Problem Display
PID: 1224 (2B1KbN1/3n4/1PbpkBp1/6p1/1n2p1P1/2NpP1Q1/8/8 w - - 0 1)

Lynn, David P

The Problemist Supplement, 1998

2B1KbN1/3n4/1PbpkBp1/6p1/1n2p1P1/2NpP1Q1/8/8

#4

9 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Bd4!
      • threat
        • 2.Qf2
          • threat
            • 3.Qf6#
            • 3.Qf7#
      • 1...Be7
        • 2.Qf2
          • threat
            • 3.Qf7#
          • 2...d5
            • 3.Qf7+
              • 3...Kd6
                • 4.Qxe7#
      • 1...Bg7
        • 2.Qf2
          • threat
            • 3.Qf7#
          • 2...Bxd4
            • 3.Qf7+
              • 3...Ke5
                • 4.Qe7#
            • 3.exd4
              • threat
                • 4.Qf6#
                • 4.Qf7#
          • 2...d5
            • 3.Qf7+
              • 3...Kd6
                • 4.Qe7#
      • 1...Sd5
        • 2.Qf2
          • threat
            • 3.Qf7#
          • 2...Sc7+
            • 3.bxc7
              • threat
                • 4.Qf6#
                • 4.Qf7#
          • 2...Sf4
            • 3.Sd5
              • threat
                • 4.Sc7#
              • 3...Kxd5
                • 4.Qa2#
              • 3...Bxd5
                • 4.Bxd7#
              • 3...Sxd5
                • 4.Qf7#
      • 1...Sa6
        • 2.Qf2
          • threat
            • 3.Qf6#
            • 3.Qf7#
          • 2...Sc7+
            • 3.bxc7
              • threat
                • 4.Qf6#
                • 4.Qf7#

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