Checkmate 12-11-2005

Bruno's Chess Problem: 12/11/2005

A.Zlatanov, 1st Pr., Sahmatna Misil, 1974

Mate in 4(***)
chess problem diagram

White to play

Tip:

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

1. Ne2! ... 2. Rd4+ Kf5 3. Qd5+ Kg6 4. Nf4#
  1... Nc7 2. Qb4+ Kf3 3. Re5 ... 4. Qe4#
     2... Kxd5 3. Nf4+ Kc6 4. Ne5#
  1... Nb6 2. Qe7+ Kf3 3. Rd4 ... 4. Qe4#
     2... Kxd5 3. Ne3+ Kc6 4. Nd4#
  1... Kf3 2. Re5+ Kxg4 3. Qe4+ Kh5 4. Nxg3#
  1... Nf3 2. Qc6 ... 3. Rd4+ Kf5 4. Qf6#