Problem Display
PID: 187502 (4b2b/N1p2p1N/1pP2Q2/1Ppk1P1K/3p3n/1P1Bp3/5P2/5r2 w - - 0 1)

Koci, Vladimir

Die Schwalbe, 2018

4b2b/N1p2p1N/1pP2Q2/1Ppk1P1K/3p3n/1P1Bp3/5P2/5r2

#3

10 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...c4
      • 2.bxc4+
        • 2...Kc5
          • 3.Qe7#
  • Tries
    • 1.Sg5?
      • threat
        • 2.Bc4#
        • 2.Be4#
      • 1...c4
        • 2.Bxc4+
          • 2...Kc5
            • 3.Qe7#
        • 2.Be4+
          • 2...Kc5
            • 3.Qe7#
        • 2.bxc4+
          • 2...Kc5
            • 3.Qe7#
      • 1...Bxf6!
    • 1.Qe7?
      • threat
        • 2.Bc4#
        • 2.Be4#
      • 1...Be5
        • 2.Sf6+
          • 2...Bxf6
            • 3.Bc4#
            • 3.Be4#
      • 1...f6+!
    • 1.Qd8+?
      • 1...Ke5
        • 2.Qe7+
          • 2...Kf4
            • 3.Qe4#
          • 2...Kd5
            • 3.Bc4#
            • 3.Be4#
      • 1...Bd7!
  • Keys
    • 1.f4!
      • threat
        • 2.Qd8+
          • 2...Bd7
            • 3.Qxd7#
      • 1...Rxf4
        • 2.Bc4+
          • 2...Ke4
            • 3.Sg5#
      • 1...Bxf6
        • 2.Sxf6+
          • 2...Kd6
            • 3.Sc8#
      • 1...Sxf5
        • 2.Qxf5+
          • 2...Kd6
            • 3.Sc8#
          • 2...Be5
            • 3.Qxe5#
      • 1...c4
        • 2.bxc4+
          • 2...Kc5
            • 3.Qe7#
      • 1...Bd7
        • 2.Qxf7+
          • 2...Kd6
            • 3.Qxd7#
          • 2...Be6
            • 3.Qxe6#

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).