Problem Display
PID: 122659 (3Q4/4Nb2/K1p5/p1r1kB2/2p2p2/8/3P2N1/8 w - - 0 1)

Potempski, Waclaw

Szachista Polski, 1946

3Q4/4Nb2/K1p5/p1r1kB2/2p2p2/8/3P2N1/8

#3

6 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qc7+?
      • 1...Kd4
        • 2.Qxf4#
      • 1...Kf6!
    • 1.Qb8+?
      • 1...Kd4
        • 2.Qxf4#
      • 1...Kf6!
  • Keys
    • 1.Sh4!
      • threat
        • 2.Qd4+
          • 2...Kxd4
            • 3.Sf3#
      • 1...Kf6
        • 2.Seg6+
          • 2...Kg7
            • 3.Qh8#
      • 1...Bd5
        • 2.Seg6+
          • 2...Kd4
            • 3.Sf3#
            • 3.Qf6#
            • 3.Qh8#
      • 1...f3
        • 2.Qd4+
          • 2...Kxd4
            • 3.Sxf3#
      • 1...Bh5
        • 2.Sc8
          • threat
            • 3.Qd6#
          • 2...Rd5
            • 3.Qh8#
      • 1...c3
        • 2.Seg6+
          • 2...Bxg6
            • 3.d4#

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).