Step by Step: Calculation #32
By Mark Donlan
Step by Step: Calculation is designed to improve your visualization and calculation skills. The premise is simple: find the winning move in the first diagram and then calculate the win from the second diagram and determine how it relates to the first. On occasion follow-up questions will be asked relating to various sidelines. For best results, set the position up on the board and think for as long as you need without moving the pieces. Also, be sure to subscribe to our Daily Chess Puzzle email.
Black to move. Evaluate 14…Kg7.
[FEN “rn1qnrk1/pbpp1p2/1p2p1p1/4P1Np/2PP3P/P2B2N1/1PQ2PP1/R3K2R b KQ – 0 14”]
Ackermann,Frank (1908) – Brethauer,Sarah (1625)
6th Bad Zwesten op (2), 05.01.2002
Bogo-Indian [E11]
1.d4 Nf6 2.Nf3 e6 3.c4 Bb4+ 4.Nbd2 b6 5.a3 Be7 6.e4 0-0 7.Bd3 Bb7 8.Qc2 g6 9.e5 Ne8 10.h4 h5 11.Ne4 Ng7 12.Bg5 Bxg5 13.Nfxg5 Ne8 14.Ng3 Kg7
15.Nxh5+!! gxh5 16.Be4!! Bxe4 17.Qxe4 Rh8 18.Qxa8 1-0
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