
Valverde,M (2136) - Krause,V (1683)
CiF-4er/0114 Remoteschach.de, 2008
1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.Bxf7+



8.Qxc5
Taking the Rook leads to a painful death after 8.Qxe4+, as in the Whistler see – "Whistling by the graveyard..."
8...Qxe4+ 9.Kf1 Nf6
Instead of this natural move, Rybka 3.0 suggests 9...b6. The idea is the pawn sacrifice 10.Qxc7, which would allow Black to whip up a scary attack with 10...Ba6+ 11.d3 Nf6. Black's threat of ...Bxd3+ and then ...Qxd3+ is annoying. White can try 12.Qd6, and then face 12...Rhe8 when things are quite unclear.

Passing on the pawn doesn't avoid all the danger, for example 10.Qc3 Bb7 11.f3 Qe6 12.Kf2 (White could trade a Queen for two Rooks with 12.Qxh8 Nf6 13.Qxa8 Bxa8) 12...Re8 13.Rf1 Nf6 14.d3 Qd6 15.Kg1 Re2 and even though White has castled-by-hand, the game is still unclear.
10.d3 Qe6 11.Nc3 Re8 12.Bg5 b6

13.Qd4 b5

14.Qxf6+ Qxf6 15.Bxf6 Kxf6 16.Nd5+ Black resigned

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