Problem Display
PID: 161902 (5Q2/2pB1n1r/2P4p/p2k4/2Np4/r2p2B1/1b1NP3/n5K1 w - - 0 1)

Makaronets, Leonid

Sachmatija, 2009

5Q2/2pB1n1r/2P4p/p2k4/2Np4/r2p2B1/1b1NP3/n5K1

#4

8 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Qe7!
      • threat
        • 2.Sb6+
          • 2...cxb6
            • 3.Qe6+
              • 3...Kc5
                • 4.Qc4#
      • 1...Rc3
        • 2.e4+
          • 2...dxe4 ep
            • 3.Sxe3+
              • 3...Kd4
                • 4.Sf3#
      • 1...Ra4
        • 2.Be6+
          • 2...Kxc6
            • 3.Qxc7+
              • 3...Kb5
                • 4.Qb6#
      • 1...Rh8
        • 2.Sb6+
          • 2...cxb6
            • 3.Qe6+
              • 3...Kc5
                • 4.Qc4#
            • 3.Qxf7+
              • 3...Kc5
                • 4.Qc4#

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).