Problem Display
PID: 266387 (3B3R/3k2p1/3p1pP1/N3pK2/4P3/4Np1B/n2r1P2/8 w - - 0 1)

Thomson, Robert Gavin

HM., Sunday Referee, 1937

(First published on Sun Jul 11 1937)

3B3R/3k2p1/3p1pP1/N3pK2/4P3/4Np1B/n2r1P2/8

#3

9 + 8


15239 Valois Notebooks 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Kc8
      • 2.Ke6
        • threat
          • 3.Bb6#
        • 2...Kb8
          • 3.Bb6#
  • Tries
    • 1.Sec4?
      • threat
        • 2.Sb6#
      • 1...Kc8
        • 2.Ke6
          • threat
            • 3.Bb6#
          • 2...Kb8
            • 3.Bb6#
      • 1...d5
        • 2.Sxe5+
          • 2...Kd6
            • 3.Sb7#
          • 2...Kc8
            • 3.Bb6#
          • 2...fxe5
            • 3.Kxe5#
      • 1...Rb2!
    • 1.Sd5?
      • threat
        • 2.Sb6#
      • 1...Kc8
        • 2.Ke6
          • threat
            • 3.Bb6#
            • 3.Bxf6#
            • 3.Bc7#
            • 3.Be7#
          • 2...Kb8
            • 3.Bb6#
        • 2.Bb6+
          • 2...Kd7
            • 3.Rd8#
        • 2.Bxf6+
          • 2...Kd7
            • 3.Kg5#
            • 3.Rd8#
        • 2.Bc7+
          • 2...Kd7
            • 3.Rd8#
        • 2.Be7+
          • 2...Kd7
            • 3.Rd8#
      • 1...Rb2
        • 2.Sxf6+
          • 2...Kc8
            • 3.Bb6#
          • 2...gxf6
            • 3.Kxf6#
        • 2.Bxf6
          • threat
            • 3.Kg5#
            • 3.Rd8#
          • 2...gxf6
            • 3.Kxf6#
      • 1...Rxd5!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sxf6+
          • 2...Kc8
            • 3.Bb6#
          • 2...gxf6
            • 3.Kxf6#
      • 1...Kc8
        • 2.Ke6
          • threat
            • 3.Bb6#
          • 2...Kb8
            • 3.Bb6#
      • 1...d5
        • 2.Sxe5+
          • 2...Kd6
            • 3.Sb7#
          • 2...Kc8
            • 3.Bb6#
          • 2...fxe5
            • 3.Kxe5#

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