+6)4 − 6
(+1−3=6)		40.0%
4.0 / 10
32.5%
−49
0 = 0 = = 0 = 1 = =
–   Brutus 8.05 64-bit2589+21
−21		(+5)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
35.9%
+162
1 =
–   GarboChess 3.0 64-bit2586+16
−16		(+2)2 − 8
(+0−6=4)		20.0%
2.0 / 10
43.0%
−196
0 0 0 0 = 0 = = = 0
–   Nawito 1.1d2585+28
−28		(+1)7.5 − 4.5
(+6−3=3)		62.5%
7.5 / 12
47.0%
+92
= 0 = 1 1 1 1 1 1 0 0 =
–   Ethereal 7.78 64-bit2585+24
−24		(+1)4.5 − 8.5
(+2−6=5)		34.6%
4.5 / 13
46.7%
−98
1 0 0 = = = 0 0 0 = 1 0 =
–   Jellyfish 1.1 64-bit2581+15
−15		(−3)8.5 − 11.5
(+4−7=9)		42.5%
8.5 / 20
60.0%
−48
0 1 = = = 0 0 = = 1 0 1 = 0 0 = 1 = = 0
–   Marvin 2.1.0 64-bit2581+26
−27		(−3)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
55.5%
+89
1 = 1 0
–   Delocto 0.6 64-bit2580+15
−15		(−4)8 − 8
(+3−3=10)		50.0%
8.0 / 16
63.1%
−1
= = = = = 0 0 1 1 = 0 = = = = 1
–   Counter 2.1.0 64-bit2575+24
−24		(−9)8.5 − 3.5
(+6−1=5)		70.8%
8.5 / 12
72.2%
+120
0 1 = 1 1 = 1 1 = = = 1
–   Schooner 1.8 64-bit2568+20
−20		(−16)11.5 − 6.5
(+8−3=7)		63.9%
11.5 / 18
87.9%
+69
= = 1 = 0 1 0 = 1 1 = = 0 1 1 1 1 =
–   Coiled 0.4 64-bit2564+17
−17		(−20)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
94.7%
+55
1 0 1 0 = 0 0 0 1 = 1 1 = 1 0 = 0 = = = 1 = 1 1 = 1 1 0 1 1 1 1
–   Capivara LK 0.09b02g 64-bit2562+16
−16		(−22)8 − 4
(+6−2=4)		66.7%
8.0 / 12
96.2%
+92
1 = 1 1 = = 1 = 1 0 0 1
–   Counter 2.0.2 64-bit2561+26
−26		(−23)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
92.7%
−50
= = 0 0 = = 0 1 = 1
–   Ghost 3 64-bit2559+24
−24		(−25)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
95.0%
−56
0 1 1 0 = 1 = 0 0 =
–   Zurichess Glarus 64-bit2559+27
−27		(−25)5 − 5
(+2−2=6)		50.0%
5.0 / 10
93.4%
−21
= 1 1 = = = 0 = 0 =
–   JikChess 0.02 64-bit2558+16
−15		(−26)8 − 6
(+7−5=2)		57.1%
8.0 / 14
98.5%
+28
= 1 1 0 1 0 1 0 1 1 0 0 1 =
–   Carballo 1.5 64-bit2557+24
−24		(−27)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
96.2%
−58
= = 0 1 1 0 = 0 = =
–   Capivara LK 0.09b02c 64-bit2556+20
−21		(−28)5 − 5
(+4−4=2)		50.0%
5.0 / 10
98.0%
−28
0 = = 0 1 0 1 1 1 0
–   tomitankChess 1.4 64-bit2556+23
−23		(−28)1 − 1
(+1−1=0)		50.0%
1.0 / 2
97.0%
−28
1 0
–   RubiChess 0.9 64-bit2554+22
−22		(−30)4 − 2
(+3−1=2)		66.7%
4.0 / 6
98.1%
+88
= 1 = 0 1 1
–   Gogobello 1.1 64-bit2553+28
−28		(−31)6 − 4
(+4−2=4)		60.0%
6.0 / 10
96.9%
+27
= 1 1 = 0 1 0 = 1 =
–   Ghost 3.1 64-bit2551+15
−15		(−33)13 − 15
(+9−11=8)		46.4%
13.0 / 28
99.8%
−59
= = = 1 = = 0 0 1 = 1 1 0 0 1 = 1 0 1 0 0 1 1 = 0 0 0 0
–   WyldChess 1.3 64-bit2550+29
−29		(−34)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
97.4%
+137
= = 1 = 0 1 1 1 1 1
–   Ufim 8.022543+12
−12		(−41)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   chess22k 1.3 64-bit2538+24
−24		(−46)5 − 5
(+3−3=4)		50.0%
5.0 / 10
99.9%
−41
= 0 0 = 0 1 = 1 = 1
–   Fridolin 2.00 64-bit2532+16
−16		(−52)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
+11
= = 0 1 = = 1 1 1 0
–   nanoSzachy 4.1 64-bit2530+17
−17		(−54)7 − 7
(+4−4=6)		50.0%
7.0 / 14
100.0%
−50
1 1 = 0 0 = = 0 1 = 1 = 0 =
–   Hermann 2.8 64-bit2529+16
−16		(−55)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
