Problem Display
PID: 69067 (2B5/1Np3n1/Q1p1p3/p1Pkpb1R/6n1/2PppN2/1K1P4/8 w - - 0 1)

Rossomakho, Yakov V

Semenenko, Aleksandr

3rd Prize, Wageningen, 2006

2B5/1Np3n1/Q1p1p3/p1Pkpb1R/6n1/2PppN2/1K1P4/8

#3

9 + 11


102 Probleemblad 2006

SOLUTION


  • SOUND
  • Sets
    • 1...Be4
      • 2.c4#
    • 1...e4
      • 2.c4#
  • Tries
    • 1.Kb3?
      • threat
        • 2.Qc4#
      • 1...a4+
        • 2.Qxa4
          • threat
            • 3.Qc4#
      • 1...Ke4!
    • 1.Sxa5?
      • threat
        • 2.Qc4#
        • 2.Qxc6#
      • 1...Kxc5
        • 2.Qxc6#
      • 1...Ke4!
    • 1.Sd8?
      • threat
        • 2.Qxc6+
          • 2...Kc4
            • 3.Ba6#
      • 1...exd2
        • 2.Qxc6+
          • 2...Kc4
            • 3.Sxd2#
            • 3.Ba6#
      • 1...Sf2
        • 2.Qxc6+
          • 2...Kc4
            • 3.Sxe5#
            • 3.Ba6#
      • 1...Sh2
        • 2.Qxc6+
          • 2...Kc4
            • 3.Sxe5#
            • 3.Ba6#
      • 1...Sf6
        • 2.Qxc6+
          • 2...Kc4
            • 3.Sxe5#
            • 3.Ba6#
      • 1...Sh6
        • 2.Qxc6+
          • 2...Kc4
            • 3.Sxe5#
            • 3.Ba6#
      • 1...Ke4!
    • 1.Rxf5?
      • threat
        • 2.Qxd3#
      • 1...Sxf5
        • 2.Qxd3+
          • 2...Sd4
            • 3.c4#
      • 1...Ke4!
    • 1.Qxc6+?
      • 1...Kc4
        • 2.Sxa5#
      • 1...Kxc6!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qxc6+
          • 2...Kc4
            • 3.Sxa5#
      • 1...Ke4
        • 2.Qxc6+
          • 2...Kf4
            • 3.Qf3#
      • 1...exd4
        • 2.Qxd3
          • threat
            • 3.Qxd4#
          • 2...Ke5
            • 3.Qxd4#
          • 2...e5
            • 3.c4#
      • 1...a4
        • 2.Qxc6+
          • 2...Kc4
            • 3.Sa5#
      • 1...e4
        • 2.Sxc6
          • threat
            • 3.c4#
          • 2...Se5
            • 3.Se7#

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).