Problem Display
PID: 168047 (4B2Q/4kNR1/2p2p2/3p2p1/1n4b1/8/6p1/6K1 w - - 0 1)

Mach, Julius Zdenek

1st HM., Polski Zwiazek Problemistow, 1947

4B2Q/4kNR1/2p2p2/3p2p1/1n4b1/8/6p1/6K1

#3

5 + 8


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...c5
      • 2.Sxg5+
        • 2...Kd6
          • 3.Qh2#
        • 2...Kd8
          • 3.Ba4#
          • 3.Bb5#
          • 3.Bh5#
          • 3.Bc6#
          • 3.Bg6#
      • 2.Sd8+
        • 2...Kd6
          • 3.Qh2#
        • 2...Kxd8
          • 3.Ba4#
          • 3.Bb5#
          • 3.Bh5#
          • 3.Bc6#
          • 3.Bg6#
  • Tries
    • 1.Sxg5+?
      • 1...Kd8
        • 2.Bh5#
        • 2.Bxc6#
        • 2.Bg6#
      • 1...Kd6!
    • 1.Sd8+?
      • 1...Kxd8
        • 2.Bh5#
        • 2.Bxc6#
        • 2.Bg6#
      • 1...Kd6!
    • 1.Bxc6?
      • threat
        • 2.Qe8#
      • 1...Ke6
        • 2.Qc8+
          • 2...Ke7
            • 3.Qe8#
      • 1...f5
        • 2.Qd8+
          • 2...Ke6
            • 3.Bd7#
            • 3.Qd6#
        • 2.Qe8+
          • 2...Kf6
            • 3.Qe5#
      • 1...Bd7
        • 2.Qd8+
          • 2...Ke6
            • 3.Bxd7#
            • 3.Qxd7#
      • 1...Sxc6!
    • 1.Qf8+?
      • 1...Ke6
        • 2.Bd7+
          • 2...Kxd7
            • 3.Sxg5#
      • 1...Kxf8!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qd6+
          • 2...Kxe8
            • 3.Qd8#
      • 1...Ke6
        • 2.Sd8+
          • 2...Kf5
            • 3.Bg6#
      • 1...Kxe8
        • 2.Sd6+
          • 2...Kd8
            • 3.Qh8#
          • 2...Kf8
            • 3.Qh8#
      • 1...Kf8
        • 2.Rg8+
          • 2...Ke7
            • 3.Qd6#
          • 2...Kxg8
            • 3.Qh8#
      • 1...Bd7
        • 2.Sd6+
          • 2...Ke6
            • 3.Bxd7#
          • 2...Kd8
            • 3.Rxd7#
          • 2...Kf8
            • 3.Qh8#

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).