[d]rnbqkbnr/1pp2ppp/p7/1N2p3/3p4/4PN2/PPPP1PPP/R1BQKB1R w KQkq - 0 5
Rybka 232a requires depth 13 to abstain from 5.Nxe5:
Analysis by Rybka 2.3.2a 32-bit (D945 3.4 GHz):
5.Nxe5 axb5 6.Bxb5+ Nd7 7.exd4 c6 8.Be2 Be7 9.0-0 Ngf6 10.Bd3 0-0
+/= (0.36) Depth: 5 00:00:00
=/+ (-0.37) Depth: 13 00:00:40 2468kN
5.Na3 Nc6 6.Nc4 dxe3 7.dxe3 Qxd1+ 8.Kxd1 f6 9.Bd3 Be6 10.e4 Nb4 11.b3 Nxd3
= (-0.18) Depth: 13 00:01:07 4019kN
=/+ (-0.27) Depth: 15 00:01:42 6024kN
2.Nf3 seemd very unsolid already (not expecting the natural d5-d4). I restarted Fritz to see if I can reproduce it. I let Rybka play 1.Nc3 at depth 13 and replied d5 immediatly:
Analysis by Rybka 2.3.2a 32-bit :
2.Nf3 Nf6 3.d4 Nc6 4.g3 g6 5.Bg2 Bg7 6.0-0 0-0 7.Ne5 Ng4 8.Nxc6 bxc6
= (0.13) Depth: 9 00:00:00 0kN
= (0.04) Depth: 18 00:03:36 11988kN
Doesn't expect 2...d4.
Kasparov on Morozevich
Moderator: Ras