Problem Display
PID: 132776 (r3k3/P1bp4/1P3Q2/4PP2/7p/2K5/4R3/8 w q - 0 1)

Rice, John Michael

Problem Observer, 2009

r3k3/P1bp4/1P3Q2/4PP2/7p/2K5/4R3/8

#3

7 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Bxe5+
      • 2.Rxe5#
    • 1...Bd6
      • 2.exd6#
  • Tries
    • 1.Rg2?
      • threat
        • 2.Rg8#
      • 1...d5
        • 2.Rg8+
          • 2...Kd7
            • 3.Qe6#
        • 2.Qe6+
          • 2...Kd8
            • 3.Rg8#
          • 2...Kf8
            • 3.Rg8#
      • 1...d6
        • 2.Rg7
          • threat
            • 3.Qe7#
          • 2...Bd8
            • 3.Qf7#
        • 2.Qe6+
          • 2...Kd8
            • 3.Rg8#
          • 2...Kf8
            • 3.Rg8#
        • 2.e6
          • threat
            • 3.Rg8#
      • 1...Bd6
        • 2.Rg8+
          • 2...Bf8
            • 3.Rxf8#
            • 3.Qxf8#
      • 1...Bxe5+!
    • 1.Qf7+?
      • 1...Kd8
        • 2.Qf8#
      • 1...Kxf7!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qg8+
          • 2...Ke7
            • 3.f6#
      • 1...Bxe5+
        • 2.Rxe5+
          • 2...Kd8
            • 3.Qf8#
            • 3.Qh8#
            • 3.Qg8#
      • 1...0-0-0
        • 2.a8Q+
          • 2...Bb8
            • 3.Qa6#
      • 1...Bd6
        • 2.exd6+
          • 2...Kd8
            • 3.Qf8#
            • 3.Qh8#
            • 3.Qg8#
      • 1...d5
        • 2.exd5 ep+
          • 2...Kd8
            • 3.Qxc7#
      • 1...d6
        • 2.exd6+
          • 2...Kd8
            • 3.Qxc7#

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).