MESON Chess Problem Database

Problem Display
PID: 161574 (4N3/1p1pP3/Q2Pp3/4kN2/3R4/4p3/b2P2P1/7K w - - 0 1)

Challenger, Alfred Clement

The Observer, 1923

(First published on Sun Jul 1 1923)

4N3/1p1pP3/Q2Pp3/4kN2/3R4/4p3/b2P2P1/7K

#3

9 + 6

15239 Valois Notebooks 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Qb5#
    • 1...exd2
      • 2.Qe2+
        • 2...Kxf5
          • 3.Qh5#
    • 1...e2
      • 2.Qxe2+
        • 2...Kxf5
          • 3.Qh5#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Qe4#
      • 1...exf5
        • 2.Qxe3#
      • 1...Bb1
        • 2.Qb5#
      • 1...Bd5!
  • Keys
    • 1.Rh4!
      • threat
        • 2.Sxe3
          • threat
            • 3.d4#
      • 1...Kxf5
        • 2.Qe2
          • threat
            • 3.Qh5#
          • 2...Ke5
            • 3.Qh5#
          • 2...Kg5
            • 3.Qg4#
            • 3.Qh5#
          • 2...Kg6
            • 3.Qh5#
          • 2...e5
            • 3.Qg4#
      • 1...exd2
        • 2.Qe2+
          • 2...Kd5
            • 3.Qb5#
          • 2...Kxf5
            • 3.Qh5#
      • 1...exf5
        • 2.d4+
          • 2...Kd5
            • 3.Sc7#
          • 2...Ke6
            • 3.Qxa2#
      • 1...Bd5
        • 2.Qa1+
          • 2...Kxf5
            • 3.Qf6#
      • 1...Bb3
        • 2.Sxe3
          • threat
            • 3.Qa1#
            • 3.d4#
      • 1...Bc4
        • 2.Sxe3
          • threat
            • 3.Qa1#
            • 3.d4#
      • 1...e2
        • 2.Qxe2+
          • 2...Kd5
            • 3.Qb5#
          • 2...Kxf5
            • 3.Qh5#

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