Problem Display
PID: 164551 (8/8/2p1pbq1/PpP1k1p1/3pP1rp/4P1pb/1K1N4/3Q1R2 w - - 0 1)

Makaronets, Leonid

Sachmatija, 2007

8/8/2p1pbq1/PpP1k1p1/3pP1rp/4P1pb/1K1N4/3Q1R2

#4

8 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.Qb3!
      • threat
        • 2.exd4+
          • 2...Kxd4
            • 3.Qc3#
      • 1...Qxe4
        • 2.Sc4+
          • 2...Kd5
            • 3.Sd6+
              • 3...Kxc5
                • 4.Sb7#
              • 3...Ke5
                • 4.Sf7#
          • 2...bxc4
            • 3.Qb8+
              • 3...Kd5
                • 4.Qd6#
      • 1...Rxe4
        • 2.Sf3+
          • 2...Kf5
            • 3.Sxd4+
              • 3...Kg4
                • 4.Qd1#
              • 3...Ke5
                • 4.Sxc6#
      • 1...b4
        • 2.Qxb4
          • threat
            • 3.Qxd4#
            • 3.Qb8#
            • 3.exd4#
          • 2...Qxe4
            • 3.Qb8+
              • 3...Kd5
                • 4.Qd6#
          • 2...Rxe4
            • 3.Qb8+
              • 3...Kd5
                • 4.Qd6#

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).