Problem Display
PID: 274569 (3r1r2/N4PB1/2QpPR1P/p3k2p/1n6/2P1ppP1/2R1b1P1/1K6 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Pat a Mat, 2023

3r1r2/N4PB1/2QpPR1P/p3k2p/1n6/2P1ppP1/2R1b1P1/1K6

#4

12 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.c4!
      • threat
        • 2.Qe4+
          • 2...Kxe4
            • 3.Rf4+
              • 3...Kd3
                • 4.Rd4#
      • 1...Rxf7
        • 2.Rf4+
          • 2...Kxe6
            • 3.Qe4+
              • 3...Kd7
                • 4.Rxf7#
      • 1...Bxc4
        • 2.Qxc4
          • threat
            • 3.Rxf3#
            • 3.Rf4#
          • 2...Rg8
            • 3.Rf4+
              • 3...Rxg7
                • 4.Qe4#
      • 1...Sxc6
        • 2.Sxc6+
          • 2...Ke4
            • 3.Rf4+
              • 3...Kd3
                • 4.Rd4#
      • 1...Bd3
        • 2.Qd5+
          • 2...Sxd5
            • 3.Sc6+
              • 3...Ke4
                • 4.gxf3#

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).