Hardware: 8 x 3.2 GHz
Engine setup: 512 mb hash, same book, pb off, game in 20 minutes
.....Program..................................Elo......+.......-......Games....Score......Av.Op.....Draws
1 FireBird_10_beta_x64........: 3315....36...36......116.......53.0 %......2994.....68.1 %
2 Rybka 3..................................: 3313....37...37......114......52.6 %......2995......66.7 %
3 IvenHoe_v70_x64................: 3284....44...46........55.......47.3 %......3003.....76.4 %
4 IvanHoe_v73_x64................: 3279....35...36......115......45.7 %......3010......68.7 %
Would have run more games, but FB crashed last night while tournament was unattended. Tournament paused for the moment...
Note, FB and Ryka used 8 cpus while the IvanHoes used only 4 (max allowed).