CCRL 40/15
Downloads and Statistics
February 27, 2021
Testing summary:
Total: 1'220'404 games
played by 2'798 programs

White wins: 419'286 (34.4%)
Black wins: 308'460 (25.3%)
Draws: 492'658 (40.4%)
White score: 54.5%

Engine Details

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Show each game results
Naum 2.0 32-bit (2696+15
−15		)Quote
Author: Aleksandar Naumov (Serbia/Canada) Link: Homepage
Naum 2.0 was released on September 12, 2006. It is the last free version of Naum.
This is one of the 26 Naum versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Rybka 2.3.2a 32-bit2911+9
−9		(+215)5 − 25
(+0−20=10)
16.7%
5.0 / 30
0.0%
−18
0 0 0 0 0 0 0 = = 0 = = 0 0 = = 0 0 0 0 = 0 = 0 0 = 0 0 = 0
–   Rybka 2.2 32-bit2884+16
−16		(+188)9 − 25
(+2−18=14)
26.5%
9.0 / 34
0.0%
+37
= 0 = 1 0 0 0 = 0 0 = 0 0 0 = 0 = = = = 0 0 0 = 0 0 = = = 0 0 1 0 =
–   Rybka 1.2 32-bit2867+17
−17		(+171)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Stockfish 1.5.1 32-bit2862+15
−14		(+166)10 − 22
(+3−15=14)
31.3%
10.0 / 32
0.0%
+48
1 0 0 0 = = 0 = = = 0 = = 0 = 1 1 = 0 0 = = = = 0 0 = 0 0 0 0 0
–   Rybka 2.1 32-bit2861+22
−22		(+165)2 − 3
(+1−2=2)		40.0%
2.0 / 5
0.0%
+88
0 = 0 1 =
–   Thinker 5.4c Inert 32-bit2848+13
−13		(+152)12.5 − 17.5
(+9−14=7)
41.7%
12.5 / 30
0.0%
+89
0 = 0 = 0 0 = 0 0 0 1 = 1 0 0 1 = 1 1 0 = 0 = 0 1 0 1 1 0 1
–   Stockfish 1.4 32-bit2829+16
−16		(+133)9.5 − 20.5
(+4−15=11)
31.7%
9.5 / 30
0.0%
+13
= = = 0 1 0 0 0 1 0 = 0 = 1 = 0 0 = = 0 0 0 0 = 0 0 = = 1 0
–   Grapefruit 1.0 32-bit2825+9
−9		(+129)9 − 21
(+2−14=14)
30.0%
9.0 / 30
0.0%
+6
= 0 = = = = = = 0 = = = 1 = 0 0 0 0 0 0 = 0 0 0 0 0 = 0 1 =
–   Rybka 1.0 64-bit2824+14
−14		(+128)10.5 − 21.5
(+6−17=9)
32.8%
10.5 / 32
0.0%
+11
0 1 0 = 0 1 0 = 0 1 = 0 0 0 = 0 = 1 0 0 0 0 = 1 0 1 = 0 0 0 = =
–   Cyclone xTreme2822+13
−13		(+126)10 − 20
(+3−13=14)
33.3%
10.0 / 30
0.0%
+23
0 0 = = = = = 0 0 = 0 0 = = 0 = 0 = 0 1 = 0 1 1 0 0 0 = = =
–   Bright 0.2c 4CPU2805+21
−21		(+109)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+78
=
–   Deep Junior 10 4CPU2801+14
−14		(+105)9 − 21
(+4−16=10)
30.0%
9.0 / 30
0.0%
−29
= 0 0 = 0 0 0 0 0 0 1 0 = 0 0 = = 1 1 0 0 = 1 0 = 0 = = 0 =
–   Spark 0.3 32-bit2796+16
−16		(+100)10.5 − 19.5
(+1−10=19)
35.0%
10.5 / 30
0.0%
+16
= = 0 = 0 0 0 = 1 = = = = = = = 0 = = = = = = 0 0 = = 0 0 0
–   Doch 09.980 32-bit2794+19
−19		(+98)7.5 − 22.5
(+1−16=13)
25.0%
7.5 / 30
0.0%
−60
0 = 0 = 0 0 0 = 0 0 = 0 = = 0 = = 0 0 = = 0 1 0 = = 0 0 = 0
–   Hiarcs 112775+25
−25		(+79)1.5 − 4.5
