Checkmate 05-11-2003

Bruno's Chess Problem: 05/11/2003

P.Blake, 2nd Pr., Westminster Gazette, 1919

Mate in 4(***)
chess problem diagram

White to play

Tip:

Level : * (very easy) to ****** (very hard)

1. Nxf6! ... 2. Qe4+ Kxf6 3. Qxe6+ Kg5 4. h4#
  1... Kxd4 2. Qe4+ Kc3 3. Qc2+ Kd4 4. Qb2#
  1... Nxf6 2. Nf3+ Kf5 3. Bd3+ Ne4 4. Qf7#
  1... Nac7, Nc5 2. Qf3 ... 3. Nc6#
     2... Kxd4 3. Qxe3+ Kxe3 4. Bc5#
  1... Kxf6 2. Qe7+
     2... Kg6 3. Bd3+ ... 4. Qh4#
     2... Ke5 3. Nf3+
        3... Kd5 4. Qb7#
        3... Kf5 4. Bd3#
        3... Ke4 4. Qxe6#
  1... Bxd4 2. Nd7+ Kf5 3. Qf3+ ... 4. Qh5#
  1... Nec7, Nd6 2. Nd7+ Kxd4 3. Bxg7+ e5 4. Bxe5#