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

Options
Show each game results
Scorpio 2.7.7 64-bit (2803+16
−16
)Quote
Author: Daniel Shawul (Ethiopia) Link: WBEC
This is one of the 32 Scorpio versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Alfil 15.8 64-bit2962+16
−17
(+159)1 − 9
(+0−8=2)
10.0%
1.0 / 10
0.0%
−168
–   Rodent III 0.210 64-bit2936+19
−19
(+133)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
0.0%
+256
–   Wasp 2.01 64-bit2924+20
−20
(+121)7 − 13
(+3−9=8)
35.0%
7.0 / 20
0.0%
+27
–   Bobcat 8.0 64-bit2922+13
−13
(+119)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Arasan 19.1 64-bit2920+22
−22
(+117)2 − 8
(+1−7=2)
20.0%
2.0 / 10
0.0%
−115
–   ChessBrainVB 3.312914+25
−25
(+111)1.5 − 4.5
(+0−3=3)
25.0%
1.5 / 6
0.0%
−41
–   Rodent II 0.9.64 64-bit2914+22
−22
(+111)1.5 − 8.5
(+0−7=3)
15.0%
1.5 / 10
0.0%
−139
–   Amoeba 2.6 64-bit2910+20
−20
(+107)4 − 4
(+1−1=6)
50.0%
4.0 / 8
0.0%
+107
–   Rodent III 0.172 64-bit2908+22
−22
(+105)6 − 10
(+2−6=8)
37.5%
6.0 / 16
0.0%
+33
–   Deep Junior 13.3 32-bit2907+14
−15
(+104)5 − 5
(+2−2=6)
50.0%
5.0 / 10
0.0%
+107
–   Wasp 1.25 64-bit2907+22
−22
(+104)3.5 − 10.5
(+0−7=7)
25.0%
3.5 / 14
0.0%
−45
–   Quazar 0.4 64-bit2904+10
−10
(+101)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−42
–   Nemorino 1.02 64-bit2903+23
−23
(+100)2 − 8
(+0−6=4)
20.0%
2.0 / 10
0.0%
−98
–   Hiarcs 13.22894+11
−10
(+91)4 − 6
(+0−2=8)
40.0%
4.0 / 10
0.0%
+38
–   EXchess 7.97b 64-bit2892+13
−13
(+89)9 − 15
(+3−9=12)
37.5%
9.0 / 24
0.0%
+14
–   Deuterium 14.3.34.130 64-bit2890+12
−12
(+87)1 − 1
(+1−1=0)
50.0%
1.0 / 2
0.0%
+87
–   Demolito 2017-08-26 64-bit2889+20
−20
(+86)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−94
–   Gull 1.0a 32-bit2884+12
−12
(+81)4.5 − 5.5
(+1−2=7)
45.0%
4.5 / 10
0.0%
+53
–   Quazar 0.4 32-bit2878+12
−12
(+75)5.5 − 4.5
(+2−1=7)
55.0%
5.5 / 10
0.0%
+99
–   Protector 1.4.0 32-bit2877+11
−11
(+74)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−53
–   Bobcat 7.6 64-bit2875+22
−22
(+72)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   ChessBrainVB 3.202872+25
−25
(+69)3.5 − 10.5
(+0−7=7)
25.0%
3.5 / 14
0.0%
−79
–   Amoeba 2.5 64-bit2871+23
−23
(+68)7 − 15
(+3−11=8)
31.8%
7.0 / 22
0.0%
−53
–   EXchess 7.88b 64-bit2869+25
−25
(+66)5.5 − 8.5
(+2−5=7)
39.3%
5.5 / 14
0.0%
+3
–   Hannibal 1.1 32-bit2869+13
−13
(+66)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+37
–   Rodent II 0.9.33 64-bit2867+27
−27
