CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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Amoeba 2.1 64-bit in CCRL 40/40, 2019-07-11
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Amoeba 2.1 64-bit has no rank with rating of 2709 Elo points (+29 -29),
based on 374 games: 109 wins, 119 losses and 146 draws
Score: 48.7%, Average opponent: +10.2, Draws: 39.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Atlas 3.80 64-bit                  2848   2.5-7.5   (+1 -6 =3 )    0.0   -37
 - Tornado 8.0 64-bit                 2842   7.5-12.5  (+5 -10=5 )    0.0   +42
 - Dirty 3Nov2015 64-bit              2837   6.0-4.0   (+4 -2 =4 )    0.0  +191
 - Onno 1.2.70 64-bit                 2833   2.5-7.5   (+1 -6 =3 )    0.0   -47
 - Murka 3 64-bit                     2824   5.0-5.0   (+3 -3 =4 )    0.0  +115
 - GNU Chess 5.60 64-bit              2810   2.0-8.0   (+0 -6 =4 )    0.0   -94
 - Scorpio 2.7.7 64-bit               2804   4.5-5.5   (+2 -3 =5 )    0.0   +63
 - Rhetoric 1.4.3 64-bit              2794   3.5-6.5   (+0 -3 =7 )    0.0    +5
 - Loop 13.6 (Loop 2007) 64-bit       2789   6.5-3.5   (+5 -2 =3 )    0.0  +179
 - The Baron 3.29 64-bit              2785   4.0-6.0   (+2 -4 =4 )    0.0   +16
 - Rodent 1.5 64-bit                  2784   1.5-8.5   (+0 -7 =3 )    0.0  -177
 - Octochess r5506 64-bit             2781   2.0-8.0   (+0 -6 =4 )    0.0  -126
 - Pawny 1.2 64-bit                   2776   4.0-6.0   (+2 -4 =4 )    0.0   +11
 - Bison 9.11 64-bit                  2755   4.0-6.0   (+3 -5 =2 )    0.3   -32
 - Carballo 1.7 64-bit                2738   2.0-2.0   (+1 -1 =2 )    4.2   +29
 - Godel 3.4.9 64-bit                 2726   4.5-5.5   (+3 -4 =3 )   14.5   -18
 - Tucano 6.00 64-bit                 2723   3.5-6.5   (+1 -4 =5 )   19.9   -77
 - ProDeo 2.2                         2722   3.5-6.5   (+2 -5 =3 )   22.4   -87
 - Carballo 1.6 64-bit                2709   6.0-4.0   (+5 -3 =2 )   50.5   +80
 - Chessmaster 11 Aiglos II           2700   5.5-4.5   (+3 -2 =5 )   68.8   +26
 - Zurichess Graubuenden 64-bit       2689   3.5-6.5   (+2 -5 =3 )   85.3  -115
 - Cheese 1.8 64-bit                  2683   2.5-1.5   (+1 -0 =3 )   92.8   +41
 - Cheese 1.7 64-bit                  2678   6.5-3.5   (+5 -2 =3 )   95.6   +69
 - MinkoChess 0.8 32-bit              2673   3.5-6.5   (+1 -4 =5 )   94.6  -122
 - Arminius 2017-01-01 64-bit         2672   7.0-7.0   (+4 -4 =6 )   98.6   -37
 - RedQueen 1.1.98 64-bit             2667   4.0-0.0   (+4 -0 =0 )   99.2  +INF
 - Djinn 1.021 64-bit                 2667   5.5-4.5   (+2 -1 =7 )   99.5   -14
 - Floyd 0.9 64-bit                   2657   9.0-5.0   (+7 -3 =4 )   99.9   +46
 - Philou 3.7.1 64-bit                2651   5.0-5.0   (+3 -3 =4 )  100.0   -58
 - Sjakk 2.2 64-bit                   2633   6.5-3.5   (+4 -1 =5 )  100.0    +7
 - Rodin 8.0                          2627   2.5-1.5   (+2 -1 =1 )  100.0   +10
 - NoraGrace 2.0 64-bit               2624   5.0-5.0   (+3 -3 =4 )  100.0   -85
 - Nebula 2.0 64-bit                  2622   6.0-4.0   (+3 -1 =6 )  100.0   -31
 - Ethereal 8.02 64-bit               2619   6.5-3.5   (+5 -2 =3 )  100.0   +10
 - Phalanx XXV                        2618   3.5-0.5   (+3 -0 =1 )  100.0  +197
 - Ethereal 8.12 64-bit               2610   7.0-3.0   (+5 -1 =4 )  100.0   +24
 - GreKo 2015 64-bit                  2608   7.0-3.0   (+5 -1 =4 )  100.0   +30
 - Donna 4.0 64-bit                   2605   3.0-1.0   (+2 -0 =2 )  100.0   +52
 - DanaSah 6.50                       2604   2.0-2.0   (+1 -1 =2 )  100.0  -115
 - K2 0.87                            2582   3.5-0.5   (+3 -0 =1 )  100.0  +161
 - Jellyfish 1.1 64-bit               2579   2.5-1.5   (+1 -0 =3 )  100.0   -70


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019