Problem Display
PID: 157519 (5N2/4R2Q/Bpkp2K1/2P3p1/P1N2b2/8/2P5/1r6 w - - 0 1)

Khachaturov, Sergei

1st Prize, Moscow Ty., 2013

5N2/4R2Q/Bpkp2K1/2P3p1/P1N2b2/8/2P5/1r6

#3

9 + 6


56 The Problemist 2015

SOLUTION


  • SOUND
  • Sets
    • 1...bxc5
      • 2.Qf7
        • threat
          • 3.Rc7#
        • 2...Rb7
          • 3.Bxb7#
        • 2...d5
          • 3.Qe8#
    • 1...dxc5
      • 2.Bb7#
    • 1...d5
      • 2.Se6
        • threat
          • 3.Bb7#
        • 2...bxc5
          • 3.Sd8#
        • 2...Bc7
          • 3.Rxc7#
  • Tries
    • 1.Se6?
      • threat
        • 2.Bb7#
      • 1...bxc5
        • 2.Qh1+
          • 2...Rxh1
            • 3.Bb7#
          • 2...d5
            • 3.Sd8#
      • 1...Kd5!
    • 1.Re5?
      • threat
        • 2.Bb7#
        • 2.Qb7#
        • 2.Qd7#
      • 1...dxe5
        • 2.Qd7+
          • 2...Kxc5
            • 3.Qd6#
      • 1...d5
        • 2.Se6
          • threat
            • 3.Bb7#
            • 3.Qb7#
            • 3.Qc7#
        • 2.Qe7
          • threat
            • 3.Bb7#
            • 3.Qd6#
      • 1...Bxe5!
    • 1.Qf7?
      • threat
        • 2.Rc7#
      • 1...d5
        • 2.Se6
          • threat
            • 3.Bb7#
            • 3.Qe8#
      • 1...Kxc5!
  • Keys
    • 1.c3!
      • threat
        • 2.Bb7+
          • 2...Kxc5
            • 3.Rc7#
      • 1...Kxc5
        • 2.Rc7+
          • 2...Kd5
            • 3.Bb7#
      • 1...Kd5
        • 2.Qf7+
          • 2...Kxc5
            • 3.Rc7#
          • 2...Kc6
            • 3.Rc7#
      • 1...bxc5
        • 2.Qf7
          • threat
            • 3.Rc7#
          • 2...Rb7
            • 3.Bxb7#
          • 2...d5
            • 3.Qe8#
      • 1...d5
        • 2.Se6
          • threat
            • 3.Bb7#
          • 2...bxc5
            • 3.Sd8#
          • 2...Bc7
            • 3.Rxc7#

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).