Problem Display
PID: 75417 (3K1Q2/1B6/p2N4/Pp6/1k6/1p1P4/1p6/1R2N3 w - - 0 1)

Sychov, Vladimir Petrovich

2nd Prize, Moscow Ty., 2006

3K1Q2/1B6/p2N4/Pp6/1k6/1p1P4/1p6/1R2N3

#3

8 + 5


56 The Problemist 2007

SOLUTION


  • SOUND
  • Sets
    • 1...Kc3
      • 2.Se4+
        • 2...Kd4
          • 3.Qc5#
    • 1...Kc5
      • 2.Sf5#
  • Tries
    • 1.Sc4+?
      • 1...Ka4
        • 2.Qa3#
      • 1...Kc3!
    • 1.Se4+?
      • 1...Kxa5
        • 2.Qa3+
          • 2...Kb6
            • 3.Qxa6#
      • 1...Ka4!
    • 1.Sc8+?
      • 1...Ka4
        • 2.Bc6
          • 2...Kxa5
            • 3.Qa3#
      • 1...Kc3!
  • Keys
    • 1.Bc6!
      • 1...Ka3
        • 2.Sxb5+
          • 2...Ka2
            • 3.Sc3#
          • 2...Ka4
            • 3.Qa3#
      • 1...Kc3
        • 2.Se4+
          • 2...Kd4
            • 3.Qc5#
      • 1...Ka4
        • 2.Sc8
          • 2...Kxa5
            • 3.Qa3#
      • 1...Kxa5
        • 2.Sc4+
          • 2...Ka4
            • 3.Qa3#
          • 2...bxc4
            • 3.Qc5#
      • 1...Kc5
        • 2.Sb7+
          • 2...Kd4
            • 3.Qc5#
          • 2...Kxc6
            • 3.Qf3#

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).