(+0−3=3)		25.0%
1.5 / 6
0.0%
−73
= 0 0 = 0 =
–   Bright 0.4a2775+10
−10		(+79)9.5 − 20.5
(+3−14=13)
31.7%
9.5 / 30
0.0%
−37
0 = 1 0 0 = 0 1 1 0 0 0 = = = = 0 = 0 0 = 0 0 = = = 0 0 = =
–   Loop 13.5 32-bit2774+27
−27		(+78)0 − 1
(+0−1=0)		0.0%
0.0 / 1
0.0%
−INF
0
–   Shredder 102770+13
−13		(+74)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.0%
−76
0 = = 0
–   Loop 10.32f2764+19
−19		(+68)3 − 2
(+2−1=2)		60.0%
3.0 / 5
0.0%
+135
1 0 1 = =
–   Loop 12.322761+22
−22		(+65)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
0.0%
−27
0 1 0 =
–   Toga II 1.2.1a 32-bit2759+12
−12		(+63)12 − 20
(+6−14=12)
37.5%
12.0 / 32
0.0%
−19
= 0 0 1 1 = 0 = = 0 0 = = 0 = = = 0 0 0 1 1 = 1 1 0 0 = 0 0 = 0
–   Hiarcs X54 Hypermodern 32-bit2755+29
−28		(+59)3 − 5
(+2−4=2)		37.5%
3.0 / 8
0.0%
−34
= 0 = 1 1 0 0 0
–   Hiarcs X50 Hypermodern2755+30
−30		(+59)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
0.0%
+98
0 = 1 = 1 =
–   Stockfish 1.012745+31
−31		(+49)6 − 14
(+4−12=4)		30.0%
6.0 / 20
0.2%
−104
= 0 0 0 0 0 0 1 0 1 1 = 1 0 0 0 0 = 0 =
–   Spike 1.2 Turin2744+7
−7		(+48)29.5 − 32.5
(+18−21=23)
47.6%
29.5 / 62
0.0%
+31
= 1 = 0 1 = = = 0 = 1 = = 1 = 0 0 = = 1 = 1 = = 1 1 1 1 = 0 0 0 0 0 1 0 = 0 0 1 = 0 = 1 0 = 1 1 0 1 0 = = 0 = 0 = 1 0 0 0 1
–   Glaurung 2.0.1 64-bit2744+18
−18		(+48)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.0%
+17
=
–   Fruit 2.2.12743+13
−13		(+47)2 − 3
(+0−1=4)		40.0%
2.0 / 5
0.0%
−6
= = = = 0
–   Hiarcs X502743+19
−19		(+47)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−56
= 1 0 1 0 0 0 = 0 =
–   Junior 102743+13
−13		(+47)2.5 − 3.5
(+1−2=3)		41.7%
2.5 / 6
0.0%
−4
0 1 = = = 0
–   Fritz 92742+14
−14		(+46)5.5 − 6.5
(+4−5=3)		45.8%
5.5 / 12
0.0%
+10
1 0 0 0 = 0 = 1 1 1 = 0
–   Toga II 1.2 32-bit2734+25
−25		(+38)3 − 5
(+2−4=2)		37.5%
3.0 / 8
0.5%
−57
0 = 0 = 0 0 1 1
–   Hiarcs X54 32-bit2730+32
−32		(+34)11.5 − 12.5
(+7−8=9)		47.9%
11.5 / 24
2.8%
+21
0 = = = 0 1 = 1 1 = 0 = = 1 1 1 = 0 0 0 0 0 = 1
–   Toga II 1.1a 32-bit2730+16
−16		(+34)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
0.1%
+3
=
–   Twisted Logic 20090922 32-bit2729+19
−19		(+33)15 − 15
(+8−8=14)
50.0%
15.0 / 30
0.3%
+35
= = 0 1 1 0 0 0 1 = 0 1 = 0 = 0 0 = = 1 = 1 = 1 = 1 = = = =
–   Twisted Logic 200806202722+16
−16		(+26)15.5 − 14.5
(+11−10=9)
51.7%
15.5 / 30
1.0%
+35
0 0 = 1 1 1 = = 0 0 = 1 1 1 = = 0 0 0 = 1 0 1 0 = 1 0 1 = 1
–   Ktulu 82705+9
−9		(+9)5 − 4
(+3−2=4)		55.6%
5.0 / 9
15.1%
+36
= = 0 1 = = 1 0 1
–   SmarThink 1.00 64-bit2703+35
