Problem Display
PID: 278100 (3K3Q/7p/8/R2N1P1r/4k2p/1Pppp3/3pP1r1/4n2B w - - 0 1)

Makaronets, Leonid

Phenix, 2007

3K3Q/7p/8/R2N1P1r/4k2p/1Pppp3/3pP1r1/4n2B

#3

8 + 10


SOLUTION


  • SOUND
  • Tries
    • 1.Sf6+?
      • 1...Kd4
        • 2.Rd5#
      • 1...Kf4!
    • 1.Bxg2+?
      • 1...Kxf5
        • 2.Qf6+
          • 2...Kg4
            • 3.Qf4#
      • 1...Sf3
        • 2.Bxf3+
          • 2...Kxf5
            • 3.Qf6#
        • 2.exf3+
          • 2...Kxf5
            • 3.Qf6#
      • 1...Sxg2!
    • 1.Ra4+?
      • 1...Kxf5
        • 2.Qf6#
      • 1...Kxd5!
    • 1.Qd4+?
      • 1...Kxf5
        • 2.Qf4+
          • 2...Ke6
            • 3.Sc7#
            • 3.Qf6#
          • 2...Kg6
            • 3.Qf6#
      • 1...Kxd4!
    • 1.Qe8+?
      • 1...Kd4
        • 2.Qxe3#
      • 1...Kxf5!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Qg4+
          • 2...Ke5
            • 3.Qf4#
      • 1...Kxf5
        • 2.Se7+
          • 2...Ke4
            • 3.Ra4#
            • 3.Qg4#
          • 2...Kf4
            • 3.Ra4#
          • 2...Ke6
            • 3.Ra6#
      • 1...Rxf5
        • 2.Sxc3+
          • 2...Kf4
            • 3.Ra4#
      • 1...dxe2
        • 2.Qg4+
          • 2...Kd3
            • 3.Sb4#
          • 2...Ke5
            • 3.Qf4#
      • 1...Rg5
        • 2.Sf6+
          • 2...Kd4
            • 3.Rd5#
            • 3.Qa7#
            • 3.Qd7#
          • 2...Kf4
            • 3.Qc7#
      • 1...Sf3
        • 2.exf3+
          • 2...Kxf3
            • 3.Qxg2#
          • 2...Kxf5
            • 3.Qf6#

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).