Checkmate 02-14-2006

Bruno's Chess Problem: 02/14/2006

R.Lecomte, Ceskoslovenski Sach, 1954

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

White to play

Tip:

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1. Qd6! ... 2. Be5 ... 3. Qxb8#
     2... Kd8 3. Qc7#
  1... g1=Q 2. Be5 ... 3. Qc7#
     2... Qf2+ 3. Kg7 ... 4. Qc7#
        3... Kd8 4. Nf7+ Qxf7+ 5. Kxf7 ... 6. Qc7#
        3... Qg2+ 4. Kh8 ... 5. Qxb8#
           4... Qg7+,Qg8+ 5. KxQ ... 6. Qxb8#
              5... Kd8 6. Qf8#
        3... Qg1+ 4. Kh7 ... 5. Qxb8#
           4... Qg6+,Qg7+,Qg8+ 5. KxQ ... 6. Qxb8#
              5... Kd8 6. Qf8#
           4... Qb6 5. c5 ... 6. Qxb8#
              5... Kd8, Qb7 6. Qf8#
              5... Qc7 6. Qxc7#