−35		(+7)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
36.2%
+37
=
–   Fritz 8 Bilbao2700+28
−28		(+4)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
42.0%
+86
1 1 0 =
–   Frenzee Feb08 32-bit2694+13
−13		(−2)9.5 − 20.5
(+5−16=9)
31.7%
9.5 / 30
58.6%
−128
0 1 0 0 = 0 = 1 = 0 0 = 0 = 0 = 1 = 1 1 0 0 0 0 0 0 = = 0 0
–   Booot 4.15.02692+14
−14		(−4)14.5 − 15.5
(+6−7=17)
48.3%
14.5 / 30
66.2%
−15
= 1 1 = = 0 = = = 0 = 0 0 = 1 1 = = = 0 = = 0 1 = = 1 0 = =
–   Delfi 5.42689+12
−12		(−7)15.5 − 14.5
(+8−7=15)
51.7%
15.5 / 30
80.1%
+3
= = 0 = = 0 = = = 1 0 1 = 1 0 0 = = = 1 1 = 0 = = 1 1 = 0 1
–   Crafty 23.1 32-bit2686+18
−18		(−10)15.5 − 14.5
(+8−7=15)
51.7%
15.5 / 30
81.3%
0
= 1 = 0 = = = 1 0 = 1 1 0 = = = 0 1 = 1 1 = = = 1 0 0 0 = =
–   Chess Tiger 20072681+12
−12		(−15)16.5 − 17.5
(+7−8=19)
48.5%
16.5 / 34
94.9%
−20
1 = = 0 = 0 1 = = = = = 1 1 0 = 0 0 0 = = = 1 = 0 = = = 0 = = 1 1 =
–   Zap!Chess Paderborn SE 32-bit2669+34
−34		(−27)1 − 1
(+0−0=2)		50.0%
1.0 / 2
92.5%
−27
= =
–   Scorpio 1.92668+30
−30		(−28)5 − 7
(+2−4=6)		41.7%
5.0 / 12
95.1%
−77
= 1 0 0 = = 0 = = 1 = 0
–   Scorpio 1.842667+32
−32		(−29)4 − 9
(+2−7=4)		30.8%
4.0 / 13
95.4%
−165
= 0 1 0 1 = 0 = 0 = 0 0 0
–   Movei 00.8.438 (10 10 10)2666+11
−11		(−30)15.5 − 15.5
(+8−8=15)
50.0%
15.5 / 31
100.0%
−28
= = = 0 = = = 0 0 1 1 = 0 = 1 1 = 0 0 1 = = 1 = = 0 0 = 1 = 1
–   Glaurung 1.2.1 64-bit2665+23
−23		(−31)19.5 − 10.5
(+14−5=11)
65.0%
19.5 / 30
99.0%
+69
= 0 1 = 1 1 1 0 0 1 = = 1 1 1 = 1 1 1 = 1 = 1 = 0 = = = 1 0
–   SmarThink 1.00 32-bit2665+15
−15		(−31)2 − 2
(+0−0=4)		50.0%
2.0 / 4
99.9%
−31
= = = =
–   Scorpio 1.912661+14
−14		(−35)18.5 − 13.5
(+13−8=11)
57.8%
18.5 / 32
100.0%
+20
1 0 0 1 1 1 = 1 = = 0 1 = 1 1 1 = = 0 1 0 = = 1 0 1 1 = 0 = 0 =
–   CM10th Xperience2660+13
−13		(−36)5 − 4
(+3−2=4)		55.6%
5.0 / 9
100.0%
0
= = 1 0 = 1 0 = 1
–   CM10th Lazarus2660+23
−23		(−36)1 − 0
(+1−0=0)		100.0%
1.0 / 1
99.6%
+INF
1
–   CM9000 Enforcer2657+20
−20		(−39)5.5 − 8.5
(+2−5=7)		39.3%
5.5 / 14
99.9%
−103
= 0 = 0 1 0 = = = 0 1 = = 0
–   Glaurung 1.2.1 32-bit2654+16
−17		(−42)21.5 − 18.5
(+15−12=13)
53.8%
21.5 / 40
100.0%
−15
= 1 0 0 0 1 1 = = = 0 1 0 1 1 1 1 0 1 = 1 = 1 1 1 0 = = 0 1 0 = 1 0 = = 0 = = 0
–   CM10th Paralyse2653+15
−15		(−43)8.5 − 7.5
(+5−4=7)		53.1%
8.5 / 16
100.0%
−24
= 0 = 0 = = 1 1 1 0 0 1 1 = = =
–   CM10th Pestilence2643+23
−24		(−53)2 − 1
(+1−0=2)		66.7%
2.0 / 3
100.0%
+42
= 1 =
–   Scorpio 1.82640+20
−20		(−56)21 − 17
(+15−11=12)
55.3%
21.0 / 38
100.0%
−18