(+64)1.5 − 3.5
(+1−3=1)
30.0%
1.5 / 5
0.0%
−81
–   Laser 1.2 64-bit2867+23
−23
(+64)6.5 − 7.5
(+5−6=3)
46.4%
6.5 / 14
0.0%
+36
–   Thinker 5.4d Inert 64-bit2863+15
−15
(+60)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−97
–   Spark 1.0 32-bit2863+11
−11
(+60)3 − 7
(+0−4=6)
30.0%
3.0 / 10
0.0%
−51
–   Crafty 25.0 64-bit2862+20
−20
(+59)0 − 1
(+0−1=0)
0.0%
0.0 / 1
0.0%
−INF
–   Arasan 18.0 64-bit2859+26
−26
(+56)0.5 − 1.5
(+0−1=1)
25.0%
0.5 / 2
0.0%
−86
–   Gaviota 1.0 64-bit2858+11
−11
(+55)2 − 3
(+1−2=2)
40.0%
2.0 / 5
0.0%
+3
–   Dirty 30Apr2017 64-bit2855+15
−15
(+52)9.5 − 14.5
(+3−8=13)
39.6%
9.5 / 24
0.0%
−8
–   EXchess 7.92b 64-bit2853+22
−22
(+50)6.5 − 8.5
(+3−5=7)
43.3%
6.5 / 15
0.0%
+12
–   Zappa Mexico II 64-bit2852+10
−10
(+49)3 − 2
(+1−0=4)
60.0%
3.0 / 5
0.0%
+108
–   EXchess 7.71b 64-bit2851+21
−22
(+48)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−75
–   MinkoChess 1.3 64-bit2851+14
−14
(+48)1.5 − 3.5
(+1−3=1)
30.0%
1.5 / 5
0.0%
−102
–   Rodent 1.7 64-bit2850+19
−19
(+47)6 − 6
(+4−4=4)
50.0%
6.0 / 12
0.0%
+54
–   Toga II 3.02849+15
−16
(+46)3 − 1
(+2−0=2)
75.0%
3.0 / 4
0.0%
+203
–   DisasterArea 1.65 64-bit2847+13
−13
(+44)7.5 − 12.5
(+3−8=9)
37.5%
7.5 / 20
0.0%
−37
–   Atlas 3.80 64-bit2846+14
−14
(+43)8.5 − 14.5
(+4−10=9)
37.0%
8.5 / 23
0.0%
−39
–   Nemo 1.0.1 64-bit2846+12
−12
(+43)1.5 − 1.5
(+1−1=1)
50.0%
1.5 / 3
0.0%
+57
–   Bobcat 7.1 64-bit2846+25
−25
(+43)9 − 9
(+5−5=8)
50.0%
9.0 / 18
0.2%
+38
–   Defenchess 1.0 64-bit2845+28
−28
(+42)2.5 − 7.5
(+1−6=3)
25.0%
2.5 / 10
0.5%
−129
–   Booot 5.1.02843+10
−10
(+40)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+12
–   Tornado 8.0 64-bit2842+13
−13
(+39)13.5 − 12.5
(+9−8=9)
51.9%
13.5 / 26
0.0%
+52
–   Demolito 2017-06-18 64-bit2842+25
−25
(+39)7 − 9
(+3−5=8)
43.8%
7.0 / 16
0.5%
−2
–   Wasp 1.02 64-bit2840+28
−28
(+37)6 − 5
(+3−2=6)
54.5%
6.0 / 11
1.2%
+75
–   Dirty 3Nov2015 64-bit2836+17
−17
(+33)13.5 − 23.5
(+5−15=17)
36.5%
13.5 / 37
0.2%
−52
–   Pedone 1.3 64-bit2834+23
−23
(+31)13.5 − 10.5
(+8−5=11)
56.3%
13.5 / 24
1.3%
+68
–   Onno 1.2.70 64-bit2834+16
−16
(+31)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
0.4%
−36
–   Zurichess Neuchatel 64-bit2829+12
−12
(+26)7 − 5
(+4−2=6)
58.3%
7.0 / 12
0.5%
+78
–   DisasterArea 1.54 64-bit2826+18
−18
(+23)14.5 − 21.5
(+7−14=15)
40.3%
14.5 / 36
2.8%
−39
–   Pedone 1.2 64-bit2824+26
−26
(+21)9 − 7
(+5−3=8)
56.3%
9.0 / 16
8.4%
+55
–   Murka 3 64-bit2822+12
−12
(+19)2 − 3
(+1−2=2)
