Problem Display
PID: 135572 (1q3B2/1Pb3Q1/R2rP1p1/3k2P1/3N3n/p2K1p2/4B3/1n6 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Satanovsky, Mikhail S

4th Prize, StrateGems, 2009

1q3B2/1Pb3Q1/R2rP1p1/3k2P1/3N3n/p2K1p2/4B3/1n6

#5

9 + 9


145 StrateGems 2010
56 The Problemist 2012

SOLUTION


  • SOUND
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qe5#
      • 1...Kc5+
        • 2.Qd4+
          • 2...Kb5
            • 3.Ke4+
              • 3...fxe2
                • 4.Qa4+
                  • 4...Kc5
                    • 5.Qb4#
      • 1...Kxe6+
        • 2.Sd4+
          • 2...Kd5
            • 3.Qf7+
              • 3...Ke5
                • 4.Bxd6+
                  • 4...Bxd6
                    • 5.Sc6#
      • 1...Rxc6
        • 2.Qd4+
          • 2...Kxe6
            • 3.Qf6+
              • 3...Kd5
                • 4.Qxc6+
                  • 4...Ke5
                    • 5.Qe4#
      • 1...Bb6
        • 2.Rxb6
          • threat
            • 3.Qe5#
          • 2...Rxc6
            • 3.Rb5+
              • 3...Rc5
                • 4.Rxc5+
                  • 4...Kxe6
                    • 5.Qe7#

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).