MESON Chess Problem Database

Problem Display
PID: 153182 (8/8/8/6K1/5p1Q/8/4BNkb/5n2 w - - 0 1)

Harley, Brian

The Observer, 1937

(First published on Sun Jan 17 1937)

8/8/8/6K1/5p1Q/8/4BNkb/5n2

#3

4 + 4

15290 Harley Scrapbook 2014
5454 Near Snap 2018
15239 Valois Notebooks 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Bf3+?
      • 1...Kg1
        • 2.Sh3#
      • 1...Kxf3!
    • 1.Qh3+?
      • 1...Kg1
        • 2.Qxf1#
      • 1...Kxf2!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Qf2+
          • 2...Kh1
            • 3.Bf3#
          • 2...Kh3
            • 3.Bxf1#
      • 1...Kg1
        • 2.Qf2+
          • 2...Kh1
            • 3.Bf3#
      • 1...Kh1
        • 2.Bf3+
          • 2...Kg1
            • 3.Qf2#
        • 2.Qf2
          • threat
            • 3.Bf3#
          • 2...Sd2
            • 3.Qxh2#
          • 2...Se3
            • 3.Qxh2#
          • 2...f3
            • 3.Bxf3#
      • 1...Bg1
        • 2.Qh1+
          • 2...Kxh1
            • 3.Bf3#
          • 2...Kg3
            • 3.Qf3#
      • 1...Bg3
        • 2.Qh3+
          • 2...Kg1
            • 3.Qxf1#
          • 2...Kxh3
            • 3.Bxf1#
      • 1...f3
        • 2.Qf2+
          • 2...Kh1
            • 3.Bxf3#
          • 2...Kh3
            • 3.Bxf1#

This anticipates 170609(1967)

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