Problem Display
PID: 267452 (7b/pR3p1n/5n1p/r1k2KP1/1N6/1p1Q2P1/3P4/8 w - - 0 1)

Barsukov, Valery Nikolaevich

Zadachi i Etyudi, 2013

7b/pR3p1n/5n1p/r1k2KP1/1N6/1p1Q2P1/3P4/8

#4

7 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Kf4!
      • threat
        • 2.Qc3+
          • 2...Kd6
            • 3.Qc6#
        • 2.Qe3+
          • 2...Kc4
            • 3.Qc3#
          • 2...Kd6
            • 3.Qe7#
      • 1...Sh5+
        • 2.Ke3
          • threat
            • 3.Qd5#
          • 2...Sf4
            • 3.gxf4
              • threat
                • 4.Qd5#
              • 3...Bd4+
                • 4.Qxd4#
              • 3...Rb5
                • 4.Rxb5#
              • 3...Sf6
                • 4.Qd4#
      • 1...hxg5+
        • 2.Kf3
          • threat
            • 3.Qe3+
              • 3...Kc4
                • 4.Qc3#
              • 3...Kd6
                • 4.Qe7#
          • 2...g4+
            • 3.Ke3
              • threat
                • 4.Qd4#
              • 3...Sd5+
                • 4.Qxd5#
              • 3...Se4
                • 4.Qd5#
              • 3...Sh5
                • 4.Qd5#
              • 3...Sd7
                • 4.Qd5#
              • 3...Se8
                • 4.Qd5#
              • 3...Sg8
                • 4.Qd5#

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).