Problem Display
PID: 20773 (8/K1p5/2Pp2p1/3Ppkrb/1p2N1p1/pP1Q2P1/2PP2P1/5B2 w - - 0 1)

Diot, Roger

Drumare, Pierre

1st Prize, Europe Echecs, 1972

8/K1p5/2Pp2p1/3Ppkrb/1p2N1p1/pP1Q2P1/2PP2P1/5B2

#5

11 + 10


3753 FIDE Album (1971-1973) 1978

SOLUTION


  • SOUND
  • Keys
    • 1.Qa6!
      • threat
        • 2.Bd3
          • 2...a2
            • 3.Qc8#
        • 2.d3
          • 2...a2
            • 3.Qc8#
      • 1...a2
        • 2.Bb5
          • 2...a1Q
            • 3.Qxa1
              • 3...Kxe4
                • 4.Qf1
                  • threat
                    • 5.Qd3#
                  • 4...Kd4
                    • 5.Qc4#
                  • 4...Kxd5
                    • 5.Qc4#
          • 2...a1B
            • 3.Qxa1
              • 3...Kxe4
                • 4.Qf1
                  • threat
                    • 5.Qd3#
                  • 4...Kd4
                    • 5.Qc4#
                  • 4...Kxd5
                    • 5.Qc4#
            • 3.Ka8
              • threat
                • 4.Bd3
                  • threat
                    • 5.Qc8#
                • 4.d3
                  • threat
                    • 5.Qc8#
              • 3...Kxe4
                • 4.Bd3+
                  • 4...Kd4
                    • 5.Qc4#
                  • 4...Kxd5
                    • 5.Qc4#
            • 3.Bd3
              • threat
                • 4.Qc8#
              • 3...Bd4+
                • 4.Ka8
                  • threat
                    • 5.Qc8#
            • 3.d3
              • threat
                • 4.Qc8#
              • 3...Bd4+
                • 4.Ka8
                  • threat
                    • 5.Qc8#
          • 2...a1R
            • 3.Qxa1
              • 3...Kxe4
                • 4.Qf1
                  • threat
                    • 5.Qd3#
                  • 4...Kd4
                    • 5.Qc4#
                  • 4...Kxd5
                    • 5.Qc4#

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