Checkmate 03-11-2003

Bruno's Chess Problem: 03/11/2003

P.Blake, 2nd Pr., Westminster Gazette, 1917

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

White to play

Tip:

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

1. Nh6! ... 2. Ba2+ Kd4 3. Ng4 ... 4. Qb4#
  1... e6 2. Ba2+ Kd4 3. Ng4 ... 4. Qb4#
        3... Bxc5 4. Qd2#
  1... Bxh6 2. Na6 ... 3. Qc5+ Kb3 4. Qb4#
  1... Kd4 2. Ne6+
     2... Kc4 3. Bc2 ... 4. Qc5#
     2... Ke3 3. Qe1+ Kf3 4. Bxe4#
   1... Kd5 2. Nxe4+ Kc4 3. Nd2+ Kd4 4. Nf5#
  1... e3 2. Ba2+ Kd4 3. Qb4+ Ke5 4. Nd7#
  1... Nf6 2. Ba2+ Kd4 3. Nf5+ Ke5 4. Nd3#
  1... Nf4 2. Ba2+ Kd4 3. Nf5+ Ke5 4. Nd7#
  1... Nf2, Bg2, Bf3 2. Nf5 ... 3. Ba2#
     2... Kd5 3. Nxe4+
        3... Kc4 4. Nd2#
        3... Kc6 4. Qc5, Nd4#
        3... Ke6 4. Ba2#
     2... Bd1 3. Ba2+ Bb3 4. Bxb3#