Problem Display
PID: 200526 (r1k1r2n/p1PRP3/p4P2/P4B1K/4pP2/1Rp1p3/1p6/3n4 w - - 0 1)

Makaronets, Leonid

Problemskak, 2010

r1k1r2n/p1PRP3/p4P2/P4B1K/4pP2/1Rp1p3/1p6/3n4

#4

9 + 11


SOLUTION


  • SOUND
  • Keys
    • 1.Rb4!
      • threat
        • 2.Rd8+
          • 2...Kxc7
            • 3.Rc4+
              • 3...Kb7
                • 4.Bxe4#
      • 1...b1Q
        • 2.Rxd1+
          • 2...Kxc7
            • 3.Rc4+
              • 3...Kb7
                • 4.Rxb1#
              • 3...Kb8
                • 4.Rxb1#
      • 1...b1B
        • 2.Rxd1+
          • 2...Kxc7
            • 3.Rc4+
              • 3...Kb7
                • 4.Rxb1#
              • 3...Kb8
                • 4.Rxb1#
      • 1...Sf2
        • 2.Rd3+
          • 2...Kxc7
            • 3.Rxc3+
              • 3...Kd6
                • 4.Rd4#

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).