Problem Display
PID: 250499 (3k1B2/NpNr1pp1/5RQ1/8/np1R4/b6b/8/6K1 w - - 0 1)

Knotek, Ladislav

Computer Test FIDE Albums, 1993

3k1B2/NpNr1pp1/5RQ1/8/np1R4/b6b/8/6K1

#3

7 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Kxc7
      • 2.Qg3+
        • 2...Kd8
          • 3.Qb8#
        • 2...Rd6
          • 3.Qxd6#
  • Tries
    • 1.Be7+?
      • 1...Kxc7
        • 2.Qg3+
          • 2...Rd6
            • 3.Qxd6#
      • 1...Kxe7!
    • 1.Rxd7+?
      • 1...Kxd7
        • 2.Rxf7+
          • 2...Kd8
            • 3.Qg5#
        • 2.Qd3+
          • 2...Kxc7
            • 3.Qd6#
        • 2.Qxf7+
          • 2...Kd8
            • 3.Qe7#
      • 1...Bxd7!
  • Keys
    • 1.Rxf7!
      • threat
        • 2.Rfxd7+
          • 2...Bxd7
            • 3.Se6#
      • 1...Kxc7
        • 2.Qd6+
          • 2...Kd8
            • 3.Qb8#
      • 1...Bg4
        • 2.Rfxd7+
          • 2...Bxd7
            • 3.Se6#
      • 1...Bf5
        • 2.Rfxd7+
          • 2...Bxd7
            • 3.Se6#
      • 1...Be6
        • 2.Sxe6+
          • 2...Ke8
            • 3.Rfxd7#
            • 3.Re7#
        • 2.Rfxd7+
          • 2...Bxd7
            • 3.Se6#
      • 1...Sc5
        • 2.Qg3
          • threat
            • 3.Be7#
          • 2...Rxd4
            • 3.Qg5#
          • 2...Rd5
            • 3.Qg5#
          • 2...Rd6
            • 3.Qg5#
      • 1...Sb6
        • 2.Qg5+
          • 2...Kxc7
            • 3.Bd6#

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