Arasan 12.1 64-bit Gauntlets (CCRL 40/40)

[Aser Huerga]

Arasan 12.1 64-bit Gauntlets

Hardware: Intel(R) Core(TM) i7 CPU 950 @ 3.07GHz8x 3074 MHz with 4.096 MB Memory
Operating system: Microsoft Windows XP 64 Bit Professional Service Pack 2 (Build 3790)
All engines 1 CPU
Arena 2.0.1 GUI
128 Hash Tables
3-4-5 EGTBs
Ponder off
Book GrandPQRS-3moves (2.360 starting selected positions, from Norm Pollock collections), each pair plays the same position with switched colours.
40 moves in 23 minutes repeating (adapted to the CCRL 40/40 standard)

Gauntlet I:

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1   Arasan 12.1 64-bit  -2657- 52.0/120
2   Amyan 1.72           2678  16.5/24
3   WildCat 8            2731  14.5/24
4   Petir 4.39           2697  13.0/24
5   N2 0.4 64-bit        2701  12.5/24
6   Sloppy 0.2.3 64-bit  2718  11.5/24

(All ELOs referred to the last Chess Computer Rating List when tournament starts, except -XXXX- one, wich is referred to performance).

Statistics:

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Arasan 12.1 64-bit            : 120 (+ 37,= 30,- 53), 43.3 %

WildCat 8                     :  24 (+  7,=  5,- 12), 39.6 %
Sloppy 0.2.3 64-bit           :  24 (+ 10,=  5,-  9), 52.1 %
N2 0.4 64-bit                 :  24 (+ 10,=  3,- 11), 47.9 %
Petir 4.39                    :  24 (+  7,=  8,-  9), 45.8 %
Amyan 1.72                    :  24 (+  3,=  9,- 12), 31.2 %

(All statistic results are from the engine tested view).

Games: http://kirill-kryukov.com/chess/discuss ... 025#p57025

[Aser Huerga]

Gauntlet II:

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1   Arasan 12.1 64-bit -2658- 60.5/120
2   SOS 5.1             2661  16.5/24
3   Alfil 8.1.1         2702  13.5/24
4   Ufim 8.02           2643  12.5/24
5   Rotor 0.5           2667  10.0/24
6   Tao 5.6             2610  7.0/24

(All ELOs referred to the last Chess Computer Rating List when tournament starts, except -XXXX- one, wich is referred to performance).

Statistics:

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Arasan 12.1 64-bit            : 120 (+ 46,= 29,- 45), 50.4 %

Alfil 8.1.1                   :  24 (+  7,=  7,- 10), 43.8 %
Rotor 0.5                     :  24 (+ 12,=  4,-  8), 58.3 %
SOS 5.1                       :  24 (+  4,=  7,- 13), 31.2 %
Ufim 8.02                     :  24 (+  9,=  5,- 10), 47.9 %
Tao 5.6                       :  24 (+ 14,=  6,-  4), 70.8 %

(All statistic results are from the engine tested view).

Games: http://kirill-kryukov.com/chess/discuss ... 223#p57223

[Aser Huerga]

More games are needed, but it seems Arasan 12.1 64-bit, with 2658 ELO points, is not an improvement regarding previous versions (Arasan 11.6 64-bit 2691).

I wish a better success to the next Arasan version!

http://www.computerchess.org.uk/ccrl/40 ... ons_only=1