Checkmate 09-22-2006

Bruno's Chess Problem: 09/22/2006

M.Pavlov (2 solutions), 1800 Magyar Sakkelet 12, 1954

Mate in 4(****)
chess problem diagram

White to play

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1. Bd1! ... 2. Nf2+ Ke3 3. Qf4#
  1... Ke3 2. Qb4 ... 3. Qc3+ Ke4 4. Bf3#
     2... Kd3 3. Nf2+ Ke3 4. Qf4#

1. g5!
  1... Ke3 2. Bd1
     2... Ke4 3. Nf2+ Ke3 4. Qf4#
        3... Kf5 4. Qf6#
  1... Kf3 2. Qf4+ Ke2 3. Bc2 ... 4. Qf2#
     2... Kg2 3. Qf2+ Kxh3 4. Bd7#
        3... Kh1 4. Qg1#
  1... Kf5 2. Nf2 ... 3. Qf6, Qd5#
     2... Kxg5 3. Qf4+ Kh5 4. Qh4#