MESON Chess Problem Database

Problem Display
PID: 153188 (k7/pp1N4/2p1n3/8/7K/8/3R4/5Q2 w - - 0 1)

Harley, Brian

The Observer, 1937

(First published on Sun Jul 18 1937)

k7/pp1N4/2p1n3/8/7K/8/3R4/5Q2

#3

4 + 5

15290 Harley Scrapbook 2014
15239 Valois Notebooks 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sd4
      • 2.Qf8#
    • 1...Sf4
      • 2.Qxf4
        • threat
          • 3.Qb8#
          • 3.Qf8#
    • 1...Sc5
      • 2.Qf8#
    • 1...Sg5
      • 2.Qf8#
    • 1...Sc7
      • 2.Qf8+
        • 2...Se8
          • 3.Qxe8#
    • 1...Sg7
      • 2.Qf8+
        • 2...Se8
          • 3.Qxe8#
    • 1...Sd8
      • 2.Qf4
        • threat
          • 3.Qb8#
    • 1...Sf8
      • 2.Qxf8#
    • 1...b6
      • 2.Qa6
        • threat
          • 3.Qc8#
  • Tries
    • 1.Ra2?
      • threat
        • 2.Rxa7+
          • 2...Kxa7
            • 3.Qa1#
      • 1...a6
        • 2.Rxa6+
          • 2...bxa6
            • 3.Qxa6#
      • 1...b6
        • 2.Qa6
          • threat
            • 3.Qc8#
            • 3.Qxa7#
      • 1...Sc7
        • 2.Qf8+
          • 2...Se8
            • 3.Qxe8#
      • 1...b5!
    • 1.Qa1?
      • threat
        • 2.Qh8+
          • 2...Sd8
            • 3.Qxd8#
          • 2...Sf8
            • 3.Qxf8#
        • 2.Qxa7+
          • 2...Kxa7
            • 3.Ra2#
      • 1...b5
        • 2.Qa6
          • threat
            • 3.Qc8#
            • 3.Qxc6#
      • 1...b6
        • 2.Qa6
          • threat
            • 3.Qc8#
      • 1...Sd4
        • 2.Qxa7+
          • 2...Kxa7
            • 3.Ra2#
      • 1...Sc7
        • 2.Sb6+
          • 2...Kb8
            • 3.Rd8#
        • 2.Qh8+
          • 2...Se8
            • 3.Qxe8#
      • 1...Sg7
        • 2.Sb6+
          • 2...Kb8
            • 3.Qe5#
        • 2.Qxa7+
          • 2...Kxa7
            • 3.Ra2#
      • 1...Sd8
        • 2.Sb6+
          • 2...Kb8
            • 3.Qe5#
        • 2.Qe5
          • threat
            • 3.Qb8#
        • 2.Qxa7+
          • 2...Kxa7
            • 3.Ra2#
      • 1...Sf8
        • 2.Sb6+
          • 2...Kb8
            • 3.Qe5#
        • 2.Qxa7+
          • 2...Kxa7
            • 3.Ra2#
      • 1...a6!
    • 1.Qf4?
      • threat
        • 2.Qb8#
      • 1...Sc7
        • 2.Qxc7
          • threat
            • 3.Qb8#
            • 3.Qd8#
            • 3.Qc8#
        • 2.Qf8+
          • 2...Se8
            • 3.Qxe8#
      • 1...Sxf4!
    • 1.Qf8+?
      • 1...Sd8
        • 2.Qxd8#
      • 1...Sxf8!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Qxa7+
          • 2...Kxa7
            • 3.Ra2#
      • 1...bxa6
        • 2.Rb2
          • threat
            • 3.Rb8#
      • 1...Sc5
        • 2.Sxc5
          • threat
            • 3.Rd8#
            • 3.Qxb7#
          • 2...Kb8
            • 3.Qxb7#
      • 1...Sc7
        • 2.Sb6+
          • 2...Kb8
            • 3.Rd8#

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