Critter 0.80 64-bit 1CPU Gauntlets (CCRL 40/40)

[Aser Huerga]

Critter 0.80 64-bit 1CPU Gauntlets

Hardware: Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHzDual 3000 MHz with 4.088 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 (2.361 starting selected positions, from Norm Pollock collections), each pair plays the same position with switched colours.
40 moves in 25 minutes repeating (adapted to the CCRL 40/40 standard)

Gauntlet I:

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1   Critter 0.80 64-bit    -3057- 58.0/120
2   Rybka 4 64-bit          3178  19.5/24
3   Stockfish 1.8 64-bit    3125  13.0/24
4   Naum 4.2 64-bit         3099  12.0/24
5   Hiarcs 13.1             2981  10.0/24
6   Zappa Mexico II 64-bit  2968  7.5/24

(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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Critter 0.80 64-bit           : 120 (+ 37,= 42,- 41), 48.3 %

Rybka 4 64-bit                :  24 (+  2,=  5,- 17), 18.8 %
Stockfish 1.8 64-bit          :  24 (+  6,= 10,-  8), 45.8 %
Naum 4.2 64-bit               :  24 (+  8,=  8,-  8), 50.0 %
Hiarcs 13.1                   :  24 (+  9,= 10,-  5), 58.3 %
Zappa Mexico II 64-bit        :  24 (+ 12,=  9,-  3), 68.8 %

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

Games: http://kirill-kryukov.com/chess/discuss ... f=7&t=5309

[Aser Huerga]

Critter climbs up to position 4 from position 6 with the 0.80 64-bit version (now 3074 in CCRL 40/40 1CPU), showing an improvement of 51 ELO points regarding the 0.70 64-bit version, 24 ELO points behind Naum and 7 ELO points ahead Shredder.
http://computerchess.org.uk/ccrl/4040/c ... ons_only=1