Problem Display
PID: 119706 (8/2N5/2p5/4p3/2P1k3/8/3P4/K4Q2 w - - 0 1)

Shoshin, Aleksandr Ivanovich

Ceske listy sachove, 1897

8/2N5/2p5/4p3/2P1k3/8/3P4/K4Q2

#3

5 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Kb1?
      • 1...c5
        • 2.Kc2
          • 2...Kd4
            • 3.Qd3#
      • 1...Kd4!
    • 1.Kb2?
      • 1...c5
        • 2.Kc2
          • 2...Kd4
            • 3.Qd3#
      • 1...Kd4!
    • 1.Qf3+?
      • 1...Kd4
        • 2.Qe3+
          • 2...Kxc4
            • 3.Qc3#
      • 1...Kxf3!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Se6
          • 2...c5
            • 3.d3#
      • 1...Kd4
        • 2.Qe3+
          • 2...Kxc4
            • 3.Qc3#
      • 1...Kf4
        • 2.Se6+
          • 2...Ke4
            • 3.d3#
      • 1...c5
        • 2.d3+
          • 2...Kd4
            • 3.Sb5#
          • 2...Kf4
            • 3.Se6#

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).