Problem Display
PID: 5306 (8/2K1p3/4P3/2p1P1p1/3kN3/P4Q2/2P5/8 w - - 0 1)

Markevitch, Alex

StrateGems, 1999

8/2K1p3/4P3/2p1P1p1/3kN3/P4Q2/2P5/8

#3

7 + 4


SOLUTION


  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qd3#
  • Tries
    • 1.Sg3?
      • 1...Kxe5
        • 2.Qe4+
          • 2...Kf6
            • 3.Sh5#
        • 2.c3
          • threat
            • 3.Qf5#
          • 2...Kxe6
            • 3.Qf5#
      • 1...c4
        • 2.c3+
          • 2...Kc5
            • 3.Qc6#
          • 2...Kxe5
            • 3.Qf5#
      • 1...g4!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sc4
          • threat
            • 3.Qd3#
          • 2...Kxc4
            • 3.Qd3#
        • 2.c3+
          • 2...Kxe5
            • 3.Qf5#
      • 1...Kxe5
        • 2.Qe4+
          • 2...Kf6
            • 3.Se8#
      • 1...exd6
        • 2.Kxd6
          • threat
            • 3.Qd3#
          • 2...Kc4
            • 3.Qd3#
          • 2...c4
            • 3.c3#
      • 1...c4
        • 2.c3+
          • 2...Kc5
            • 3.Qc6#
          • 2...Kxe5
            • 3.Qf5#
      • 1...g4
        • 2.c3+
          • 2...Kxe5
            • 3.Qf5#

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).