MESON Chess Problem Database

Problem Display
PID: 3578 (8/2p5/2p4R/3p1kp1/2N1bbp1/Kp1P2P1/8/1B3Q2 w - - 0 1)

Harley, Brian

The Observer, 1939

(First published on Sun Nov 5 1939)

8/2p5/2p4R/3p1kp1/2N1bbp1/Kp1P2P1/8/1B3Q2

#3

7 + 9

17121 Encyclopedia of Chess Problems (Velimirovic/Valtonen) 2012
15290 Harley Scrapbook 2014
56 The Problemist 2015
15239 Valois Notebooks 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.d4+
        • 2...Be4
          • 3.Se3#
    • 1...Bg2
      • 2.d4+
        • 2...Be4
          • 3.Se3#
    • 1...Bxd3
      • 2.Bxd3#
      • 2.Qxd3#
    • 1...Bf3
      • 2.d4+
        • 2...Be4
          • 3.Se3#
    • 1...d4
      • 2.dxe4#
  • Tries
    • 1.d4?
      • threat
        • 2.Se3#
      • 1...Bc2
        • 2.Bxc2+
          • 2...bxc2
            • 3.Qd3#
        • 2.Qd3+
          • 2...Bxd3
            • 3.Bxd3#
      • 1...dxc4!
  • Keys
    • 1.Qf2!
      • 1...dxc4
        • 2.Qc5+
          • 2...Bd5
            • 3.d4#
          • 2...Be5
            • 3.dxe4#
        • 2.dxe4+
          • 2...Ke5
            • 3.Qc5#
      • 1...c5
        • 2.Qb2
          • threat
            • 3.Rf6#
            • 3.Qf6#
          • 2...Bxd3
            • 3.Bxd3#
          • 2...Be5
            • 3.Se3#
            • 3.Qxe5#
          • 2...d4
            • 3.dxe4#
      • 1...Bh1
        • 2.d4+
          • 2...Be4
            • 3.Se3#
      • 1...Bg2
        • 2.d4+
          • 2...Be4
            • 3.Se3#
      • 1...Bf3
        • 2.d4+
          • 2...Be4
            • 3.Se3#
      • 1...b2
        • 2.Qc5
          • threat
            • 3.Qf8#
            • 3.dxe4#
          • 2...Bxd3
            • 3.Bxd3#
          • 2...Be5
            • 3.Se3#

FEATURES

NOT CLASSIFIED
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).