Problem Display
PID: 135557 (8/8/3pK3/8/2p1kpP1/3N3B/1pQ2p2/8 w - - 0 1)

Chichagov, Aleksey

Kharchisin, Nikolai

StrateGems, 2009

8/8/3pK3/8/2p1kpP1/3N3B/1pQ2p2/8

#3

5 + 6


  • SOUND
  • Tries
    • 1.Se5+?
      • 1...Kd4
        • 2.Qxc4+
          • 2...Ke3
            • 3.Qd3#
      • 1...Ke3!
  • Keys
    • 1.Bf1!
      • threat
        • 2.Qxc4+
          • 2...Ke3
            • 3.Qxf4#
          • 2...Kf3
            • 3.Qxf4#
      • 1...Ke3
        • 2.Qxf2+
          • 2...Ke4
            • 3.Qxf4#
      • 1...Kf3
        • 2.Kf5
          • threat
            • 3.Qxf2#
          • 2...Ke3
            • 3.Qxf2#
          • 2...Kg3
            • 3.Qxf2#
          • 2...cxd3
            • 3.Qxd3#
      • 1...Kd4
        • 2.Qxf2+
          • 2...Kc3
            • 3.Qxb2#
          • 2...Ke4
            • 3.Qxf4#
      • 1...c3
        • 2.Qa4+
          • 2...Ke3
            • 3.Qxf4#
          • 2...Kf3
            • 3.Qxf4#
      • 1...f3
        • 2.Qxc4+
          • 2...Ke3
            • 3.Qf4#
      • 1...d5
        • 2.Qe2+
          • 2...Kd4
            • 3.Qe5#


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).