Problem Display
PID: 270571 (3Q4/p7/8/K2N4/3k3P/3p4/3N4/8 w - - 0 1)

Gallego, Augusto

Sunday Referee, 1931

(First published on Sun Dec 13 1931)

3Q4/p7/8/K2N4/3k3P/3p4/3N4/8

#3

5 + 3


3713 Snap 2023
15239 Valois Notebooks 2023

SOLUTION


  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sb4
        • 2...a6
          • 3.Qb6#
          • 3.Qd5#
      • 2.Se7
        • 2...a6
          • 3.Qb6#
          • 3.Qd5#
  • Tries
    • 1.Qf6+?
      • 1...Kc5
        • 2.Sc3
          • 2...a6
            • 3.Qb6#
        • 2.Se3
          • 2...a6
            • 3.Sb3#
            • 3.Se4#
            • 3.Qb6#
        • 2.Sb4
          • 2...a6
            • 3.Qe5#
            • 3.Qb6#
        • 2.Sf4
          • 2...a6
            • 3.Qb6#
        • 2.Sc7
          • 2...a6
            • 3.Qb6#
        • 2.Se7
          • 2...a6
            • 3.Qe5#
            • 3.Qb6#
      • 1...Kxd5!
    • 1.Qe7?
      • 1...a6
        • 2.Se3
          • 2...Kc3
            • 3.Qb4#
      • 1...Kxd5!
  • Keys
    • 1.Ka6!
      • 1...Kc5
        • 2.Sb4
          • 2...Kxb4
            • 3.Qa5#
        • 2.Se7
          • 2...Kb4
            • 3.Qa5#
      • 1...Ke5
        • 2.Sf4
          • 2...Kxf4
            • 3.Qg5#
          • 2...Kf5
            • 3.Qg5#
        • 2.Sc7
          • 2...Kf4
            • 3.Qg5#
          • 2...Kf5
            • 3.Qg5#

Anticipated by 185642(1909)

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