+8
= = 1 0 0 1 = 1 1 =
–   Orion 0.5 64-bit2527+14
−14		(−57)3.5 − 4.5
(+3−4=1)		43.8%
3.5 / 8
100.0%
−102
0 0 = 0 0 1 1 1
–   Bagatur 1.5e 64-bit2517+22
−22		(−67)6 − 6
(+3−3=6)		50.0%
6.0 / 12
100.0%
−63
= = 1 0 = 1 = = 1 0 0 =
–   CyberPagno 3.0 64-bit2514+14
−14		(−70)10.5 − 3.5
(+8−1=5)		75.0%
10.5 / 14
100.0%
+94
1 = 1 = = 1 1 1 = 1 = 0 1 1
–   ECE X22513+28
−28		(−71)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
−1
0 = 1 0 0 1 1 1 1 =
–   Floyd 0.8 64-bit2510+24
−23		(−74)4.5 − 5.5
(+4−5=1)		45.0%
4.5 / 10
100.0%
−117
0 0 0 1 = 1 0 0 1 1
–   Betsabe II 1.752509+22
−22		(−75)9 − 5
(+8−4=2)		64.3%
9.0 / 14
100.0%
+39
1 0 = 1 = 1 1 1 1 1 0 0 0 1
–   ECE X2502+32
−32		(−82)7.5 − 2.5
(+5−0=5)		75.0%
7.5 / 10
100.0%
+66
= 1 1 = 1 1 1 = = =
–   WyldChess 1.1 64-bit2501+28
−28		(−83)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+202
= 1 1 1 1 = 1 1
–   Winter 0.1.1 64-bit2496+21
−21		(−88)5 − 1
(+5−1=0)		83.3%
5.0 / 6
100.0%
+235
1 1 0 1 1 1
–   MadChess 2.2 64-bit2494+15
−15		(−90)8.5 − 5.5
(+7−4=3)		60.7%
8.5 / 14
100.0%
−9
= 1 = 1 0 0 1 1 1 = 1 1 0 0
–   Jumbo 0.6.10 64-bit2483+24
−24		(−101)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
+48
1 1 1 = = 0 1 1 0 1
–   Jumbo 0.6.35 64-bit2479+19
−19		(−105)6.5 − 3.5
(+4−1=5)		65.0%
6.5 / 10
100.0%
−13
= = 1 1 1 0 = 1 = =
–   Lozza 1.18 64-bit2475+15
−15		(−109)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
100.0%
−60
= 0 = 1 1 0 = 1
–   Schooner 1.7.0 64-bit2471+24
−24		(−113)5 − 5
(+3−3=4)		50.0%
5.0 / 10
100.0%
−113
= = = 1 0 0 1 1 0 =
–   Jumbo 0.6.31 64-bit2470+25
−25		(−114)7 − 5
(+5−3=4)		58.3%
7.0 / 12
100.0%
−55
0 = = 0 = 1 0 = 1 1 1 1
–   WyldChess 1.2 64-bit2470+25
−26		(−114)5.5 − 2.5
(+5−2=1)		68.8%
5.5 / 8
100.0%
+33
1 0 0 1 1 1 1 =
–   Counter 1.99 64-bit2464+32
−32		(−120)3.5 − 2.5
(+3−2=1)		58.3%
3.5 / 6
100.0%
−54
= 1 0 1 0 1
–   Bagatur 1.4e 64-bit2455+30
−30		(−129)8.5 − 1.5
(+8−1=1)		85.0%
8.5 / 10
100.0%
+177
0 1 1 1 1 1 1 1 = 1
–   Nemeton 1.512453+22
−22		(−131)2 − 4
(+0−2=4)		33.3%
2.0 / 6
100.0%
−220
= = 0 0 = =
–   Eeyore 1.52 64-bit2442+17
−17		(−142)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−111
=
–   Bearded N44.5 64-bit2440+20
−20		(−144)4 − 2
(+3−1=2)		66.7%
4.0 / 6
100.0%
−37
1 = 1 0 1 =
–   Nemeton 1.62439+24
−24		(−145)7.5 − 2.5
(+5−0=5)		75.0%
7.5 / 10
100.0%
0
1 = 1 = = = 1 1 1 =
–   Ifrit m1.8 64-bit2413+18
−17		(−171)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−201
=
–   Anechka 0.082302+18
−19		(−282)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Zeus 1.292299+21
−20		(−285)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   Zevra 1.8.4 r650 64-bit2236+26
−26		(−348)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−317
=
–   Uralochka 1.1b2219+18
−18		(−365)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   ChessAlex 2.0r42203+20
−20		(−381)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
1102 games: 349 wins, 371 losses, 382 draws (34.7%), score: 49.0%

Rating changes by day

Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on January 24, 2021