Problem Display
PID: 225915 (6nQ/p2p1p2/k2P1rr1/2P3pn/1P3P2/1K2N3/4P3/7B w - - 0 1)

Sheldon, Alfred King

British Chess Magazine, 1930

6nQ/p2p1p2/k2P1rr1/2P3pn/1P3P2/1K2N3/4P3/7B

#3

9 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Kb5
      • 2.Sd5
        • threat
          • 3.Sc7#
        • 2...Ka6
          • 3.Sc7#
        • 2...Kc6
          • 3.Sc3#
          • 3.Sc7#
    • 1...Rxf4
      • 2.Qa1+
        • 2...Kb5
          • 3.Qa4#
          • 3.Qa5#
    • 1...Rf5
      • 2.Qa1+
        • 2...Kb5
          • 3.Qa4#
          • 3.Qa5#
    • 1...Rxd6
      • 2.Qa1+
        • 2...Kb5
          • 3.Qa4#
          • 3.Qa5#
    • 1...Re6
      • 2.Qa1+
        • 2...Kb5
          • 3.Qa4#
          • 3.Qa5#
    • 1...Sh6
      • 2.Ka4
        • threat
          • 3.Qc8#
          • 3.b5#
      • 2.Sd5
        • threat
          • 3.Sc7#
        • 2...Kb5
          • 3.Sc7#
        • 2...Kb7
          • 3.Sc7#
      • 2.Qa8
        • threat
          • 3.Qb7#
        • 2...Kb5
          • 3.Qb7#
      • 2.Qb8
        • threat
          • 3.Qb7#
      • 2.Qc8+
        • 2...Kb5
          • 3.Qb7#
      • 2.Qd8
        • threat
          • 3.Qa5#
        • 2...Kb5
          • 3.Qa5#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Sc7#
      • 1...Kb5
        • 2.Sc7#
      • 1...Kb7!
    • 1.Bc6?
      • threat
        • 2.b5+
          • 2...Ka5
            • 3.Sc4#
      • 1...Se7
        • 2.b5+
          • 2...Ka5
            • 3.Sc4#
            • 3.Qd8#
      • 1...dxc6!
    • 1.Bb7+?
      • 1...Kb5
        • 2.Sd1
          • threat
            • 3.Sc3#
        • 2.Sc2
          • threat
            • 3.Sa3#
            • 3.Sd4#
        • 2.Sc4
          • threat
            • 3.Sa3#
        • 2.Sd5
          • threat
            • 3.Sc3#
            • 3.Sc7#
      • 1...Kxb7!
  • Keys
    • 1.Ba8!
      • threat
        • 2.Sd5
          • threat
            • 3.Sc7#
          • 2...Kb5
            • 3.Sc7#
      • 1...Kb5
        • 2.Sd5
          • threat
            • 3.Sc7#
          • 2...Ka6
            • 3.Sc7#
      • 1...Rxf4
        • 2.Qa1+
          • 2...Kb5
            • 3.Qa4#
            • 3.Qa5#
      • 1...Rxd6
        • 2.Qa1+
          • 2...Kb5
            • 3.Qa4#
            • 3.Qa5#
      • 1...Sxf4
        • 2.Ka4
          • threat
            • 3.b5#
      • 1...gxf4
        • 2.Ka4
          • threat
            • 3.b5#
      • 1...Rf5
        • 2.Qa1+
          • 2...Kb5
            • 3.Qa4#
            • 3.Qa5#
      • 1...Re6
        • 2.Qa1+
          • 2...Kb5
            • 3.Qa4#
            • 3.Qa5#
      • 1...Sg7
        • 2.Qh1
          • threat
            • 3.Qb7#
          • 2...Kb5
            • 3.Qb7#
      • 1...Se7
        • 2.Qb8
          • threat
            • 3.Qb7#

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