Problem Display
PID: 256406 (8/1R6/8/1R6/k7/q4NBK/8/8 w - - 0 1)

Shumarin, Vladimir Pavlovich

4th Prize, Source?, 2021

8/1R6/8/1R6/k7/q4NBK/8/8

#3

5 + 2


1232 Kudesnik 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Qc5
      • 2.Rxc5
        • 2...Ka3
          • 3.Ra5#
    • 1...Qb3
      • 2.Rxb3
        • 2...Ka5
          • 3.Ra3#
          • 3.Ra7#
  • Tries
    • 1.Be1?
      • threat
        • 2.Ra5#
      • 1...Qb4
        • 2.Rxb4+
          • 2...Ka3
            • 3.Ra7#
          • 2...Ka5
            • 3.Ra7#
      • 1...Qc5
        • 2.Rxc5
          • 2...Ka3
            • 3.Ra5#
      • 1...Qc3
        • 2.Bxc3
          • 2...Ka3
            • 3.Ra5#
            • 3.Ra7#
      • 1...Qxf3+!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Ra7#
      • 1...Qxg3+
        • 2.Kxg3
          • 2...Ka3
            • 3.Ra5#
            • 3.Ra7#
      • 1...Qb4
        • 2.Ra7+
          • 2...Qa5
            • 3.Raxa5#
      • 1...Qc5
        • 2.Rxc5
          • 2...Ka3
            • 3.Ra5#
      • 1...Qd6
        • 2.Ra7+
          • 2...Qa6
            • 3.Rxa6#
      • 1...Qe7
        • 2.Rxe7
          • 2...Ka3
            • 3.Ra7#
      • 1...Qc3
        • 2.Ra7+
          • 2...Qa5
            • 3.Raxa5#

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