Problem Display
PID: 199659 (2R2bn1/4pk2/5prp/5BpN/1B4K1/8/8/5R2 w - - 0 1)

Kalinin, Aleksandr Konstantinovich

Shakhmatnaya kompozitsiya, 1992

2R2bn1/4pk2/5prp/5BpN/1B4K1/8/8/5R2

#3

6 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...e5
      • 2.Rxf8#
    • 1...e6
      • 2.Rxf8#
  • Tries
    • 1.Bd7?
      • threat
        • 2.Kf5
          • threat
            • 3.Be6#
            • 3.Be8#
          • 2...e6+
            • 3.Bxe6#
      • 1...Bg7
        • 2.Kf5
          • threat
            • 3.Be6#
          • 2...e6+
            • 3.Bxe6#
      • 1...f5+!
    • 1.Rfc1?
      • 1...Bg7
        • 2.R1c6
          • threat
            • 3.Be6#
          • 2...e6
            • 3.Bxe6#
      • 1...Rg7!
    • 1.Rd1?
      • 1...Rg7
        • 2.Rdd8
          • threat
            • 3.Rxf8#
      • 1...Bg7!
    • 1.Re1?
      • threat
        • 2.Be6#
      • 1...e5
        • 2.Rxf8#
      • 1...e6
        • 2.Bxe6#
        • 2.Rxf8#
      • 1...Rg7!
  • Keys
    • 1.Ra1!
      • 1...Rg7
        • 2.Raa8
          • threat
            • 3.Rxf8#
      • 1...Bg7
        • 2.Ra6
          • threat
            • 3.Be6#
          • 2...e6
            • 3.Bxe6#

FEATURES


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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).