CCRL 40/15
Downloads and Statistics
May 1, 2021
Testing summary:
Total: 1'240'737 games
played by 2'832 programs

White wins: 425'216 (34.3%)
Black wins: 312'397 (25.2%)
Draws: 503'124 (40.6%)
White score: 54.5%

Engine Details

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Show each game results
Mephisto Gideon Professional#225‑226  (2446+23
−23
)Quote
Author: Ed Schroder Link: Homepage
This is the only Mephisto version we tested.
OpponentEloDiffResultsScoreLOSPerf
–   CM10th Paralyse2654+15
−15
(+208)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+112
–   Philou 3.7.1 64-bit2651+13
−13
(+205)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   Gandalf 7 64-bit2645+18
−18
(+199)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
+48
–   ECE X3 64-bit2645+16
−16
(+199)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+116
–   DanaSah 7.32640+14
−14
(+194)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−95
–   Rodin 8.02628+15
−15
(+182)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−101
–   Rotor 0.82628+16
−17
(+182)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
+89
–   Phalanx XXV2619+15
−15
(+173)2 − 2
(+2−2=0)
50.0%
2.0 / 4
0.0%
+173
–   Monolith 0.4 64-bit2609+19
−19
(+163)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−63
–   Donna 4.0 64-bit2607+15
−15
(+161)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
0.0%
−128
–   Betsabe II 1.962593+21
−21
(+147)2 − 6
(+1−5=2)
25.0%
2.0 / 8
0.0%
−36
–   tomitankChess 1.5 64-bit2590+23
−23
(+144)0 − 3
(+0−3=0)
0.0%
0.0 / 3
0.0%
−INF
–   Drofa 2.1.0 64-bit2582+29
−29
(+136)1.5 − 4.5
(+1−4=1)
25.0%
1.5 / 6
0.0%
−59
–   Mr Bob 0.7.1 64-bit2558+28
−28
(+112)8 − 12
(+5−9=6)
40.0%
8.0 / 20
0.0%
+42
–   Velvet 1.0.0 64-bit2557+24
−24
(+111)3 − 9
(+1−7=4)
25.0%
3.0 / 12
0.0%
−59
–   Jumbo 0.7.0 64-bit2556+18
−18
(+110)3 − 7
(+1−5=4)
30.0%
3.0 / 10
0.0%
−18
–   paulchen332 0.1.1 64-bit2555+44
−44
(+109)1 − 3
(+1−3=0)
25.0%
1.0 / 4
0.0%
−123
–   Ghost 3.1 64-bit2552+15
−15
(+106)1 − 3
(+0−2=2)
25.0%
1.0 / 4
0.0%
−44
–   KnightX 1.98 64-bit2542+27
−27
(+96)2.5 − 9.5
(+1−8=3)
20.8%
2.5 / 12
0.0%
−118
–   Supernova 2.2.1 64-bit2540+29
−29
(+94)7 − 9
(+4−6=6)
43.8%
7.0 / 16
0.0%
+59
–   Maverick 1.5 64-bit2537+14
−14
(+91)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+91
–   nanoSzachy 4.1 64-bit2534+16
−16
(+88)0 − 4
(+0−4=0)
0.0%
0.0 / 4
0.0%
−INF
–   AnMon 5.662530+20
−21
(+84)3.5 − 6.5
(+2−5=3)
35.0%
