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

Options
Show each game results
Lozza 2.4 64-bit (2681+17
−17		)Quote
Author: Colin Jenkins (Wales) Link: Homepage
This is one of the 12 Lozza versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Ceibo 0.9 64-bit2868+12
−12		(+187)0.5 − 3.5
(+0−3=1)		12.5%
0.5 / 4
0.0%
−105
–   Deep Junior 11.2 64-bit2843+20
−20		(+162)2 − 8
(+1−7=2)		20.0%
2.0 / 10
0.0%
−77
–   DisasterArea 1.542841+22
−22		(+160)2.5 − 7.5
(+1−6=3)		25.0%
2.5 / 10
0.0%
−24
–   Critter 0.52b 64-bit2825+23
−23		(+144)1 − 9
(+0−8=2)		10.0%
1.0 / 10
0.0%
−180
–   NirvanaChess 1.7 64-bit2820+22
−22		(+139)2 − 8
(+0−6=4)		20.0%
2.0 / 10
0.0%
−69
–   Arasan 17.3 64-bit2799+23
−23		(+118)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
+53
–   Cyclone 2.22795+16
−16		(+114)5 − 5
(+2−2=6)		50.0%
5.0 / 10
0.0%
+109
–   Stockfish 1.3.1 32-bit2794+20
−20		(+113)4 − 6
(+2−4=4)		40.0%
4.0 / 10
0.0%
+44
–   Tornado 4.88 32-bit2785+22
−22		(+104)3 − 7
(+0−4=6)		30.0%
3.0 / 10
0.0%
−25
–   ProDeo 3.02776+22
−22		(+95)5 − 5
(+3−3=4)		50.0%
5.0 / 10
0.0%
+94
–   GreKo 2021.12 64-bit2769+14
−14		(+88)1.5 − 2.5
(+0−1=3)		37.5%
1.5 / 4
0.0%
+10
–   Odonata 0.6.2 64-bit2757+13
−13		(+76)5.5 − 6.5
(+2−3=7)		45.8%
5.5 / 12
0.0%
+43
–   Nawito 22.07 64-bit2755+10
−10		(+74)4 − 12
(+1−9=6)		25.0%
4.0 / 16
0.0%
−107
–   Inanis 1.1.0 64-bit2747+17
−17		(+66)8 − 8
(+4−4=8)		50.0%
8.0 / 16
0.0%
+71
–   Ethereal 8.28 64-bit2746+23
−23		(+65)2.5 − 7.5
(+1−6=3)		25.0%
2.5 / 10
0.0%
−121
–   Topple 0.3.5 64-bit2742+23
−23		(+61)3 − 7
(+1−5=4)		30.0%
3.0 / 10
0.0%
−87
–   GreKo 2021.10 64-bit2742+25
−25		(+61)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−51
–   Clovis 2.0 64-bit2742+20
−20		(+61)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
0.0%
+173
–   Leorik 2.3 64-bit2739+19
−19		(+58)12.5 − 13.5
(+8−9=9)		48.1%
12.5 / 26
0.0%
+41
–   Viridithas 2.7.0 64-bit2738+21
−21		(+57)7.5 − 8.5
(+2−3=11)		46.9%
7.5 / 16
0.0%
+36
–   Jonny 4.002734+8
−8		(+53)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
0.0%
+84
–   Octochess r4984 64-bit2728+23
−23		(+47)3.5 − 6.5
(+1−4=5)		35.0%
3.5 / 10
0.1%
−61
–   Devel 4.0.2.32726+14
−14		(+45)3.5 − 8.5
(+2−7=3)		29.2%
3.5 / 12
0.0%
−122
–   Crafty 23.3 32-bit2720+26
−26		(+39)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.7%
−27
–   Dumb 1.11 64-bit2718+18
−18		(+37)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
0.2%
+108
–   K2 0.992714+11
−11		(+33)8 − 9
