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Spassky Fireworks

Spassky Fireworks

Aug 15, 2015, 7:53 PM 0

Boris Spassky's talents are underappreciated. I came across a position of his that I found truly deep. Even after seeing the solution, I was bewildered why it works.


Can you solve?

Blokh Combinational Motives: Diagram 727, Difficulty 8, White to Move 



Why does this work?
On first instincts, after 1. Qh7+ Kf8 White would like to follow up with Nce6. However, this square is guarded 4 times.
The idea behind 1. Bd3 is to remove a defender of e6
If 1. Bd3 Bxd3 2. Qh7+ Kf8 3. Nce6+ (now that e6 is not defended by the Bishop) fe 4. de. The f-file is open and the Bishop is pinned the Queen such that Rxd3 followed by Rf3+ is deadly
If 1. Bd3 Qxc5 2. Bxf5 gf. The f7 square is the target and White coordinates with tempo after 3. Qh7+ Kf8 4. Qh5 and Qxf7 can't be stopped
If 1. Bd3 Qxc5 2. Bxf5 Nxd5 3. Qh7+ Kf8 4. Be6! taking advantage of a royal fork at e6 and pressure at f7/g8

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