Problem Display
PID: 85188 (KN6/1n6/N2pR1pp/P2k4/r2pp3/bP5B/1BPppP1P/q2nQ2r w - - 0 1)

Makaronets, Leonid

Probleemblad, 1993

KN6/1n6/N2pR1pp/P2k4/r2pp3/bP5B/1BPppP1P/q2nQ2r

#4

12 + 14


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Re7!
      • threat
        • 2.Sc7+
          • 2...Kc5
            • 3.Sba6+
              • 3...Kc6
                • 4.Bd7#
      • 1...Rxa5
        • 2.c4+
          • 2...dxc4 ep
            • 3.Qxd2+
              • 3...cxd2
                • 4.Be6#
      • 1...Sxa5
        • 2.f4
          • threat
            • 3.Be6#
          • 2...exf4 ep
            • 3.Qxe2
              • threat
                • 4.Be6#
                • 4.Qxf3#
                • 4.Qe4#
                • 4.Qe6#
              • 3...fxe2
                • 4.Bg2#
      • 1...Rc4
        • 2.Qxe2
          • threat
            • 3.Qxc4#
            • 3.Qxe4#
            • 3.bxc4#
          • 2...Se3
            • 3.bxc4+
              • 3...Sxc4
                • 4.Qxe4#
            • 3.f3
              • threat
                • 4.fxe4#
              • 3...exf3
                • 4.Qxf3#
              • 3...Sc5
                • 4.Sc7#
              • 3...d3
                • 4.Be6#

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).