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Subject: Tactical test position (Nxf7)

Author: Dennis Breuker

Date: 05:21:19 05/08/03


In a game I played last Tuesday, the following position occurred:

[D] r3k1nr/ppqnbpp1/2p1p2p/4Nb2/2BP4/2N5/PPPBQPPP/2KR3R w kq - bm Nxf7

Solution:
11.Nxf7 Kxf7 12.g4 Bh7 13.Qxe6+ Ke8 14.Rhe1 (other moves might work
as well). White is winning here. Black only has passive pieces,
and all White's pieces are developed.

  In the game I played first
11.g4,
  but that is wrong, since Black can play 11..Nxe5.
  Luckily, Black played
11..Bh7?,
  and after
12.Nxf7
  the variation above is reached.

  My game continued
12..Kxf7 13.Qxe6+ Ke8 14.Rhe1 Kd8 15.Qf7!
  (15.d5 also good)
15..Qd6
  (on 15..g5 there follows 16.d5 cxd5
    [16..Ne5 17.Rxe5! Qxe5 18.dxc6 Kc7 19.Nd5+ Kxc6 20.Bc3]
  17.Bxd5)
16.Re6 Qb4 17.Bb3! and Black resigned.
  (On 17..Qb6 there follows 18.d5!)

Does your engine find the move, and the right continuation?

It looks like some engines want to take on f7, but after
11..Kxf7 12.g4 Bh7 13.Qxe6+ Ke8 suddenly think it is not
as good as the engine hoped for...

It seems that Fritz(6) does not want to take on f7,
but it definitely is the winning move!

Regards,
Dennis



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