(+4−5=8)		47.1%
8.0 / 17
0.1%
+10
–   Shield 2.1 64-bit2713+9
−9		(+32)1 − 3
(+0−2=2)		25.0%
1.0 / 4
0.1%
−134
–   MadChess 3.1 64-bit2713+14
−14		(+32)10 − 18
(+5−13=10)		35.7%
10.0 / 28
0.2%
−77
–   Delocto 200419 64-bit2709+11
−11		(+28)15 − 15
(+8−8=14)
50.0%
15.0 / 30
0.3%
+31
–   Caligula 1.0b2707+19
−19		(+26)2 − 2
(+0−0=4)		50.0%
2.0 / 4
2.0%
+26
–   Chessmaster 11 Archangel2706+15
−15		(+25)6.5 − 7.5
(+5−6=3)		46.4%
6.5 / 14
1.7%
−3
–   KnightX 3.3 64-bit2706+20
−20		(+25)5 − 5
(+3−3=4)		50.0%
5.0 / 10
3.3%
+24
–   Chess Tiger 2007.12703+8
−8		(+22)3.5 − 4.5
(+1−2=5)		43.8%
3.5 / 8
1.1%
−21
–   KnightX 3.6a 64-bit2703+19
−19		(+22)8.5 − 15.5
(+4−11=9)		35.4%
8.5 / 24
4.7%
−83
–   KnightX 3.4 64-bit2698+20
−20		(+17)12.5 − 13.5
(+6−7=13)		48.1%
12.5 / 26
10.4%
0
–   Blunder 8.5.5 64-bit2695+11
−11		(+14)20 − 20
(+11−11=18)
50.0%
20.0 / 40
9.1%
+11
–   ECE 20.1 64-bit2691+12
−12		(+10)5 − 7
(+4−6=2)		41.7%
5.0 / 12
17.9%
−67
–   Amoeba 1.3 64-bit2691+23
−23		(+10)3 − 7
(+2−6=2)		30.0%
3.0 / 10
25.6%
−156
–   Leorik 2.2 64-bit2683+18
−18		(+2)9 − 7
(+6−4=6)		56.3%
9.0 / 16
45.7%
+49
–   Supernova 2.4 64-bit2677+11
−11		(−4)11.5 − 12.5
(+6−7=11)		47.9%
11.5 / 24
66.7%
−17
–   KnightX 3.5 64-bit2677+22
−22		(−4)11.5 − 8.5
(+6−3=11)		57.5%
11.5 / 20
63.9%
+44
–   EXchess 6.71b 64-bit2667+26
−26		(−14)10 − 0
(+10−0=0)		100.0%
10.0 / 10
81.7%
+INF
–   Mr Bob 0.8.0 64-bit2663+18
−18		(−18)3.5 − 6.5
(+0−3=7)		35.0%
3.5 / 10
93.0%
−108
–   BugChess2 1.6.4 64-bit2653+25
−25		(−28)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
97.3%
+7
–   Scorpio 2.1 32-bit2649+26
−26		(−32)5 − 5
(+3−3=4)		50.0%
5.0 / 10
98.1%
−37
–   Zevra 2.5 64-bit2649+10
−10		(−32)9 − 7
(+4−2=10)		56.3%
9.0 / 16
100.0%
+10
–   Keele 1.0 64-bit2648+16
−16		(−33)3 − 1
(+3−1=0)		75.0%
3.0 / 4
99.8%
+218
–   Dirty 23Mar2012 32-bit2646+24
−24		(−35)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
99.2%
+2
–   CM9000 Assassin2639+17
−17		(−42)2 − 2
(+0−0=4)		50.0%
2.0 / 4
100.0%
−42
–   RookieMonster 1.9.9 64-bit2639+14
−14		(−42)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
+35
–   Gandalf 7 64-bit2639+13
−13		(−42)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+250
–   CM10th Guardian2637+18
−18		(−44)4 − 2
(+2−0=4)		66.7%
4.0 / 6
100.0%
+59
–   Gaviota 0.84 64-bit2633+23
−23		(−48)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
+36
–   CM10th Warrior2633+20
−20		(−48)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+118
