CCRL 40/15
Downloads and Statistics
April 17, 2021
Testing summary:
Total: 1'237'141 games
played by 2'823 programs

White wins: 424'144 (34.3%)
Black wins: 311'632 (25.2%)
Draws: 501'365 (40.5%)
White score: 54.5%

Engine Details

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Show each game results
K2 0.87 (2583+18
−17		)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		(+442)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Quazar 0.4 64-bit2904+10
−10		(+321)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Bison 9.11 64-bit2756+13
−13		(+173)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Carballo 1.7 64-bit2737+14
−14		(+154)5 − 7
(+3−5=4)		41.7%
5.0 / 12
0.0%
+94
0 0 = = 0 1 1 1 = 0 0 =
–   Tucano 6.00 64-bit2723+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+17
−17		(+137)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−5
= 0 = 0
–   Marvin 2.2.0 64-bit2718+25
−25		(+135)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−91
0 0 1 0
–   Carballo 1.6 64-bit2709+25
−25		(+126)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   Amoeba 2.1 64-bit2709+29
−29		(+126)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−162
0 = 0 0
–   Ktulu 82706+9
−9		(+123)2 − 8
(+0−6=4)		20.0%
2.0 / 10
0.0%
−75
= 0 0 0 0 = = 0 = 0
–   Cheese 1.9 64-bit2705+16
−16		(+122)3 − 5
(+2−4=2)		37.5%
3.0 / 8
0.0%
+32
0 1 0 0 1 0 = =
–   Octochess r4741 64-bit2697+32
−32		(+114)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
+10
1 0 = 0 0 0 1 0 = =
–   Scorpio 2.6 32-bit2693+31
−31		(+110)2.5 − 7.5
(+1−6=3)		25.0%
2.5 / 10
0.0%
−63
0 0 = = 0 0 0 = 0 1
–   Devel 1.80902690+24
−24		(+107)6 − 2
(+5−1=2)		75.0%
6.0 / 8
0.0%
+290
1 1 0 1 = 1 1 =
–   Zurichess Graubuenden 64-bit2689+25
−25		(+106)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−44
0 = = 0
–   Gogobello 1.4 64-bit2687+16
−16		(+104)5 − 7
(+1−3=8)		41.7%
5.0 / 12
0.0%
+62
= = = 0 0 1 = = = = = 0
–   Cheese 1.8 64-bit2683+20
−20		(+100)1.5 − 6.5
(+1−6=1)		18.8%
1.5 / 8
0.0%
−161
0 0 1 0 = 0 0 0
–   WyldChess 1.51 64-bit2682+15
−15		(+99)1 − 3
(+1−3=0)		25.0%
1.0 / 4
0.0%
−137
0 0 1 0
–   Tornado 4.82 32-bit2681+34
−35		(+98)2 − 8
(+0−6=4)		20.0%
2.0 / 10
0.0%
−97
= 0 = = 0 = 0 0 0 0
–   Chessmaster 11 Leonidas2680+20
−20		(+97)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
0.0%
+137
1 0 0 = 1 1 1 = 0 =
–   chess22k 1.4 64-bit2674+23
−23		(+91)6.5 − 7.5
(+3−4=7)		46.4%
6.5 / 14
0.0%
+68
0 = 0 0 1 = = = = = = 0 1 1
–   Arminius 2017-01-01 64-bit2672+16
−16		(+89)5 − 11
(+0−6=10)		31.3%
5.0 / 16
0.0%
−15
0 0 = = = 0 0 0 = = = = 0 = = =
–   ChessBrainVB 2.052668+23
−23		(+85)2 − 1
(+1−0=2)		66.7%
2.0 / 3
0.0%
+167
1 = =
–   RedQueen 1.1.98 64-bit2663+16
−16		(+80)7 − 9
(+6−8=2)		43.8%
7.0 / 16
0.0%
+27
0 0 1 1 0 1 0 1 0 0 0 0 = 1 1 =
–   Floyd 0.9 64-bit2658+14
−14		(+75)11 − 17
(+8−14=6)		39.3%
11.0 / 28
0.0%
−2
0 = 1 = 0 1 0 0 = = 0 1 1 0 = 1 1 1 0 0 0 0 0 0 0 0 = 1
–   CM9000 Enforcer2657+19
−19		(+74)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−68
