MESON Chess Problem Database

Problem Display
PID: 184460 (8/n7/4N3/2Pk1pR1/3p1n2/1P1p2P1/K2PpNr1/7Q w - - 0 1)

Challenger, Alfred Clement

The Observer, 1928

(First published on Sun Aug 26 1928)

8/n7/4N3/2Pk1pR1/3p1n2/1P1p2P1/K2PpNr1/7Q

#3

9 + 8

15239 Valois Notebooks 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rxf5+?
      • 1...Kxe6
        • 2.Qh7
          • threat
            • 3.Qf7#
      • 1...Kc6!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Rxf5+
          • 2...Kc6
            • 3.Sxd4#
          • 2...Kxe6
            • 3.Qf7#
      • 1...Kc6
        • 2.Qc7+
          • 2...Kb5
            • 3.Qb6#
          • 2...Kd5
            • 3.Sxf4#
            • 3.Qd6#
      • 1...Kxe6
        • 2.Rxf5
          • threat
            • 3.Qf7#
      • 1...Rxf2
        • 2.Rxf5+
          • 2...Ke4
            • 3.Sg5#
          • 2...Kc6
            • 3.Sxd4#
          • 2...Kxe6
            • 3.Qf7#
      • 1...Sxe6
        • 2.Qb7+
          • 2...Kxc5
            • 3.Se4#
          • 2...Ke5
            • 3.Sg4#
          • 2...Sc6
            • 3.Rxf5#
      • 1...e1Q
        • 2.Rxf5+
          • 2...Kc6
            • 3.Sxd4#
          • 2...Kxe6
            • 3.Qf7#
          • 2...Qe5
            • 3.Qd7#
      • 1...e1R
        • 2.Rxf5+
          • 2...Kc6
            • 3.Sxd4#
          • 2...Kxe6
            • 3.Qf7#
          • 2...Re5
            • 3.Qd7#
      • 1...Sg6
        • 2.Rxf5+
          • 2...Kc6
            • 3.Sxd4#
          • 2...Kxe6
            • 3.Qf7#
          • 2...Se5
            • 3.Qd7#
      • 1...Sb5
        • 2.Rxf5+
          • 2...Kc6
            • 3.Sd8#
          • 2...Kxe6
            • 3.Qf7#
      • 1...Sc6
        • 2.Rxf5+
          • 2...Kxe6
            • 3.Qf7#
          • 2...Se5
            • 3.Qd7#

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