Problem Display
PID: 162220 (8/5K2/7Q/2k5/8/2NP4/6N1/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

The Problemist, 2015

8/5K2/7Q/2k5/8/2NP4/6N1/8

#3

5 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Sf4?
      • threat
        • 2.Sfd5
          • 2...Kd4
            • 3.Qe3#
      • 1...Kd4
        • 2.Scd5
          • 2...Kc5
            • 3.Qb6#
          • 2...Ke5
            • 3.Qf6#
      • 1...Kb4!
    • 1.Sa2?
      • 1...Kd5
        • 2.Qb6
          • 2...Ke5
            • 3.Qc5#
      • 1...Kb5!
    • 1.Qa6?
      • 1...Kd4
        • 2.Qc4+
          • 2...Ke5
            • 3.Qd5#
            • 3.Qf4#
            • 3.Qc5#
      • 1...Kb4!
    • 1.Qe6?
      • 1...Kd4
        • 2.Qc4+
          • 2...Ke5
            • 3.Qd5#
            • 3.Qf4#
            • 3.Qc5#
      • 1...Kb4!
  • Keys
    • 1.Sd5!
      • 1...Kd4
        • 2.Sgf4
          • 2...Kc5
            • 3.Qb6#
          • 2...Ke5
            • 3.Qf6#
      • 1...Kb5
        • 2.Qb6+
          • 2...Ka4
            • 3.Qb4#
      • 1...Kxd5
        • 2.Qb6
          • 2...Ke5
            • 3.Qc5#

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).