MESON Chess Problem Database

Problem Display
PID: 187842 (n7/6b1/2P5/BP6/2pk2P1/1p3Q2/4PK2/8 w - - 0 1)

Challenger, Alfred Clement

The Observer, 1936

(First published on Sun Jun 7 1936)

n7/6b1/2P5/BP6/2pk2P1/1p3Q2/4PK2/8

#3

7 + 5

15239 Valois Notebooks 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Bb4?
      • threat
        • 2.e3+
          • 2...Kd3
            • 3.Qf5#
          • 2...Ke5
            • 3.Qf5#
      • 1...Ke5
        • 2.Bc5
          • threat
            • 3.Qf5#
          • 2...Ke6
            • 3.Qf5#
        • 2.Qf5+
          • 2...Kd4
            • 3.e3#
        • 2.e3
          • threat
            • 3.Qf5#
          • 2...Ke6
            • 3.Qf5#
      • 1...c3
        • 2.Bd6
          • threat
            • 3.Qd3#
          • 2...Kc4
            • 3.Qd3#
      • 1...Be5
        • 2.e3+
          • 2...Kd3
            • 3.Qf5#
      • 1...Bh6!
    • 1.Bb6+?
      • 1...Ke5
        • 2.Bc5
          • threat
            • 3.Qf5#
          • 2...Ke6
            • 3.Qf5#
      • 1...Sxb6!
    • 1.e3+?
      • 1...Ke5
        • 2.Bb4
          • threat
            • 3.Qf5#
          • 2...Ke6
            • 3.Qf5#
      • 1...Kc5!
  • Keys
    • 1.c7!
      • threat
        • 2.Bc3+
          • 2...Kc5
            • 3.Qc6#
      • 1...Kc5
        • 2.Qf5+
          • 2...Kd4
            • 3.e3#
          • 2...Kd6
            • 3.c8S#
          • 2...Be5
            • 3.Qxe5#
      • 1...Ke5
        • 2.Qf5+
          • 2...Kd4
            • 3.e3#
          • 2...Kd6
            • 3.c8S#
      • 1...c3
        • 2.Bxc3+
          • 2...Kc4
            • 3.Qc6#
          • 2...Kc5
            • 3.Qc6#

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