Problem Display
PID: 166803 (8/3P4/8/1k6/1n1K3Q/1R6/1P6/8 w - - 0 1)

Genenncher, Frank

3rd Prize, Schach, 1985

8/3P4/8/1k6/1n1K3Q/1R6/1P6/8

#3

5 + 2


23 Die Schwalbe 2017

SOLUTION


  • SOUND
  • Tries
    • 1.Rxb4+?
      • 1...Ka5
        • 2.Qe1
          • 2...Ka6
            • 3.Qa1#
      • 1...Ka6
        • 2.Qg3
          • threat
            • 3.Qa3#
          • 2...Ka5
            • 3.Qa3#
          • 2...Ka7
            • 3.Qa3#
        • 2.Qg5
          • 2...Ka7
            • 3.Qa5#
        • 2.Qd8
          • 2...Ka7
            • 3.Qa5#
        • 2.Qh3
          • threat
            • 3.Qa3#
          • 2...Ka5
            • 3.Qa3#
          • 2...Ka7
            • 3.Qa3#
        • 2.Qh5
          • 2...Ka7
            • 3.Qa5#
        • 2.d8Q
          • 2...Ka7
            • 3.Qa5#
      • 1...Kc6
        • 2.Qd8
          • 2...Kd6
            • 3.Rb6#
      • 1...Kxb4!
    • 1.Qf6?
      • 1...Ka4
        • 2.Kc4
          • threat
            • 3.Ra3#
          • 2...Ka5
            • 3.Ra3#
          • 2...Sc2
            • 3.Qa6#
      • 1...Ka5!
    • 1.Qh6?
      • 1...Ka4
        • 2.Kc4
          • threat
            • 3.Ra3#
          • 2...Ka5
            • 3.Ra3#
          • 2...Sc2
            • 3.Qa6#
      • 1...Ka5!
    • 1.d8Q?
      • 1...Ka4
        • 2.Kc4
          • threat
            • 3.Ra3#
            • 3.Rxb4#
          • 2...Sc2
            • 3.Qa8#
      • 1...Ka6
        • 2.Rxb4
          • 2...Ka7
            • 3.Qa5#
      • 1...Kc6!
  • Keys
    • 1.Qd8!
      • 1...Ka4
        • 2.Kc4
          • threat
            • 3.Ra3#
            • 3.Rxb4#
          • 2...Sc2
            • 3.Qa8#
      • 1...Ka6
        • 2.Rxb4
          • 2...Ka7
            • 3.Qa5#
      • 1...Kc6
        • 2.Rxb4
          • 2...Kd6
            • 3.Rb6#

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