Problem Display
PID: 271828 (b7/8/7p/4p2K/4p1N1/4Q2P/4BpkP/7n w - - 0 1)

Lawton, Howard

Sunday Referee, 1933

(First published on Sun Nov 12 1933)

b7/8/7p/4p2K/4p1N1/4Q2P/4BpkP/7n

#3

6 + 7


15239 Valois Notebooks 2023

SOLUTION


  • SOUND
  • Sets
    • 1...Kg1
      • 2.Qc1+
        • 2...Kg2
          • 3.Qf1#
        • 2...f1Q
          • 3.Qxf1#
        • 2...f1S
          • 3.Qxf1#
        • 2...f1B
          • 3.Qxf1#
        • 2...f1R
          • 3.Qxf1#
    • 1...Sg3+
      • 2.Qxg3+
        • 2...Kh1
          • 3.Sxf2#
  • Tries
    • 1.Qc1?
      • threat
        • 2.Qf1#
      • 1...Kxh3
        • 2.Bf1#
        • 2.Qf1#
      • 1...f1Q
        • 2.Qxf1#
      • 1...f1S
        • 2.Qxf1#
      • 1...f1B
        • 2.Qxf1#
      • 1...f1R
        • 2.Qxf1#
      • 1...Sg3+!
    • 1.Qxf2+?
      • 1...Kxh3
        • 2.Bf1#
        • 2.Qf1#
      • 1...Sxf2!
    • 1.Qxe4+?
      • 1...Kg1
        • 2.Qb1+
          • 2...Kg2
            • 3.Qf1#
          • 2...f1Q
            • 3.Qxf1#
          • 2...f1S
            • 3.Qxf1#
          • 2...f1B
            • 3.Qxf1#
          • 2...f1R
            • 3.Qxf1#
      • 1...Bxe4!
  • Keys
    • 1.h4!
      • threat
        • 2.Qh3+
          • 2...Kg1
            • 3.Qf1#
          • 2...Kxh3
            • 3.Bf1#
      • 1...Sg3+
        • 2.Qxg3+
          • 2...Kh1
            • 3.Sxf2#
      • 1...Kg1
        • 2.Qc1+
          • 2...Kg2
            • 3.Qf1#
          • 2...f1Q
            • 3.Qxf1#
          • 2...f1S
            • 3.Qxf1#
          • 2...f1B
            • 3.Qxf1#
          • 2...f1R
            • 3.Qxf1#
      • 1...f1Q
        • 2.Qh3+
          • 2...Kg1
            • 3.Qxf1#
          • 2...Kxh3
            • 3.Bxf1#
      • 1...f1S
        • 2.Qh3+
          • 2...Kg1
            • 3.Qxf1#
          • 2...Kxh3
            • 3.Bxf1#
      • 1...f1B
        • 2.Qh3+
          • 2...Kg1
            • 3.Qxf1#
          • 2...Kxh3
            • 3.Bxf1#
      • 1...f1R
        • 2.Qh3+
          • 2...Kg1
            • 3.Qxf1#
          • 2...Kxh3
            • 3.Bxf1#

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