Problem Display
PID: 127480 (2N5/5Q2/2p5/3pk1p1/K5pn/8/2nN1B2/8 w - - 0 1)

Cisar, Vaclav

Sachove umeni (Ceskoslovensky sach), 1971

2N5/5Q2/2p5/3pk1p1/K5pn/8/2nN1B2/8

#3

5 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sd4
      • 2.Bg3#
    • 1...d4
      • 2.Bg3#
  • Tries
    • 1.Qe6+?
      • 1...Kf4
        • 2.Qd6+
          • 2...Kf5
            • 3.Se7#
      • 1...Kxe6!
    • 1.Qe7+?
      • 1...Kf4
        • 2.Qd6+
          • 2...Kf5
            • 3.Se7#
      • 1...Kf5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.S2e4
          • threat
            • 3.Qf6#
          • 2...dxe4
            • 3.Sc4#
          • 2...Sf5
            • 3.Qxf5#
          • 2...d4
            • 3.Bg3#
      • 1...Kxd6
        • 2.Bg3+
          • 2...Kc5
            • 3.Qa7#
      • 1...Se3
        • 2.Qe7+
          • 2...Kd4
            • 3.Qxe3#
          • 2...Kf4
            • 3.Qxe3#
      • 1...Sf5
        • 2.Sxf5
          • threat
            • 3.Bg3#
          • 2...Kf4
            • 3.Bg3#
          • 2...g3
            • 3.Bxg3#
      • 1...Sa3
        • 2.Qe7+
          • 2...Kf4
            • 3.Qe3#
      • 1...Sg2
        • 2.S2e4
          • threat
            • 3.Qf5#
            • 3.Qf6#
          • 2...dxe4
            • 3.Sc4#
        • 2.Qe7+
          • 2...Kf4
            • 3.Qf6#
      • 1...Sf3
        • 2.S2e4
          • threat
            • 3.Qf5#
            • 3.Qf6#
          • 2...dxe4
            • 3.Sc4#
        • 2.Qe7+
          • 2...Kf4
            • 3.Qf6#
      • 1...Sg6
        • 2.S2e4
          • threat
            • 3.Qf5#
            • 3.Qf6#
          • 2...dxe4
            • 3.Sc4#
      • 1...g3
        • 2.S2e4
          • threat
            • 3.Qf6#
          • 2...dxe4
            • 3.Sc4#
          • 2...Sf5
            • 3.Qxf5#
          • 2...d4
            • 3.Bxg3#

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).