Problem Display
PID: 103091 (6n1/2Q1p3/1BPp1r2/3P1qR1/2N1kN2/R3Pb2/6p1/1K4b1 w - - 0 1)

Levman, Semyon Semyonovich

Shakhmaty, 1963

6n1/2Q1p3/1BPp1r2/3P1qR1/2N1kN2/R3Pb2/6p1/1K4b1

#3

10 + 9


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Qh3
      • 2.Sd2#
    • 1...Qg4
      • 2.Sd2#
    • 1...Qe6
      • 2.Sd2#
    • 1...Qg6
      • 2.Sd2#
    • 1...Qd7
      • 2.Sd2#
    • 1...Qh7
      • 2.Sd2#
    • 1...Qc8
      • 2.Sd2#
    • 1...Qxf4
      • 2.Sd2#
    • 1...Qe5
      • 2.Sd2#
    • 1...e5
      • 2.Sd2#
  • Tries
    • 1.Qxe7+?
      • 1...Re6
        • 2.Sxd6+
          • 2...Ke5+
            • 3.Rxf5#
        • 2.Qxe6+
          • 2...Qxe6
            • 3.Sd2#
          • 2...Qe5
            • 3.Sd2#
            • 3.Sxd6#
      • 1...Sxe7!
  • Keys
    • 1.Ra4!
      • threat
        • 2.Sb2+
          • 2...Ke5+
            • 3.Sbd3#
      • 1...Qxg5
        • 2.Sxd6+
          • 2...Ke5
            • 3.Bd4#
      • 1...Bxe3
        • 2.Sxe3+
          • 2...Ke5+
            • 3.Sd3#
      • 1...Bd1
        • 2.Sd2+
          • 2...Ke5+
            • 3.Re4#
      • 1...Be2
        • 2.Sd2+
          • 2...Ke5+
            • 3.Re4#
      • 1...Bg4
        • 2.Sd2+
          • 2...Ke5+
            • 3.Re4#
      • 1...Bh5
        • 2.Sd2+
          • 2...Ke5+
            • 3.Re4#
      • 1...Re6
        • 2.Sxd6+
          • 2...Ke5+
            • 3.Rxf5#
      • 1...Rg6
        • 2.Sxd6+
          • 2...Ke5+
            • 3.Rxf5#
      • 1...Rh6
        • 2.Sxd6+
          • 2...Ke5+
            • 3.Rxf5#
      • 1...Rf7
        • 2.Sxd6+
          • 2...Ke5+
            • 3.Se4#
      • 1...Rf8
        • 2.Sxd6+
          • 2...Ke5+
            • 3.Se4#

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).