–   Nawito 22.05 64-bit2630+19
−19		(−51)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
+115
–   Glaurung 1.1 32-bit2629+25
−25		(−52)4 − 6
(+3−5=2)		40.0%
4.0 / 10
100.0%
−132
–   MadChess 3.0 64-bit2626+14
−14		(−55)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
+39
–   WildCat 72619+12
−12		(−62)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
100.0%
−32
–   Bison 9.8 32-bit2612+24
−24		(−69)5 − 5
(+2−2=6)		50.0%
5.0 / 10
100.0%
−73
–   Philou 3.7.1 32-bit2601+25
−25		(−80)5 − 5
(+2−2=6)		50.0%
5.0 / 10
100.0%
−75
–   Andscacs 0.62u 64-bit2600+24
−24		(−81)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
0
–   Betsabe II 20202600+15
−15		(−81)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
+13
–   Seawall 20230105 64-bit2594+17
−17		(−87)1.5 − 2.5
(+1−2=1)		37.5%
1.5 / 4
100.0%
−188
–   Raven 1.30 64-bit2593+11
−11		(−88)2 − 2
(+1−1=2)		50.0%
2.0 / 4
100.0%
−99
–   Jacky Chess 0.14.3 64-bit2591+17
−17		(−90)2.5 − 1.5
(+1−0=3)		62.5%
2.5 / 4
100.0%
−18
–   Myrddin 0.89 64-bit2586+14
−14		(−95)13 − 7
(+8−2=10)		65.0%
13.0 / 20
100.0%
+7
–   Raven 1.20 64-bit2586+14
−14		(−95)3.5 − 2.5
(+2−1=3)		58.3%
3.5 / 6
100.0%
−47
–   Glass 1.9 64-bit2584+25
−25		(−97)6.5 − 3.5
(+4−1=5)		65.0%
6.5 / 10
100.0%
+5
–   Colossus 2007c2581+25
−25		(−100)6.5 − 3.5
(+4−1=5)		65.0%
6.5 / 10
100.0%
+8
–   Delfi 4.62577+24
−24		(−104)8 − 2
(+6−0=4)		80.0%
8.0 / 10
100.0%
+105
–   Cheng3 1.04 32-bit2564+25
−25		(−117)7 − 3
(+7−3=0)		70.0%
7.0 / 10
100.0%
+76
–   RedQueen 1.1.1 32-bit2562+25
−25		(−119)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
−6
–   Tantabus 2.0.0 64-bit2559+11
−11		(−122)2.5 − 1.5
(+2−1=1)		62.5%
2.5 / 4
100.0%
−27
–   Jumbo 0.7.0 64-bit2552+12
−12		(−129)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+122
–   Bobcat 20110414 32-bit2548+24
−24		(−133)9 − 1
(+8−0=2)		90.0%
9.0 / 10
100.0%
+192
–   Frenzee 2.02547+24
−24		(−134)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
100.0%
+57
–   FoxSEE 8.2 64-bit2495+11
−11		(−186)3 − 1
(+2−0=2)		75.0%
3.0 / 4
100.0%
−23
–   Delphil 2.82475+18
−18		(−206)8 − 2
(+7−1=2)		80.0%
8.0 / 10
100.0%
+41
–   Loki 3.5.0 64-bit2472+12
−12		(−209)3 − 1
(+3−1=0)		75.0%
3.0 / 4
100.0%
+42
–   Eggnog 4.0 64-bit2413+19
−19		(−268)3.5 − 0.5
(+3−0=1)		87.5%
3.5 / 4
100.0%
+24
853 games: 246 wins, 253 losses, 354 draws (41.5%), score: 49.6%

Rating changes by day

Rating changes with played games

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