1 = = 0 0 0 1 0 = 1 1 = 1 1 = 0 1 0 = 0 1 1 0 1 1 = 1 = 0 = 1 = 1 = 0 0 1 =
–   Slow Chess Blitz WV2.12636+11
−12		(−60)24 − 13
(+16−5=16)
64.9%
24.0 / 37
100.0%
+34
1 1 = 1 0 = = = = 1 = 1 1 = = 1 = 1 = 1 1 1 1 = 0 1 = = = 0 0 1 = 0 1 = 1
–   Gandalf 62634+11
−11		(−62)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
+5
= = = 1
–   WildCat 72627+14
−14		(−69)31.5 − 16.5
(+22−7=19)
65.6%
31.5 / 48
100.0%
+30
= 1 1 0 1 = 1 = 1 1 = 1 = 1 0 1 1 = 0 = 1 0 = = = = 1 1 1 1 0 0 = 1 0 1 = = = = 1 = 1 1 1 = = 1
–   Ruffian 2.1.02623+13
−13		(−73)5 − 4
(+3−2=4)		55.6%
5.0 / 9
100.0%
−36
0 0 = = = 1 1 = 1
–   ProDeo 1.22619+18
−18		(−77)11 − 5
(+9−3=4)		68.8%
11.0 / 16
100.0%
+57
1 = 1 = 1 1 = 1 1 1 0 1 0 0 1 =
–   List 5.122618+18
−18		(−78)22.5 − 9.5
(+17−4=11)
70.3%
22.5 / 32
100.0%
+58
1 1 1 1 1 1 0 1 1 = = 1 = = 1 = = 0 = 1 1 1 1 = 1 1 1 = 0 0 = =
–   ProDeo 1.62617+20
−20		(−79)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Zappa 1.1 64-bit2615+18
−18		(−81)17.5 − 14.5
(+11−8=13)
54.7%
17.5 / 32
100.0%
−52
0 0 0 1 = 1 = = 1 = 0 = = = = = = 1 0 1 0 0 1 1 = = 1 = 1 1 0 1
–   Pharaon 3.5.12613+12
−12		(−83)30.5 − 12.5
(+21−3=19)
70.9%
30.5 / 43
100.0%
+47
= 1 = 1 = 1 1 1 = 1 = 1 0 = 1 = 1 1 = 0 = = 1 1 1 = = 1 0 1 = 1 1 = = 1 1 1 = 1 = = =
–   Ruffian 1.0.52608+20
−20		(−88)21 − 11
(+13−3=16)
65.6%
21.0 / 32
100.0%
+5
= 1 0 = 1 = 1 1 = 1 = = 1 = = = 1 1 = = = 0 = = = = 0 1 1 1 1 1
–   Delfi 5.02599+20
−20		(−97)2.5 − 0.5
(+2−0=1)		83.3%
2.5 / 3
100.0%
+147
= 1 1
–   Aristarch 4.502596+12
−12		(−100)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
+57
= 1
–   WildCat 62593+21
−22		(−103)9 − 3
(+7−1=4)		75.0%
9.0 / 12
100.0%
+63
1 = 1 1 0 1 = = 1 1 1 =
–   Pseudo 0.7c2590+13
−13		(−106)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−38
= 1 = =
–   ProDeo 1.12587+30
−30		(−109)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−265
= 0
–   Zappa 1.1 32-bit2581+29
−29		(−115)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−104
0 = = 1
–   Frenzee 3.0 32-bit2577+22
−22		(−119)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Jonny 2.83 32-bit2576+17
−16		(−120)1.5 − 1.5
(+1−1=1)		50.0%
1.5 / 3
100.0%
−134
= 1 0
–   Petir 3.99d2568+31
−31		(−128)10.5 − 4.5
(+7−1=7)		70.0%
10.5 / 15
100.0%
0
= 1 1 1 = = 1 0 1 1 = = = = 1
–   Frenzee 2.02566+33
−33		(−130)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+19
1 = 1 =
–   SOS 5.12563+13
−13		(−133)2 − 1
(+1−0=2)		66.7%
2.0 / 3
100.0%
−50
1 = =
–   BugChess2 1.5.22562+29
