Problem Display
PID: 46424 (5N1r/1Bp2r1q/p2bpP2/P1k5/Q2p1P2/1p1p2Nb/1P2P3/K7 w - - 0 1)

Makaronets, Leonid

Shifrin, Semion

5th Prize, StrateGems, 2003

5N1r/1Bp2r1q/p2bpP2/P1k5/Q2p1P2/1p1p2Nb/1P2P3/K7

#4

10 + 12


145 StrateGems 2005

SOLUTION


  • SOUND
  • Keys
    • 1.e3!
      • threat
        • 2.exd4#
      • 1...dxe3
        • 2.Qc6+
          • 2...Kb4
            • 3.Qc3+
              • 3...Ka4
                • 4.Bc6#
              • 3...Kb5
                • 4.Bc6#
      • 1...Be5
        • 2.Qc6+
          • 2...Kb4
            • 3.Bxa6
              • threat
                • 4.Qb5#
              • 3...Kxa5
                • 4.Qb5#
      • 1...e5
        • 2.f5
          • threat
            • 3.Se4#
            • 3.Se6#
          • 2...Qxf5
            • 3.Se6+
              • 3...Qxe6
                • 4.Se4#
          • 2...Bxf5
            • 3.Se4+
              • 3...Bxe4
                • 4.Se6#
          • 2...c6
            • 3.Se4+
              • 3...Kd5
                • 4.Bxc6#
                • 4.Qxc6#
            • 3.Se6+
              • 3...Kd5
                • 4.Bxc6#
                • 4.Qxb3#
                • 4.Qxc6#
                • 4.e4#

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).