Problem Display
PID: 64680 (2N3K1/3p2n1/rRp5/n2k1p1p/1P4p1/2PP4/b1B1QN2/8 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

StrateGems, 2005

2N3K1/3p2n1/rRp5/n2k1p1p/1P4p1/2PP4/b1B1QN2/8

#3

9 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...f4
      • 2.Qe4#
    • 1...h4
      • 2.Sxg4
        • threat
          • 3.Sf6#
          • 3.Qe5#
        • 2...fxg4
          • 3.Qe4#
    • 1...c5
      • 2.Se7#
    • 1...d6
      • 2.Se7#
  • Tries
    • 1.Sxg4?
      • threat
        • 2.Sf6#
        • 2.Qe5#
      • 1...fxg4
        • 2.Qe4#
      • 1...Sc4
        • 2.Sf6#
      • 1...Se8
        • 2.Qe5#
      • 1...d6
        • 2.Sf6#
        • 2.Se7#
      • 1...hxg4!
    • 1.Rb5+?
      • 1...c5
        • 2.Rxc5#
      • 1...cxb5!
  • Keys
    • 1.d4!
      • threat
        • 2.Qe5+
          • 2...Kc4
            • 3.Qc5#
      • 1...Sb3
        • 2.Se7+
          • 2...Kd6
            • 3.Qe5#
      • 1...Sc4
        • 2.Sd3
          • threat
            • 3.Sf4#
          • 2...Se6
            • 3.Qg2#
          • 2...f4
            • 3.Sxf4#
      • 1...Sb7
        • 2.Bd3
          • threat
            • 3.Qe5#
          • 2...d6
            • 3.Se7#
      • 1...Se6
        • 2.Se4
          • threat
            • 3.Sf6#
            • 3.Se7#
          • 2...fxe4
            • 3.Bxe4#

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).