= 0
–   Philou 3.7.1 64-bit2650+13
−13		(+67)1 − 1
(+0−0=2)		50.0%
1.0 / 2
0.0%
+67
= =
–   GreKo 2018.02 64-bit2649+24
−24		(+66)3 − 4
(+2−3=2)		42.9%
3.0 / 7
0.0%
+19
1 = = 0 1 0 0
–   Cyrano 0.6b17 32-bit2648+14
−14		(+65)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.0%
+32
0 = 0 1 0 1 1 0 = =
–   Cyrano 0.6b17 64-bit2647+21
−21		(+64)0 − 2
(+0−2=0)		0.0%
0.0 / 2
0.0%
−INF
0 0
–   GreKo 2018.01 64-bit2645+27
−27		(+62)5.5 − 6.5
(+4−5=3)		45.8%
5.5 / 12
0.0%
+30
0 = 0 0 1 1 1 1 = = 0 0
–   ECE X3 64-bit2645+16
−16		(+62)10.5 − 9.5
(+7−6=7)		52.5%
10.5 / 20
0.0%
+75
1 0 = 1 0 0 = 0 1 = 1 = = 1 0 1 = 0 = 1
–   Gandalf 7 64-bit2644+18
−18		(+61)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−34
1 0 = 0
–   CM10th Magic II2643+16
−16		(+60)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−97
0 =
–   WyldChess 1.4 64-bit2639+24
−24		(+56)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−39
0 0 1 =
–   DanaSah 7.32639+14
−14		(+56)5 − 3
(+4−2=2)		62.5%
5.0 / 8
0.0%
+145
= 1 1 1 1 0 0 =
–   Counter 2.6 64-bit2633+25
−25		(+50)6 − 9
(+3−6=6)		40.0%
6.0 / 15
0.1%
−8
1 0 0 0 = = = 1 = 0 1 = 0 = 0
–   Sjakk 2.2 64-bit2632+15
−15		(+49)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−93
0 =
–   Rodin 8.02628+15
−15		(+45)17.5 − 23.5
(+8−14=19)
42.7%
17.5 / 41
0.0%
0
0 = = = = 0 = 1 = = = = 0 1 0 = = 1 = 1 1 = = 0 1 0 0 = 1 0 0 0 0 = 0 0 = 0 1 = =
–   Ruffian 2.1.02623+13
−13		(+40)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
0.0%
−117
= 0
–   Phalanx XXV2618+15
−15		(+35)18 − 21
(+12−15=12)
46.2%
18.0 / 39
0.1%
+10
0 0 1 = 0 = 1 = = 0 1 = = 1 0 0 1 0 = = = = 0 = 0 0 0 0 1 1 0 1 0 1 1 0 1 = 1
–   DanaSah 7.02617+26
−26		(+34)6 − 6
(+4−4=4)		50.0%
6.0 / 12
1.6%
+34
0 0 = = 1 1 0 0 = = 1 1
–   Hamsters 0.72617+21
−21		(+34)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.7%
−94
0 0 = = 0 1 = = 0 0
–   GreKo 2015-ML 64-bit2611+25
−25		(+28)6.5 − 7.5
(+4−5=5)		46.4%
6.5 / 14
4.0%
+3
1 0 0 0 1 0 0 1 = = = = = 1
–   Arasan 13.2 32-bit2608+32
−32		(+25)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
9.3%
−10
= = 1 0 = 1 0 0 1 0
–   Monolith 0.4 64-bit2608+19
−19		(+25)5.5 − 6.5
(+3−4=5)		45.8%
5.5 / 12
2.8%
+4
= 0 = 1 = 0 0 = = 1 1 0
–   Donna 4.0 64-bit2606+15
−15		(+23)17.5 − 20.5
(+10−13=15)
46.1%
17.5 / 38
2.5%
0
0 = 0 = = 0 = 0 = 1 0 0 1 0 1 0 = 0 1 1 0 0 = = = 1 = 1 = 0 = 0 = 1 1 1 = =
–   DanaSah 6.502605+22
−22		(+22)8 − 13
(+4−9=8)		38.1%
8.0 / 21
6.1%
−56
= 1 0 0 0 1 0 1 0 = = 0 0 1 = 0 = 0 = = =
–   Gogobello 1.3 64-bit2605+27
−27		(+22)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
8.4%
+53
1 = 1 = 1 0 0 = = =
–   Arminius 2015-08-06 64-bit2604+20
−20		(+21)7 − 7
(+3−3=8)		50.0%
7.0 / 14
5.9%
+21
0 1 = = = = 0 0 1 = = 1 = =
–   DanaSah 6.802602+28
−28		(+19)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
12.5%
+101
1 1 = 0
–   Gogobello 1.2 64-bit2596+28
−28		(+13)3.5 − 6.5
(+3−6=1)		35.0%
3.5 / 10
22.3%
−103
0 0 = 1 0 1 0 0 0 1
–   N2 0.4 64-bit2595+15
