Problem Display
PID: 96165 (5K2/3p2p1/3R4/5k1p/2p3R1/3p2P1/b5PP/2bQ2n1 w - - 0 1)

Mach, Julius Zdenek

Svetozor, 1896

5K2/3p2p1/3R4/5k1p/2p3R1/3p2P1/b5PP/2bQ2n1

#3

7 + 9


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sf3
      • 2.Qxf3+
        • 2...Ke5
          • 3.Qd5#
        • 2...Bf4
          • 3.Qxf4#
  • Tries
    • 1.Qf3+?
      • 1...Ke5
        • 2.Qd5#
      • 1...Bf4
        • 2.Qxf4#
      • 1...Sxf3!
    • 1.Qxc1?
      • threat
        • 2.Qf4#
        • 2.Qg5#
      • 1...Sh3
        • 2.Rg5+
          • 2...Ke4
            • 3.Qe1#
          • 2...Sxg5
            • 3.Qf4#
      • 1...d2!
    • 1.Qf1+?
      • 1...Kxg4
        • 2.Rg6+
          • 2...Bg5
            • 3.Qf4#
      • 1...Sf3
        • 2.Qxf3+
          • 2...Ke5
            • 3.Qd5#
          • 2...Bf4
            • 3.Qxf4#
      • 1...Ke5!
    • 1.Qxd3+?
      • 1...Kxg4
        • 2.Rg6+
          • 2...Bg5
            • 3.Qe4#
            • 3.Qxd7#
        • 2.Qe4+
          • 2...Kg5
            • 3.Rg6#
            • 3.Qg6#
            • 3.h4#
          • 2...Bf4
            • 3.Rg6#
            • 3.Qxf4#
        • 2.Qg6+
          • 2...Bg5
            • 3.Rd4#
      • 1...cxd3!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qxd7+
          • 2...Ke5
            • 3.Qe6#
      • 1...Kxg4
        • 2.Qxd7+
          • 2...Kg5
            • 3.h4#
      • 1...Ke5
        • 2.Qa5+
          • 2...Kxd6
            • 3.Rg6#
      • 1...hxg4
        • 2.Qxd7+
          • 2...Ke4
            • 3.Qe6#
          • 2...Ke5
            • 3.Qe6#
          • 2...Kg5
            • 3.Qb5#
      • 1...Bf4
        • 2.Qxd7+
          • 2...Ke4
            • 3.Qe6#
          • 2...Ke5
            • 3.Qe6#

FEATURES


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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).