Problem Display
PID: 123975 (2R3n1/k1p5/pppN4/4p3/b7/1p6/8/1Q4K1 w - - 0 1)

Krivohlavek, Josef

Zemedelske noviny, 1988

2R3n1/k1p5/pppN4/4p3/b7/1p6/8/1Q4K1

#3

4 + 9


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...cxd6
      • 2.Qh7+
        • 2...Se7
          • 3.Qxe7#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Qxa6+
          • 2...Kxa6
            • 3.Ra8#
      • 1...cxd6
        • 2.Qh7+
          • 2...Se7
            • 3.Qxe7#
      • 1...b5
        • 2.Qe3+
          • 2...c5
            • 3.Qxc5#
      • 1...a5
        • 2.Qa6+
          • 2...Kxa6
            • 3.Ra8#
      • 1...Bb5!
    • 1.Qf5?
      • threat
        • 2.Rxc7+
          • 2...Ka8
            • 3.Qc8#
            • 3.Qf8#
          • 2...Kb8
            • 3.Qc8#
      • 1...a5
        • 2.Rxc7+
          • 2...Ka6
            • 3.Qc8#
          • 2...Ka8
            • 3.Qc8#
            • 3.Qf8#
          • 2...Kb8
            • 3.Qc8#
      • 1...b5
        • 2.Qf2+
          • 2...c5
            • 3.Qxc5#
      • 1...Sf6
        • 2.Rxc7+
          • 2...Ka8
            • 3.Qc8#
          • 2...Kb8
            • 3.Qc8#
      • 1...c5
        • 2.Rxc7+
          • 2...Ka8
            • 3.Qc8#
          • 2...Kb8
            • 3.Qc8#
      • 1...Se7!
    • 1.Qh7?
      • threat
        • 2.Qxc7#
      • 1...a5
        • 2.Rxc7+
          • 2...Ka6
            • 3.Ra7#
          • 2...Ka8
            • 3.Rc8#
            • 3.Qxg8#
          • 2...Kb8
            • 3.Rc8#
        • 2.Qxc7+
          • 2...Ka6
            • 3.Ra8#
            • 3.Qb7#
      • 1...Se7!
  • Keys
    • 1.Qf1!
      • threat
        • 2.Qxa6+
          • 2...Kxa6
            • 3.Ra8#
      • 1...cxd6
        • 2.Qf7+
          • 2...Se7
            • 3.Qxe7#
      • 1...b5
        • 2.Qf2+
          • 2...c5
            • 3.Qxc5#
      • 1...Bb5
        • 2.Qf8
          • threat
            • 3.Rxc7#
            • 3.Ra8#
          • 2...cxd6
            • 3.Rc7#
      • 1...a5
        • 2.Qa6+
          • 2...Kxa6
            • 3.Ra8#

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).