Problem Display
PID: 206637 (8/1b4p1/1p4Qp/3kp3/1p6/p5P1/2R1p2K/2B5 w - - 0 1)

Makaronets, Leonid

Sachmatija, 2019

8/1b4p1/1p4Qp/3kp3/1p6/p5P1/2R1p2K/2B5

#4

5 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Rc7!
      • threat
        • 2.Qd3+
          • 2...Ke6
            • 3.Qd7+
              • 3...Kf6
                • 4.Qf7#
      • 1...Kd4
        • 2.Qd6+
          • 2...Ke4
            • 3.Rc4+
              • 3...Kf3
                • 4.Qf8#
              • 3...Kf5
                • 4.g4#
          • 2...Bd5
            • 3.Qxb4+
              • 3...Kd3
                • 4.Rc3#
              • 3...Bc4
                • 4.Qxc4#
      • 1...e4
        • 2.Be3
          • threat
            • 3.Qf5+
              • 3...Kd6
                • 4.Bf4#
          • 2...Ke5
            • 3.Re7+
              • 3...Kd5
                • 4.Qe6#
          • 2...Bc6
            • 3.Rxc6
              • threat
                • 4.Qd6#
                • 4.Qe6#
              • 3...Ke5
                • 4.Qe6#
          • 2...Bc8
            • 3.Qxb6
              • threat
                • 4.Rc5#
              • 3...Ke5
                • 4.Rc5#
      • 1...e1S
        • 2.Qf7+
          • 2...Ke4
            • 3.Rc4+
              • 3...Kd3
                • 4.Qf1#

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).