−16		(+12)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
16.6%
+49
= = 0 1 1 1 0 1 0 =
–   Muse 0.953 64-bit2594+16
−16		(+11)8.5 − 9.5
(+6−7=5)		47.2%
8.5 / 18
17.4%
−4
= 1 = 1 0 = 0 = 1 = 1 1 0 0 0 1 0 0
–   GreKo 2016 64-bit2592+21
−22		(+9)2 − 2
(+1−1=2)		50.0%
2.0 / 4
26.0%
+9
1 0 = =
–   Brutus 8.05 64-bit2590+20
−20		(+7)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
32.2%
+164
1 =
–   tomitankChess 1.5 64-bit2590+23
−23		(+7)4 − 6
(+1−3=6)		40.0%
4.0 / 10
32.6%
−48
= = = 1 0 = 0 = = 0
–   GarboChess 3.0 64-bit2585+16
−16		(+2)2 − 8
(+0−6=4)		20.0%
2.0 / 10
43.6%
−196
= 0 = = = 0 0 0 0 0
–   Nawito 1.1d2585+28
−28		(+2)7.5 − 4.5
(+6−3=3)		62.5%
7.5 / 12
47.0%
+93
= 1 1 0 0 = = 0 1 1 1 1
–   Ethereal 7.78 64-bit2585+24
−24		(+2)4.5 − 8.5
(+2−6=5)		34.6%
4.5 / 13
46.7%
−97
= = 0 0 0 = 1 0 0 = = 1 0
–   Marvin 2.1.0 64-bit2582+26
−26		(−1)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
53.3%
+91
0 1 = 1
–   Jellyfish 1.1 64-bit2580+15
−15		(−3)8.5 − 11.5
(+4−7=9)		42.5%
8.5 / 20
59.9%
−48
0 1 = 0 0 = 1 = = 1 = 0 0 1 = 0 0 = = =
–   Delocto 0.6 64-bit2579+15
−15		(−4)8 − 8
(+3−3=10)		50.0%
8.0 / 16
63.1%
−1
= 0 0 = 1 = = = = 1 1 = 0 = = =
–   Counter 2.1.0 64-bit2574+24
−24		(−9)8.5 − 3.5
(+6−1=5)		70.8%
8.5 / 12
72.3%
+120
= = 0 1 = 1 1 = 1 1 = 1
–   Schooner 1.8 64-bit2568+20
−20		(−15)11.5 − 6.5
(+8−3=7)		63.9%
11.5 / 18
87.9%
+70
= = = 1 0 1 0 = 1 1 = = 0 1 1 = 1 1
–   Coiled 0.4 64-bit2564+17
−17		(−19)19.5 − 12.5
(+15−8=9)
60.9%
19.5 / 32
94.7%
+56
0 = 1 = 1 1 1 1 = 1 = = = 0 1 0 = 1 1 1 1 1 0 0 = 0 1 0 1 0 1 =
–   Capivara LK 0.09b02g 64-bit2562+16
−16		(−21)8 − 4
(+6−2=4)		66.7%
8.0 / 12
96.3%
+93
= 1 = = 1 0 1 0 1 = 1 1
–   Counter 2.0.2 64-bit2561+26
−25		(−22)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
92.6%
−49
0 0 = = 0 1 = = = 1
–   Zurichess Glarus 64-bit2559+27
−27		(−24)5 − 5
(+2−2=6)		50.0%
5.0 / 10
93.4%
−20
1 = = = 0 = 0 = = 1
–   JikChess 0.02 64-bit2558+16
−16		(−25)8 − 6
(+7−5=2)		57.1%
8.0 / 14
98.4%
+29
1 0 1 1 0 0 1 = 1 0 0 = 1 1
–   Ghost 3 64-bit2558+24
−24		(−25)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
95.9%
−56
0 1 1 0 = 1 = 0 0 =
–   Carballo 1.5 64-bit2557+24
−24		(−26)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
96.3%
−57
1 0 = 0 = = = = 0 1
–   tomitankChess 1.4 64-bit2556+23
−23		(−27)1 − 1
(+1−1=0)		50.0%
1.0 / 2
96.9%
−27
1 0
–   Capivara LK 0.09b02c 64-bit2555+21
−21		(−28)5 − 5
(+4−4=2)		50.0%
5.0 / 10
98.0%
−28
1 0 1 1 1 0 0 = = 0
–   RubiChess 0.9 64-bit2554+22
−22		(−29)4 − 2
(+3−1=2)		66.7%
4.0 / 6
98.1%
+89
= 1 = 0 1 1
–   Gogobello 1.1 64-bit2552+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		(−32)13 − 15
(+9−11=8)		46.4%
13.0 / 28
99.8%
−58
1 = 0 1 0 0 0 0 1 1 0 0 1 = 1 0 = 1 = = 0 0 1 = 1 0 = =
–   WyldChess 1.3 64-bit2550+29
−29		(−33)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
97.4%
+138
= = 1 = 0 1 1 1 1 1
–   Ufim 8.022543+12
−12		(−40)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   chess22k 1.3 64-bit2538+24
−24		(−45)5 − 5
