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 (151.320 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)
1 Thinker 5.4d Inert 64-bit 70.0/120
2 Grapefruit 1.0 32-bit 11.5/24
3 Spark 0.3 64-bit 11.0/24
4 Hiarcs 12.1 10.0/24 700.00
5 Deep Sjeng WC2008 64-bit 10.0/24 700.00
6 Critter 0.52b 64-bit 7.5/24