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
Scorpio 2.7.9 64-bit (2883+22
−22		)Quote
Author: Daniel Shawul (Ethiopia) Link: WBEC
This is one of the 32 Scorpio versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Ethereal 9.00 64-bit2995+15
−15		(+112)10.5 − 19.5
(+4−13=13)
35.0%
10.5 / 30
0.0%
+5
–   Hannibal 1.3 64-bit2989+14
−14		(+106)5 − 5
(+4−4=2)		50.0%
5.0 / 10
0.0%
+105
–   Wasp 2.6 64-bit2970+11
−11		(+87)3 − 7
(+0−4=6)		30.0%
3.0 / 10
0.0%
−40
–   Zahak 7.0 64-bit2962+21
−21		(+79)6 − 8
(+4−6=4)		42.9%
6.0 / 14
0.0%
+20
–   Chiron 1.1a 32-bit2953+12
−12		(+70)3.5 − 6.5
(+2−5=3)		35.0%
3.5 / 10
0.0%
−42
–   Bobcat 8.0 64-bit2946+10
−10		(+63)6.5 − 4.5
(+4−2=5)		59.1%
6.5 / 11
0.0%
+138
–   Spike 1.4 Leiden2935+6
−6		(+52)6 − 4
(+5−3=2)		60.0%
6.0 / 10
0.0%
+143
–   Toga II 4.0 64-bit2925+11
−11		(+42)4 − 6
(+1−3=6)		40.0%
4.0 / 10
0.0%
−25
–   Amoeba 2.7 64-bit2922+11
−11		(+39)4.5 − 5.5
(+3−4=3)		45.0%
4.5 / 10
0.1%
+3
–   chess22k 1.7 64-bit2919+19
−19		(+36)5.5 − 10.5
(+3−8=5)		34.4%
5.5 / 16
0.6%
−84
–   Atlas 3.91 64-bit2916+11
−11		(+33)6.5 − 6.5
(+5−5=3)		50.0%
6.5 / 13
0.4%
+33
–   EXchess 7.97b 64-bit2913+10
−10		(+30)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
0.7%
+68
–   Demolito 2017-08-26 64-bit2908+17
−17		(+25)2 − 8
(+1−7=2)		20.0%
2.0 / 10
3.6%
−214
–   Deuterium 14.3.34.130 64-bit2908+11
−11		(+25)5.5 − 4.5
(+3−2=5)		55.0%
5.5 / 10
1.9%
+58
–   Ethereal 8.62 64-bit2902+20
−20		(+19)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
9.8%
−16
–   Quazar 0.4 32-bit2897+10
−10		(+14)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
12.1%
−14
–   Protector 1.4.0 32-bit2897+9
−9		(+14)2 − 8
(+1−7=2)		20.0%
2.0 / 10
11.4%
−233
–   Gull 1.2 32-bit2896+10
−10		(+13)4 − 6
(+2−4=4)		40.0%
4.0 / 10
14.4%
−64
–   Spark 1.0 32-bit2880+9
−9		(−3)5.5 − 4.5
(+5−4=1)		55.0%
5.5 / 10
59.2%
+44
–   Dirty 30Apr2017 64-bit2871+13
−13		(−12)4 − 6
(+1−3=6)		40.0%
4.0 / 10
82.5%
−76
–   Naum 3 32-bit2869+14
−14		(−14)5 − 5
(+4−4=2)		50.0%
5.0 / 10
85.0%
−19
–   Andscacs 0.70 64-bit2863+22
−22		(−20)4.5 − 5.5
(+2−3=5)		45.0%
4.5 / 10
89.4%
−49
–   DisasterArea 1.65 64-bit2862+11
−11		(−21)6 − 4
(+3−1=6)		60.0%
6.0 / 10
95.7%
+43
–   Atlas 3.80 64-bit2861+12
−12		(−22)6 − 4
(+5−3=2)		60.0%
6.0 / 10
95.8%
+73
–   Vajolet2 1.28 64-bit2859+19
−19		(−24)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
95.1%
+7
–   Thinker 5.3b Inert 32-bit2858+16
−16		(−25)5.5 − 4.5
(+2−1=7)		55.0%
5.5 / 10
96.3%
+7
–   Tornado 8.0 64-bit2858+10
−10		(−25)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
97.8%
+15
–   Fruit Reloaded 3.2.1 64-bit2851+11
−11		(−32)8.5 − 11.5
(+4−7=9)		42.5%
8.5 / 20
99.6%
−86
–   The Baron 3.41 64-bit2850+19
−19		(−33)5 − 5
(+3−3=4)		50.0%
5.0 / 10
98.8%
−33
–   Tucano 7.00 64-bit2839+17
−17		(−44)12 − 8
(+7−3=10)		60.0%
12.0 / 20
99.9%
+29
–   Murka 3 64-bit2833+10
−10		(−50)5.5 − 4.5
(+4−3=3)		55.0%
5.5 / 10
100.0%
−6
–   Rybka 1.0 64-bit2832+10
−10		(−51)5 − 5
(+4−4=2)		50.0%
5.0 / 10
100.0%
−45
–   GNU Chess 5.60 64-bit2825+13
−13		(−58)6.5 − 3.5
(+4−1=5)		65.0%
6.5 / 10
100.0%
+44
–   Ethereal 8.37 64-bit2822+22
−22		(−61)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
+9
–   Rhetoric 1.4.3 64-bit2803+10
−10		(−80)7 − 3
(+5−1=4)		70.0%
7.0 / 10
100.0%
+62
–   Zappa Mexico 32-bit2801+14
−14		(−82)6.5 − 3.5
(+4−1=5)		65.0%
6.5 / 10
100.0%
+18
–   Loop 13.6 (Loop 2007) 64-bit2796+13
−13		(−87)5 − 5
(+4−4=2)		50.0%
5.0 / 10
100.0%
−92
–   Octochess r5506 64-bit2794+12
−12		(−89)6.5 − 3.5
(+5−2=3)		65.0%
6.5 / 10
100.0%
+30
–   Fizbo 1.1 64-bit2789+20
−20		(−94)7 − 3
(+6−2=2)		70.0%
7.0 / 10
100.0%
+72
–   Twisted Logic 20100131x 64-bit2778+13
−13		(−105)6 − 4
(+4−2=4)		60.0%
6.0 / 10
100.0%
−27
–   RuyDos 1.0.27 64-bit2769+20
−20		(−114)6 − 4
(+5−3=2)		60.0%
6.0 / 10
100.0%
−33
–   Bison 9.11 64-bit2759+11
−11		(−124)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
100.0%
+64
–   Marvin 2.2.0 64-bit2719+22
−22		(−164)8.5 − 1.5
(+7−0=3)		85.0%
8.5 / 10
100.0%
+95
–   Carballo 1.6 64-bit2711+21
−21		(−172)7.5 − 2.5
(+6−1=3)		75.0%
7.5 / 10
100.0%
+22
–   Shield 2.0 64-bit2710+20
−20		(−173)15 − 5
(+13−3=4)		75.0%
15.0 / 20
100.0%
+33
514 games: 174 wins, 153 losses, 187 draws (36.4%), score: 52.0%

Rating changes by day

Rating changes with played games

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