Testing Nirvana Chess 1.4 x64

AnMon 5.50               2369   78,5:21,5
Bison 9.11 w32           2545   58,5:41,5
Cheng 3 v1.07 x64        2500
Equinox 0.86b x64 1CPU   2603
Fruit 090705 x64 1CPU    2707   32,5:67,5
Amyan 1.597              2303   86,5:13,5
Naraku 1.4               2632   45,5:54,5
Nebula 2.0 w32 1CPU      2467   66,0:34,0
Quazar 0.4 x64 1CPU      2745   30,0:70,0
Ruffian 1.0.5            2434   70,5:29,5
Spike 1.2 Turin 1CPU     2578   56,0:44,0
Umko 1.2 x64 1CPU        2678   35,5:64,5

559,5 out of 1000 games = 56,0% = +42 ELO / Av.Opp.ELO = 2546 + 42 = 2588

Nirvana Chess 1.4 x64 = ELO 2588 out of 1000 games (+29)
Nirvana Chess 1.3 x64 = ELO 2559 out of 1100 games