Checkmate 07-01-2002

Bruno's Chess Problem: 07/01/2002

O.Wurzburg, Prager Presse, 1921

Mate in 6(*****)
chess problem diagram

White to play

Tip:

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

1. Qb8!
  1... c5 2. Qb7
     2... c4 3. Qb6 c3 4. bxc3 ... 5. Qb4#
           4... Ka3 5. Qb1 Ka4 6. Qb4#
     2... Ka5 3. b3 c4 4. bxc4 ... 5. Qb5#
           4... Ka4 5. Qb2 Ka5 6. Qb5#
  1... Ka5 2. b3
     2... c5 3. Qb7 c4 4. bxc4 ... 5. Qb5#
           4... Ka4 5. Qb2 Ka5 6. Qb5#
     2... Ka6 3. b4 c5 4. bxc5 ... 5. Qb6#
           4... Ka5 5. Qb3 Ka6 6. Qb6#