Problem Display
PID: 100807 (4r3/5b2/4ppp1/Q2NkN2/2p1P3/p4p2/5B2/1nK5 w - - 0 1)

Drnek, Josef

Narodni osvobozeni, 1925

4r3/5b2/4ppp1/Q2NkN2/2p1P3/p4p2/5B2/1nK5

#3

6 + 10


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sxf6+?
      • 1...Kf4
        • 2.Be3#
      • 1...Kxf6!
    • 1.Qc3+?
      • 1...Kxe4
        • 2.Qd4+
          • 2...Kxf5
            • 3.Qf4#
      • 1...Sxc3!
    • 1.Qb6?
      • threat
        • 2.Qd4#
      • 1...Kxe4
        • 2.Qd4+
          • 2...Kxf5
            • 3.Qf4#
      • 1...exd5
        • 2.Bg3+
          • 2...Kxe4
            • 3.Qxb1#
      • 1...exf5
        • 2.Qxf6+
          • 2...Kxe4
            • 3.Qd4#
      • 1...gxf5!
  • Keys
    • 1.Kc2!
      • threat
        • 2.Bg3+
          • 2...Kxe4
            • 3.Sxf6#
      • 1...Kxe4
        • 2.Sxf6+
          • 2...Kf4
            • 3.Be3#
      • 1...exd5
        • 2.Qc7+
          • 2...Kxe4
            • 3.Sg3#
          • 2...Ke6
            • 3.Sd4#
            • 3.Sg7#
            • 3.Qd6#
      • 1...exf5
        • 2.Qc7+
          • 2...Kxe4
            • 3.Sxf6#
          • 2...Ke6
            • 3.Sf4#
      • 1...gxf5
        • 2.Qc7+
          • 2...Kxe4
            • 3.Sxf6#
      • 1...Sd2
        • 2.Bg3+
          • 2...Kxe4
            • 3.Sc3#
            • 3.Sxf6#
      • 1...Sc3
        • 2.Bg3+
          • 2...Kxe4
            • 3.Sxc3#
            • 3.Sxf6#

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).