3.5 / 10
0.0%
−16
–   Raven 1.10 64-bit2529+23
−23
(+83)3 − 1
(+2−0=2)
75.0%
3.0 / 4
0.0%
+232
–   Orion 0.5 64-bit2528+14
−14
(+82)4 − 6
(+1−3=6)
40.0%
4.0 / 10
0.0%
+26
–   Bagatur 1.5f 64-bit2527+18
−18
(+81)9 − 7
(+4−2=10)
56.3%
9.0 / 16
0.0%
+115
–   Bagatur 1.5e 64-bit2518+22
−22
(+72)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
0.0%
+48
–   CyberPagno 3.0 64-bit2515+14
−14
(+69)2.5 − 5.5
(+2−5=1)
31.3%
2.5 / 8
0.0%
−83
–   FrankWalter 2.3.5 64-bit2513+24
−24
(+67)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.0%
+102
–   Asymptote 0.3 64-bit2505+17
−17
(+59)4.5 − 5.5
(+3−4=3)
45.0%
4.5 / 10
0.0%
+26
–   Crafty 20.11 32-bit2502+34
−34
(+56)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
0.3%
+91
–   Delphil 3.2 64-bit2496+15
−15
(+50)2 − 2
(+1−1=2)
50.0%
2.0 / 4
0.0%
+50
–   MadChess 2.2 64-bit2494+14
−15
(+48)1.5 − 2.5
(+1−2=1)
37.5%
1.5 / 4
0.0%
−47
–   Jumbo 0.6.96 64-bit2490+18
−19
(+44)2.5 − 5.5
(+0−3=5)
31.3%
2.5 / 8
0.2%
−64
–   KnightX 1.97a 64-bit2485+27
−27
(+39)4 − 4
(+3−3=2)
50.0%
4.0 / 8
1.5%
+45
–   Drosophila 1.5.1 64-bit2479+15
−15
(+33)3 − 1
(+3−1=0)
75.0%
3.0 / 4
0.9%
+268
–   Lozza 1.18 64-bit2473+15
−15
(+27)8.5 − 11.5
(+5−8=7)
42.5%
8.5 / 20
2.9%
−21
–   WyldChess 1.2 64-bit2470+25
−26
(+24)6 − 4
(+4−2=4)
60.0%
6.0 / 10
8.7%
+83
–   Nemeton 1.812465+18
−18
(+19)8.5 − 7.5
(+5−4=7)
53.1%
8.5 / 16
10.5%
+34
–   Bumblebee 1.0 64-bit2461+20
−20
(+15)0.5 − 3.5
(+0−3=1)
12.5%
0.5 / 4
16.8%
−274
–   Nemeton 1.82460+17
−17
(+14)1 − 1
(+0−0=2)
50.0%
1.0 / 2
17.5%
+14
–   Topple 0.2.1 64-bit2459+18
−18
(+13)1 − 1
(+1−1=0)
50.0%
1.0 / 2
19.0%
+13
–   Abrok 5.02445+18
−18
(−1)4.5 − 5.5
(+4−5=1)
45.0%
4.5 / 10
53.3%
−37
–   Arasan 10.12443+27
−27
(−3)6 − 4
(+5−3=2)
60.0%
6.0 / 10
57.2%
+70
–   Bearded N44.5 64-bit2443+20
−20
(−3)2.5 − 3.5
(+1−2=3)
41.7%
2.5 / 6
58.4%
−49
–   Teki 2 64-bit2440+16
−16
(−6)4 − 8
(+1−5=6)
33.3%
4.0 / 12
67.1%
−111
–   Taltos rev118 64-bit2439+18
−18
(−7)4.5 − 3.5
(+2−1=5)
56.3%
4.5 / 8
69.6%
+29
–   Tunguska 1.1 64-bit2439+18
−18
(−7)5.5 − 8.5
(+3−6=5)
39.3%
5.5 / 14
68.2%
−72
–   King of Kings 2.562438+21
−21
(−8)1 − 1
(+1−1=0)
50.0%
1.0 / 2
70.4%
−8
–   Snitch 1.6.2 64-bit2435+21
−21
(−11)1 − 1
(+1−1=0)
50.0%
1.0 / 2
75.8%
−11
–   Cmcchess 2.6 64-bit2422+17
−17
(−24)1 − 1
(+1−1=0)
50.0%
1.0 / 2
95.6%
−24
–   Jumbo 0.4.34 64-bit2421+25
−25
(−25)5 − 5
(+4−4=2)
50.0%
5.0 / 10
92.8%
−25
–   Gaia 3.5 64-bit2417+21
−21
(−29)1.5 − 0.5
