Problem Display
PID: 207748 (8/3R4/2p1p3/2p1k1B1/2p1P3/4pP2/B3P3/1K6 w - - 0 1)

Sprague, Gordon

The Observer, 1954

(First published on Sun Sep 19 1954)

8/3R4/2p1p3/2p1k1B1/2p1P3/4pP2/B3P3/1K6

#3

7 + 6


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Bb3?
      • threat
        • 2.Bc2
          • 2...c3
            • 3.f4#
        • 2.f4+
          • 2...Kxe4
            • 3.Bc2#
      • 1...c3
        • 2.Bc2
          • 2...c4
            • 3.f4#
        • 2.f4+
          • 2...Kxe4
            • 3.Bc2#
      • 1...cxb3!
    • 1.Bf6+?
      • 1...Kf4
        • 2.Rg7
          • threat
            • 3.Rg4#
      • 1...Kxf6!
    • 1.Rd6?
      • 1...c3
        • 2.Rxe6+
          • 2...Kd4
            • 3.Bf6#
      • 1...Kxd6!
  • Keys
    • 1.Re7!
      • 1...Kd4
        • 2.Bf6+
          • 2...e5
            • 3.Bxe5#
      • 1...Kd6
        • 2.f4
          • 2...c3
            • 3.e5#
          • 2...e5
            • 3.fxe5#
      • 1...c3
        • 2.Rxe6+
          • 2...Kd4
            • 3.Bf6#

FEATURES


NOT CLASSIFIED


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).