Problem Display
PID: 81863 (6BQ/1p2pr2/1p3n2/pR1P1P2/P1k1P1bR/2Pp1p2/K6n/1N6 w - - 0 1)

Bantysh, Nikolai Ivanovich

Belchikov, Nikolai Ivanovich

Volchek, Viktor Fedorovich

The Problemist, 2008

6BQ/1p2pr2/1p3n2/pR1P1P2/P1k1P1bR/2Pp1p2/K6n/1N6

#3

11 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Sxe4
      • 2.Sa3#
      • 2.Qd4#
    • 1...Sxd5
      • 2.Sd2#
      • 2.Sa3#
      • 2.Qd4#
    • 1...Sh5
      • 2.Sd2#
      • 2.Sa3#
      • 2.Qd4#
    • 1...Sd7
      • 2.Sd2#
      • 2.Sa3#
      • 2.Qd4#
    • 1...Sh7
      • 2.Sd2#
      • 2.Sa3#
      • 2.Qd4#
    • 1...Se8
      • 2.Sd2#
      • 2.Sa3#
      • 2.Qd4#
    • 1...Sxg8
      • 2.Sd2#
      • 2.Sa3#
      • 2.Qd4#
  • Tries
    • 1.Kb2?
      • threat
        • 2.Sd2#
        • 2.Sa3#
      • 1...Sxe4
        • 2.Sa3#
        • 2.Qd4#
      • 1...Sf1
        • 2.Sa3#
      • 1...d2!
    • 1.Bxf7?
      • threat
        • 2.Qc8#
      • 1...Bxf5
        • 2.exf5+
          • 2...Shg4
            • 3.Qc8#
          • 2...Se4
            • 3.Sd2#
            • 3.Sa3#
            • 3.Rxe4#
            • 3.Qd4#
            • 3.Qc8#
          • 2...Sfg4
            • 3.Sd2#
            • 3.Sa3#
            • 3.Qd4#
            • 3.Qc8#
        • 2.d6+
          • 2...Be6
            • 3.Qc8#
          • 2...Sd5
            • 3.Sd2#
            • 3.Sa3#
            • 3.Bxd5#
            • 3.Qd4#
          • 2...e6
            • 3.Qc8#
      • 1...d2!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qd2
          • threat
            • 3.Sa3#
      • 1...Sxe4
        • 2.Qf4
          • threat
            • 3.Qxe4#
          • 2...Bxf5
            • 3.Qc7#
      • 1...Sxd5
        • 2.Qe6
          • threat
            • 3.Qxd5#
          • 2...Rxf5
            • 3.Qc8#
      • 1...d2
        • 2.Qxd2
          • threat
            • 3.Sa3#
            • 3.Qd4#
        • 2.Qe3
          • threat
            • 3.Sxd2#
            • 3.Sa3#
            • 3.Qd4#
      • 1...Sf1
        • 2.Qc1
          • threat
            • 3.Sa3#
          • 2...d2
            • 3.Qxf1#

FEATURES


NOT CLASSIFIED


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).