Problem Display
PID: 80183 (2n2Q2/q7/b1r1p1P1/1P3PP1/2Nk1N1R/1R1Ppn1r/4P3/1B1K2b1 w - - 0 1)

Lyubashevsky, Leonid Abramovic

Tkachenko, Sergiy Ivanovich

Probleemblad, 2008

2n2Q2/q7/b1r1p1P1/1P3PP1/2Nk1N1R/1R1Ppn1r/4P3/1B1K2b1

#4

13 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qc3+
          • 2...Kc5
            • 3.d4+
              • 3...Sxd4
                • 4.Qb4#
      • 1...Rxc4
        • 2.Qxc4+
          • 2...Ke5
            • 3.Qxe6+
              • 3...Kd4
                • 4.Qd5#
      • 1...Qd7
        • 2.Sxe6+
          • 2...Kd5
            • 3.Rd4+
              • 3...Sxd4
                • 4.Sf4#
      • 1...Qg7
        • 2.Sd2+
          • 2...Ke5
            • 3.Sxf3+
              • 3...Kxf5
                • 4.Qe4#
              • 3...Rxf3
                • 4.d4#
          • 2...Rc4
            • 3.Qxc4+
              • 3...Ke5
                • 4.Qc5#

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).