40.0%
2.0 / 5
3.0%
−31
–   ChessBrainVB 3.032821+25
−25
(+18)8.5 − 5.5
(+6−3=5)
60.7%
8.5 / 14
12.6%
+89
–   Onno 1.0 64-bit2817+17
−17
(+14)3 − 7
(+1−5=4)
30.0%
3.0 / 10
12.6%
−113
–   Tornado 7.0 64-bit2816+19
−19
(+13)24 − 19
(+17−12=14)
55.8%
24.0 / 43
15.9%
+50
–   Amoeba 2.4 64-bit2810+26
−26
(+7)9 − 5
(+4−0=10)
64.3%
9.0 / 14
33.1%
+81
–   Rodent II 0.8.7 64-bit2808+27
−27
(+5)5 − 5
(+3−3=4)
50.0%
5.0 / 10
38.0%
+9
–   Dirty 10Apr2015 64-bit2805+24
−24
(+2)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
46.9%
−50
–   TheMadPrune 1.1.252804+24
−24
(+1)2 − 0
(+2−0=0)
100.0%
2.0 / 2
48.8%
+INF
–   Crafty 24.1 64-bit2802+22
−22
(−1)6.5 − 1.5
(+5−0=3)
81.3%
6.5 / 8
54.2%
+205
–   GnuCheese 1.00 64-bit2793+16
−16
(−10)26 − 26
(+15−15=22)
50.0%
26.0 / 52
82.6%
−12
–   Rhetoric 1.4.3 64-bit2792+12
−12
(−11)31.5 − 19.5
(+25−13=13)
61.8%
31.5 / 51
87.2%
+73
–   Zurichess Luzern 64-bit2791+24
−24
(−12)9 − 14
(+7−12=4)
39.1%
9.0 / 23
80.1%
−92
–   Loop 13.6 (Loop 2007) 64-bit2789+16
−16
(−14)1.5 − 2.5
(+0−1=3)
37.5%
1.5 / 4
90.7%
−81
–   Zappa Mexico 32-bit2788+17
−17
(−15)3 − 7
(+0−4=6)
30.0%
3.0 / 10
90.8%
−126
–   Bobcat 6.4b 64-bit2786+24
−24
(−17)4 − 3
(+2−1=4)
57.1%
4.0 / 7
88.1%
+20
–   Rybka 1.0 32-bit2786+14
−14
(−17)6 − 4
(+3−1=6)
60.0%
6.0 / 10
95.0%
+41
–   The Baron 3.29 64-bit2784+18
−18
(−19)11 − 9
(+6−4=10)
55.0%
11.0 / 20
94.8%
+8
–   Rodent 1.5 64-bit2783+21
−21
(−20)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
93.6%
+7
–   Octochess r5506 64-bit2783+15
−15
(−20)7 − 5
(+5−3=4)
58.3%
7.0 / 12
96.9%
+38
–   Pawny 1.2 64-bit2778+13
−13
(−25)19 − 17
(+13−11=12)
52.8%
19.0 / 36
99.3%
−3
–   Rhetoric 1.4.1 64-bit2775+17
−18
(−28)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
99.2%
−7
–   Naraku 1.42774+16
−16
(−29)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.6%
−29
–   Frenzee 3.5.19 64-bit2772+14
−14
(−31)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.8%
−31
–   Octochess r5190 64-bit2771+15
−14
(−32)1 − 1
(+1−1=0)
50.0%
1.0 / 2
99.9%
−32
–   Twisted Logic 20100131x 64-bit2770+16
−16
(−33)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
99.9%
+49
–   Zurichess Jura 64-bit2764+25
−25
(−39)9.5 − 6.5
(+7−4=5)
59.4%
9.5 / 16
99.6%
+28
–   Loop 12.322761+22
−22
(−42)4 − 6
(+2−4=4)
40.0%
4.0 / 10
99.9%
−104
–   BugChess2 1.9 64-bit2759+13
−13
(−44)8.5 − 3.5
(+7−2=3)
70.8%
8.5 / 12
100.0%
+104
–   Bison 9.11 64-bit2755+13
−13
