Problem Display
PID: 135036 (3B4/8/2B1P3/4p1R1/Qp2rk2/1N2b3/2N1n1KP/2n5 w - - 0 1)

Petraitis, Vadim

Probleemblad, 2009

3B4/8/2B1P3/4p1R1/Qp2rk2/1N2b3/2N1n1KP/2n5

#3

9 + 7


SOLUTION


  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qa7
        • threat
          • 3.Qf7#
        • 2...Rxd8
          • 3.Qxe3#
        • 2...Rd5
          • 3.Qxe3#
        • 2...Rd7
          • 3.Qxe3#
        • 2...Sg3
          • 3.hxg3#
    • 1...Bd4
      • 2.Qxb4
        • threat
          • 3.Qf8#
        • 2...Bc5
          • 3.Qxe4#
        • 2...Sg3
          • 3.hxg3#
    • 1...Sg3
      • 2.hxg3#
    • 1...Sd4
      • 2.Sxb4
        • threat
          • 3.Sd5#
  • Tries
    • 1.Qxb4?
      • threat
        • 2.Qf8#
        • 2.Qxe4#
      • 1...Sd4
        • 2.Sbxd4
          • threat
            • 3.Qf8#
        • 2.Qf8+
          • 2...Sf5
            • 3.Qxf5#
      • 1...Rxb4!
    • 1.Qa7?
      • threat
        • 2.Qf7#
      • 1...Sd4
        • 2.Sxb4
          • threat
            • 3.Sd5#
        • 2.Sbxd4
          • threat
            • 3.Qf7#
        • 2.Qf7+
          • 2...Sf5
            • 3.Qxf5#
        • 2.Qh7
          • threat
            • 3.Qxe4#
            • 3.Qh4#
          • 2...Sf5
            • 3.Qxf5#
      • 1...Bxa7!
  • Keys
    • 1.Sbd4!
      • threat
        • 2.Rf5+
          • 2...Kg4
            • 3.h3#
      • 1...Rxd4
        • 2.Qa7
          • threat
            • 3.Qf7#
          • 2...Rxd8
            • 3.Qxe3#
          • 2...Rd5
            • 3.Qxe3#
          • 2...Rd7
            • 3.Qxe3#
          • 2...Sg3
            • 3.hxg3#
      • 1...Bxd4
        • 2.Qxb4
          • threat
            • 3.Qf8#
          • 2...Bc5
            • 3.Qxe4#
          • 2...Sg3
            • 3.hxg3#
      • 1...Sxd4
        • 2.Sxb4
          • threat
            • 3.Sd5#
      • 1...exd4
        • 2.Qb5
          • threat
            • 3.Qf5#
          • 2...Re5
            • 3.Qxe5#
          • 2...Sg3
            • 3.hxg3#
        • 2.Qa5
          • threat
            • 3.Qf5#
          • 2...Re5
            • 3.Qxe5#
          • 2...Sg3
            • 3.hxg3#
      • 1...Sg1
        • 2.Qxb4
          • threat
            • 3.Qf8#
        • 2.Qa7
          • threat
            • 3.Qf7#

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).