Loop 2007 64-bit Gauntlets (CCRL 40/40)

[Aser Huerga]

Loop 2007 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 PGN up to 8 moves (151.315 starting positions from years 1981-2009, games selected by Norm Pollock), each pair plays the same position with switched colours.
40 moves in 23 minutes repeating (adapted to the CCRL 40/40 standard)

Gauntlet I:

Code: Select all

1   Loop 2007 64-bit               -2846- 48.5/120
2   Hiarcs 12.1                     2920  18.0/24
3   Critter 0.60 64-bit             2942  16.0/24
4   Grapefruit 1.0 32-bit           2935  14.0/24
5   Bright 0.5c                     2883  12.5/24
6   Twisted Logic 20100131x 64-bit  2895  11.0/24

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

Statistics:

Code: Select all

Loop 2007 64-bit              : 120 (+ 23,= 51,- 46), 40.4 %

Critter 0.60 64-bit           :  24 (+  3,= 10,- 11), 33.3 %
Grapefruit 1.0 32-bit         :  24 (+  3,= 14,-  7), 41.7 %
Hiarcs 12.1                   :  24 (+  2,=  8,- 14), 25.0 %
Twisted Logic 20100131x 64-bit:  24 (+  7,= 12,-  5), 54.2 %
Bright 0.5c                   :  24 (+  8,=  7,-  9), 47.9 %

Games: http://kirill-kryukov.com/chess/discuss ... f=7&t=5133

[Aser Huerga]

Gauntlet II:

Code: Select all

1   Loop 2007 64-bit         -2891- 54.5/120
2   Deep Sjeng WC2008 64-bit  2943  16.5/24
3   Spark 0.3 64-bit          2944  14.5/24
4   Deep Junior 11.1a 64-bit  2934  12.5/24
5   Toga II 1.4.1SE           2933  12.0/24
6   SmarThink 1.20 64-bit     2867  10.0/24

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

Statistics:

Code: Select all

Loop 2007 64-bit              : 120 (+ 31,= 47,- 42), 45.4 %

Spark 0.3 64-bit              :  24 (+  6,=  7,- 11), 39.6 %
Deep Sjeng WC2008 64-bit      :  24 (+  2,= 11,- 11), 31.2 %
Deep Junior 11.1a 64-bit      :  24 (+  8,=  7,-  9), 47.9 %
Toga II 1.4.1SE               :  24 (+  6,= 12,-  6), 50.0 %
SmarThink 1.20 64-bit         :  24 (+  9,= 10,-  5), 58.3 %

Games: http://kirill-kryukov.com/chess/discuss ... 732#p53732

[Aser Huerga]

The Loop 2007 64-bit 1CPU version doesn't show an improvement regarding the 32-bit version (now 2880 in CCRL 40/40 1CPU), ranking 10 ELO point behind, a difference probably due to statistical margins.