Problem Display
PID: 252376 (7B/P6R/1p1P2R1/1rbB1pp1/1r3k2/1p2pPp1/pP2Q1Pn/K7 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Schweizerische Schachzeitung, 2004

7B/P6R/1p1P2R1/1rbB1pp1/1r3k2/1p2pPp1/pP2Q1Pn/K7

#4

11 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Rf7!
      • threat
        • 2.Qd3
          • threat
            • 3.Rxf5#
            • 3.Qxf5#
          • 2...Re4
            • 3.Qxe4#
      • 1...Bxd6
        • 2.Qd3
          • threat
            • 3.Rxf5#
            • 3.Qxf5#
          • 2...Rxd5
            • 3.Qxd5
              • threat
                • 4.Rxf5#
                • 4.Qxf5#
                • 4.Qxd6#
              • 3...e2
                • 4.Qd2#
              • 3...Be5
                • 4.Bxe5#
                • 4.Qxe5#
      • 1...Rd4
        • 2.Be5+
          • 2...Kxe5
            • 3.Re7+
              • 3...Kf4
                • 4.Qxe3#
              • 3...Kxd5
                • 4.a8Q#
                • 4.a8B#
      • 1...Bd4
        • 2.Rxf5+
          • 2...Kxf5
            • 3.Qd3+
              • 3...Kf4
                • 4.Qe4#

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).