Checkmate 11-23-2005

Bruno's Chess Problem: 11/23/2005

N.Rutberg, Svenska Dagbladet, 1922

Mate in 3(****)
chess problem diagram

White to play

Tip:

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

1. b7! ... 2. b8=N+ Kb5 3. a4#
  1... Kb5 2. Qc4+ Kb6 3. b8=Q#
  1... Nb6 2. b8=Q ... 3. Qxb6#
  1... a4 2. bxa8=N ... 3. Qb6#
     2... Qe3 3. Qxa4#
  1... Qc8 2. bxc8=N ... 3. Qc4#
     2... Nxc7,Nb6 3. Qb6#
     2... a4 3. Qxa4#
     2... Bxd3 3. Qxd3#