(−48)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Laser 1.1 64-bit2752+27
−27
(−51)3.5 − 4.5
(+2−3=3)
43.8%
3.5 / 8
99.9%
−88
–   chess22k 1.5 64-bit2749+25
−25
(−54)1 − 1
(+1−1=0)
50.0%
1.0 / 2
100.0%
−54
–   Carballo 1.7 64-bit2736+14
−14
(−67)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−67
–   Toga II 1.2 32-bit2734+25
−25
(−69)7.5 − 2.5
(+5−0=5)
75.0%
7.5 / 10
100.0%
+85
–   Laser 1.0 64-bit2733+26
−26
(−70)4 − 4
(+2−2=4)
50.0%
4.0 / 8
100.0%
−70
–   Godel 3.4.9 64-bit2726+14
−14
(−77)7 − 7
(+4−4=6)
50.0%
7.0 / 14
100.0%
−77
–   Tucano 6.00 64-bit2723+16
−16
(−80)19 − 15
(+12−8=14)
55.9%
19.0 / 34
100.0%
−44
–   ProDeo 2.22720+17
−16
(−83)5.5 − 2.5
(+4−1=3)
68.8%
5.5 / 8
100.0%
+40
–   Amoeba 2.0 64-bit2720+26
−26
(−83)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+74
–   Amoeba 2.1 64-bit2709+29
−29
(−94)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
100.0%
−62
–   Amoeba 1.4 64-bit2708+26
−26
(−95)3 − 1
(+2−0=2)
75.0%
3.0 / 4
100.0%
+47
–   Dirty 23Mar2012 64-bit2702+31
−31
(−101)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
100.0%
+70
–   Pawny 1.1 64-bit2701+21
−21
(−102)10 − 4
(+7−1=6)
71.4%
10.0 / 14
100.0%
+28
–   Chessmaster 11 Archangel2701+19
−19
(−102)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−49
–   Zurichess Graubuenden 64-bit2689+25
−24
(−114)2.5 − 1.5
(+2−1=1)
62.5%
2.5 / 4
100.0%
−21
–   Amoeba 1.3 64-bit2687+32
−32
(−116)2 − 2
(+1−1=2)
50.0%
2.0 / 4
100.0%
−116
–   Tornado 4.87a 32-bit2685+33
−33
(−118)6 − 4
(+3−1=6)
60.0%
6.0 / 10
100.0%
−62
–   Cheese 1.8 64-bit2683+20
−20
(−120)6 − 2
(+4−0=4)
75.0%
6.0 / 8
100.0%
+26
–   WyldChess 1.51 64-bit2682+15
−15
(−121)7 − 3
(+4−0=6)
70.0%
7.0 / 10
100.0%
−12
–   ProDeo 2.02681+21
−21
(−122)5 − 3
(+4−2=2)
62.5%
5.0 / 8
100.0%
−32
–   Cheese 1.7 64-bit2678+22
−21
(−125)7 − 3
(+5−1=4)
70.0%
7.0 / 10
100.0%
−1
–   ChessBrainVB 2.052668+23
−23
(−135)3 − 5
(+2−4=2)
37.5%
3.0 / 8
100.0%
−224
–   Djinn 1.021 64-bit2667+13
−13
(−136)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+147
–   RedQueen 1.1.98 64-bit2663+16
−16
(−140)3 − 1
(+3−1=0)
75.0%
3.0 / 4
100.0%
+87
–   Floyd 0.9 64-bit2657+14
−14
(−146)2 − 2
(+2−2=0)
50.0%
2.0 / 4
100.0%
−146
–   Rodin 8.02627+15
−15
(−176)3.5 − 0.5
(+3−0=1)
87.5%
3.5 / 4
100.0%
+114
–   NoraGrace 2.0 64-bit2623+15
−15
(−180)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
−3

Rating changes by day

Rating changes with played games


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