(+3−3=4)		50.0%
5.0 / 10
99.9%
−40
= 1 0 1 = 1 = 0 0 =
–   nanoSzachy 4.1 64-bit2534+16
−17		(−49)7 − 7
(+4−4=6)		50.0%
7.0 / 14
100.0%
−45
= 0 1 = 1 = 0 = 0 = 0 1 1 =
–   Fridolin 2.00 64-bit2531+15
−15		(−52)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
+11
= = 1 1 1 0 = = 0 1
–   Hermann 2.8 64-bit2528+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		(−56)3.5 − 4.5
(+3−4=1)		43.8%
3.5 / 8
100.0%
−101
1 1 0 0 = 0 0 1
–   Bagatur 1.5e 64-bit2517+21
−22		(−66)6 − 6
(+3−3=6)		50.0%
6.0 / 12
100.0%
−62
1 0 = 0 1 0 = 1 = = = =
–   CyberPagno 3.0 64-bit2515+14
−14		(−68)10.5 − 3.5
(+8−1=5)		75.0%
10.5 / 14
100.0%
+97
= 1 1 1 = 1 1 = 1 = = 0 1 1
–   ECE X22513+28
−28		(−70)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
0
0 = 1 0 0 1 1 1 1 =
–   Floyd 0.8 64-bit2510+23
−23		(−73)4.5 − 5.5
(+4−5=1)		45.0%
4.5 / 10
100.0%
−116
= 1 0 0 1 1 0 0 0 1
–   Betsabe II 1.752508+22
−22		(−75)9 − 5
(+8−4=2)		64.3%
9.0 / 14
100.0%
+39
0 0 1 0 1 0 = 1 1 1 1 1 = 1
–   ECE X2502+32
−32		(−81)7.5 − 2.5
(+5−0=5)		75.0%
7.5 / 10
100.0%
+67
1 = = 1 = = 1 1 1 =
–   WyldChess 1.1 64-bit2501+27
−28		(−82)7 − 1
(+6−0=2)		87.5%
7.0 / 8
100.0%
+203
1 1 1 = 1 1 = 1
–   Winter 0.1.1 64-bit2496+21
−21		(−87)5 − 1
(+5−1=0)		83.3%
5.0 / 6
100.0%
+236
1 1 0 1 1 1
–   MadChess 2.2 64-bit2493+14
−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		(−100)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
+49
1 = = 0 1 1 0 1 1 1
–   Jumbo 0.6.35 64-bit2479+20
−20		(−104)6.5 − 3.5
(+4−1=5)		65.0%
6.5 / 10
100.0%
−12
= = 1 1 1 0 = 1 = =
–   Lozza 1.18 64-bit2472+15
−15		(−111)4.5 − 3.5
(+3−2=3)		56.3%
4.5 / 8
100.0%
−62
= 0 = 1 1 0 = 1
–   Jumbo 0.6.31 64-bit2470+25
−25		(−113)7 − 5
(+5−3=4)		58.3%
7.0 / 12
100.0%
−54
0 = = 0 = 1 = 1 1 1 1 0
–   Schooner 1.7.0 64-bit2470+24
−24		(−113)5 − 5
(+3−3=4)		50.0%
5.0 / 10
100.0%
−113
0 0 1 1 0 = = = = 1
–   WyldChess 1.2 64-bit2469+26
−26		(−114)5.5 − 2.5
(+5−2=1)		68.8%
5.5 / 8
100.0%
+33
1 1 1 = 1 0 0 1
–   Counter 1.99 64-bit2463+32
−32		(−120)3.5 − 2.5
(+3−2=1)		58.3%
3.5 / 6
100.0%
−54
0 1 = 1 0 1
–   Bagatur 1.4e 64-bit2455+30
−30		(−128)8.5 − 1.5
(+8−1=1)		85.0%
8.5 / 10
100.0%
+178
0 1 1 1 1 1 1 1 = 1
–   Nemeton 1.512453+22
−22		(−130)2 − 4
(+0−2=4)		33.3%
2.0 / 6
100.0%
−219
= = 0 0 = =
–   Eeyore 1.52 64-bit2441+17
−17		(−142)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−111
=
–   Bearded N44.5 64-bit2441+20
−20		(−142)4 − 2
(+3−1=2)		66.7%
4.0 / 6
100.0%
−35
1 = 1 0 1 =
–   Nemeton 1.62439+24
−24		(−144)7.5 − 2.5
(+5−0=5)		75.0%
7.5 / 10
100.0%
+1
1 1 1 = 1 = 1 = = =
–   Ifrit m1.8 64-bit2413+17
−18		(−170)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−200
=
–   Zeus 1.292303+20
−20		(−280)0 − 1
(+0−1=0)		0.0%
0.0 / 1
100.0%
−INF
0
–   Anechka 0.082302+19
−18		(−281)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   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
1
–   ChessAlex 2.0r42203+20
−20		(−380)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 April 17, 2021