(+1−0=1)
75.0%
1.5 / 2
96.9%
+113
–   RomiChess P3n 64-bit2415+13
−13
(−31)11 − 3
(+10−2=2)
78.6%
11.0 / 14
99.1%
+202
–   Ifrit m1.8 64-bit2413+18
−18
(−33)7 − 3
(+6−2=2)
70.0%
7.0 / 10
98.8%
+113
–   Jonesy 1.0 64-bit2410+21
−21
(−36)3 − 5
(+1−3=4)
37.5%
3.0 / 8
98.9%
−109
–   Queen 4.032410+18
−18
(−36)6 − 4
(+5−3=2)
60.0%
6.0 / 10
99.3%
+37
–   Gosu 0.162403+18
−18
(−43)4 − 6
(+2−4=4)
40.0%
4.0 / 10
99.8%
−102
–   Myrddin 0.87 64-bit2397+13
−13
(−49)2 − 0
(+2−0=0)
100.0%
2.0 / 2
100.0%
+INF
–   Patzer 3.802397+19
−19
(−49)4.5 − 7.5
(+3−6=3)
37.5%
4.5 / 12
99.9%
−137
–   Popochin 4.1 64-bit2397+16
−16
(−49)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
100.0%
−17
–   Alex 2.14a 64-bit2394+18
−18
(−52)6 − 4
(+5−3=2)
60.0%
6.0 / 10
100.0%
+15
–   Zevra 2.1.2 r248 64-bit2391+20
−20
(−55)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
100.0%
−23
–   Ares GB 1.1 64-bit2390+22
−22
(−56)6 − 2
(+5−1=2)
75.0%
6.0 / 8
100.0%
+119
–   Galjoen 0.39 64-bit2388+16
−16
(−58)7 − 3
(+5−1=4)
70.0%
7.0 / 10
100.0%
+65
–   Googleplex Starthinker 1.6 64-bit2387+18
−18
(−59)4.5 − 5.5
(+2−3=5)
45.0%
4.5 / 10
100.0%
−82
–   Sage 3.532387+18
−18
(−59)5 − 5
(+4−4=2)
50.0%
5.0 / 10
100.0%
−59
–   Thor's Hammer 2.28 32-bit2383+22
−22
(−63)5 − 5
(+4−4=2)
50.0%
5.0 / 10
100.0%
−63
–   Zevra 2.1.1 r216 64-bit2381+17
−17
(−65)6.5 − 1.5
(+5−0=3)
81.3%
6.5 / 8
100.0%
+141
–   Jazz 721 64-bit2377+19
−19
(−69)7 − 3
(+5−1=4)
70.0%
7.0 / 10
100.0%
+58
–   Ceibo 0.6 64-bit2376+36
−36
(−70)6.5 − 1.5
(+6−1=1)
81.3%
6.5 / 8
99.9%
+185
–   Tytan 9.32 64-bit2369+23
−23
(−77)5.5 − 4.5
(+5−4=1)
55.0%
5.5 / 10
100.0%
−38
–   Isa 2.0.64 64-bit2364+16
−16
(−82)6 − 4
(+4−2=4)
60.0%
6.0 / 10
100.0%
−18
–   Plisk 0.2.7d 64-bit2363+19
−19
(−83)5.5 − 4.5
(+4−3=3)
55.0%
5.5 / 10
100.0%
−56
–   Gibbon 2.60a 64-bit2338+20
−20
(−108)5.5 − 4.5
(+3−2=5)
55.0%
5.5 / 10
100.0%
−72
–   EveAnn 1.712336+28
−28
(−110)8 − 2
(+6−0=4)
80.0%
8.0 / 10
100.0%
+85
–   FireFly 2.7.2 64-bit2329+16
−16
(−117)7.5 − 2.5
(+6−1=3)
75.0%
7.5 / 10
100.0%
+63
–   Asymptote 0.2.0 64-bit2315+25
−25
(−131)2 − 4
(+1−3=2)
33.3%
2.0 / 6
100.0%
−243
–   Invictus r228 64-bit2292+18
−18
(−154)3 − 3
(+2−2=2)
50.0%
3.0 / 6
100.0%
−154
–   Kingfisher 1.0 64-bit2281+28
−29
(−165)6.5 − 3.5
(+4−1=5)
65.0%
6.5 / 10
100.0%
−81

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Rating changes with played games


Created in 2005-2013 by CCRL team
Last games added on May 1, 2021