Problem Display
PID: 220338 (3q4/2P4B/1Nbr1P2/3p1P2/1Prk1Bpb/6p1/1P1NP3/n1R2RK1 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Makaronets, Leonid

Suomen Shakki, 2003

3q4/2P4B/1Nbr1P2/3p1P2/1Prk1Bpb/6p1/1P1NP3/n1R2RK1

#4

13 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Rcd1!
      • threat
        • 2.Sb3+
          • 2...Ke4
            • 3.Rd4+
              • 3...Rxd4
                • 4.Sc5#
      • 1...Qxf6
        • 2.Sdxc4+
          • 2...Ke4
            • 3.Sxd6+
              • 3...Qxd6
                • 4.f6#
      • 1...Bxf6
        • 2.Sf3+
          • 2...Ke4
            • 3.Sg5+
              • 3...Bxg5
                • 4.f6#
      • 1...Sc2
        • 2.Sb1+
          • 2...Ke4
            • 3.Rd3
              • threat
                • 4.Sd2#
        • 2.Sb3+
          • 2...Ke4
            • 3.Rd4+
              • 3...Rxd4
                • 4.Sc5#
              • 3...Sxd4
                • 4.Sd2#
            • 3.Rd3
              • threat
                • 4.Sd2#
      • 1...Sb3
        • 2.Sxb3+
          • 2...Ke4
            • 3.Rd4+
              • 3...Rxd4
                • 4.Sc5#
            • 3.Rd3
              • threat
                • 4.Sd2#
                • 4.Re3#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).