Problem Display
PID: 287484 (4n3/4RpP1/r2P3N/1Ppk1P1p/p1N2br1/p1Q1p1p1/4p3/2K1n3 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Sachmatija, 2026

4n3/4RpP1/r2P3N/1Ppk1P1p/p1N2br1/p1Q1p1p1/4p3/2K1n3

#4

9 + 14


SOLUTION


  • SOUND
  • Keys
    • 1.Sg8!
      • threat
        • 2.Re5+
          • 2...Bxe5
            • 3.Se7+
              • 3...Ke4
                • 4.Qxe3#
      • 1...Ra7
        • 2.Sf6+
          • 2...Sxf6
            • 3.Sb6+
              • 3...Kxd6
                • 4.Qxf6#
      • 1...Sc2
        • 2.Re5+
          • 2...Bxe5
            • 3.Qd3+
              • 3...Rd4
                • 4.Se7#
              • 3...Bd4
                • 4.Se7#
              • 3...Sd4
                • 4.Se7#
        • 2.Qd3+
          • 2...Sd4
            • 3.Re5+
              • 3...Bxe5
                • 4.Se7#
      • 1...Sf3
        • 2.Qd3+
          • 2...Sd4
            • 3.Re5+
              • 3...Bxe5
                • 4.Se7#
      • 1...f6
        • 2.Re6
          • threat
            • 3.Se7#
          • 2...Rxg7
            • 3.Sxa3
              • threat
                • 4.Qc4#
              • 3...Sd3+
                • 4.Qxd3#
              • 3...Sxd6
                • 4.Sxf6#
              • 3...c4
                • 4.Qxc4#
          • 2...Be5
            • 3.Sxf6+
              • 3...Bxf6
                • 4.Sxe3#
              • 3...Sxf6
                • 4.Rxe5#
            • 3.Se7+
              • 3...Ke4
                • 4.Qxe3#

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).