−29		(−134)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Colossus 2006f2555+23
−23		(−141)5.5 − 1.5
(+5−1=1)		78.6%
5.5 / 7
100.0%
+94
1 1 1 = 1 1 0
–   The Baron 1.7.02549+33
−33		(−147)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−79
= = 1 =
–   Thinker 4.7a2545+30
−30		(−151)0.5 − 1.5
(+0−1=1)		25.0%
0.5 / 2
100.0%
−293
= 0
–   Ufim 8.022543+12
−12		(−153)2 − 2
(+2−2=0)		50.0%
2.0 / 4
100.0%
−153
0 1 1 0
–   Movei 00.8.4032525+32
−32		(−171)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Booot 4.12.12521+33
−33		(−175)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Crafty 20.14 32-bit2517+27
−27		(−179)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−21
= 1
–   AnMon 5.602514+15
−15		(−182)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Little Goliath Evolution 3.122507+18
−18		(−189)2 − 0
(+2−0=0)		100.0%
2.0 / 2
100.0%
+INF
1 1
–   Arasan 10.32498+23
−23		(−198)26 − 6
(+21−1=10)
81.3%
26.0 / 32
100.0%
+22
1 1 1 1 1 1 = = 1 1 1 1 1 = 1 = 1 = = 1 1 1 1 1 1 = 1 0 = = 1 =
–   Twisted Logic 20080404x2495+26
−26		(−201)14 − 6
(+11−3=6)		70.0%
14.0 / 20
100.0%
−64
= 1 1 1 = 0 1 = 1 0 1 1 1 1 1 0 = = 1 =
–   Movei 00.8.3582489+32
−32		(−207)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−50
1 =
–   Arasan 10.2 32-bit2479+23
−23		(−217)27 − 5
(+23−1=8)
84.4%
27.0 / 32
100.0%
+41
1 1 1 = 1 1 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 0 = 1 1 1 = 1 = = 1 =
–   Trace 1.37a2471+18
−18		(−225)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Arasan 10.42470+20
−20		(−226)23.5 − 7.5
(+19−3=9)
75.8%
23.5 / 31
100.0%
−44
1 1 = 0 1 = = 1 1 = 1 0 0 = = 1 1 1 = = 1 = 1 1 1 1 1 1 1 1 1
–   Quark 2.352469+18
−17		(−227)1.5 − 0.5
(+1−0=1)		75.0%
1.5 / 2
100.0%
−69
1 =
–   Twisted Logic 20071202x2458+26
−27		(−238)14 − 3
(+13−2=2)		82.4%
14.0 / 17
100.0%
+32
1 1 1 1 = = 1 1 1 1 1 1 1 0 1 0 1
–   Arasan 10.12442+27
−27		(−254)14 − 4
(+12−2=4)		77.8%
14.0 / 18
100.0%
−45
1 1 1 0 1 = 1 1 1 1 1 1 1 0 = = 1 =
–   Hermann 1.92407+34
−34		(−289)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Djinn 0.925x2402+23
−23		(−294)1 − 1
(+0−0=2)		50.0%
1.0 / 2
100.0%
−294
= =
–   Amateur 2.822395+19
−19		(−301)1 − 0
(+1−0=0)		100.0%
1.0 / 1
100.0%
+INF
1
–   Alfil 6.102359+33
−33		(−337)0.5 − 0.5
(+0−0=1)		50.0%
0.5 / 1
100.0%
−367
=
1558 games: 489 wins, 459 losses, 610 draws (39.2%), score: 51.0%

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Rating changes with played games

Created in 2005-2013 by CCRL team
Last games added on February 27, 2021