MESON Chess Problem Database

Problem Display
PID: 164843 (b7/8/1pp2pp1/b3kP1P/3R4/BQ1p3K/4P3/8 w - - 0 1)

Challenger, Alfred Clement

The Observer, 1926

(First published on Sun Dec 19 1926)

b7/8/1pp2pp1/b3kP1P/3R4/BQ1p3K/4P3/8

#3

7 + 8

15239 Valois Notebooks 2017

SOLUTION

  • NO_SOLUTION
  • Sets
    • 1...Kxd4
      • 2.Qxd3+
        • 2...Ke5
          • 3.Bd6#
    • 1...Bc3
      • 2.Qe6+
        • 2...Kxd4
          • 3.e3#
    • 1...gxf5
      • 2.Bd6+
        • 2...Kxd4
          • 3.Qxd3#
    • 1...g5
      • 2.Bd6+
        • 2...Kxd4
          • 3.Qxd3#
        • 2...Kxf5
          • 3.e4#
  • Tries
    • 1.Bd6+?
      • 1...Kxd4
        • 2.Qxd3#
      • 1...Kxf5!
    • 1.Be7?
      • threat
        • 2.Qxd3
          • threat
            • 3.Bd6#
            • 3.Qe4#
          • 2...gxf5
            • 3.Qe3#
      • 1...Kxd4
        • 2.Qxd3+
          • 2...Ke5
            • 3.Bd6#
      • 1...Kxf5
        • 2.Qf7
          • threat
            • 3.Qxf6#
          • 2...Ke5
            • 3.Qxf6#
          • 2...Kg5
            • 3.Qxg6#
      • 1...dxe2
        • 2.Qd3
          • threat
            • 3.Bd6#
            • 3.Qe4#
          • 2...gxf5
            • 3.Qe3#
      • 1...gxf5
        • 2.Bd6+
          • 2...Kxd4
            • 3.Qxd3#
      • 1...gxh5
        • 2.Qxd3
          • threat
            • 3.Bd6#
            • 3.Qe4#
      • 1...Bc3
        • 2.Qe6+
          • 2...Kxd4
            • 3.e3#
      • 1...Bb4
        • 2.Qxd3
          • threat
            • 3.Qe4#
          • 2...gxf5
            • 3.Qe3#
          • 2...c5
            • 3.Bd6#
      • 1...d2
        • 2.Qd3
          • threat
            • 3.Bd6#
            • 3.Qe4#
          • 2...gxf5
            • 3.Qe3#
      • 1...c5
        • 2.Qe6+
          • 2...Kxd4
            • 3.Bxf6#
      • 1...g5
        • 2.Bd6+
          • 2...Kxd4
            • 3.Qxd3#
          • 2...Kxf5
            • 3.e4#
      • 1...Bd2!
    • 1.Qxd3?
      • threat
        • 2.Bd6#
        • 2.Qe4#
      • 1...gxf5
        • 2.Qe3#
      • 1...Bb4
        • 2.Qe4#
      • 1...c5!
    • 1.e3?
      • threat
        • 2.Qe6#
      • 1...gxf5
        • 2.Bd6#
      • 1...Kxf5!

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