Problem Display
PID: 269614 (8/2p5/Q3N3/2P1p1B1/3pk3/8/P6K/8 w - - 0 1)

Petrasinovic, Petrasin

Shakhmatnaya Poeziya, 2007

8/2p5/Q3N3/2P1p1B1/3pk3/8/P6K/8

#4

6 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Bh6!
      • threat
        • 2.Qc6+
          • 2...Kd3
            • 3.Qf3+
              • 3...Kc2
                • 4.Qb3#
              • 3...Kc4
                • 4.Qb3#
          • 2...Kf5
            • 3.Sg7+
              • 3...Kg4
                • 4.Qe4#
      • 1...Kf3
        • 2.Qd3+
          • 2...Kf2
            • 3.Bg5
              • threat
                • 4.Bh4#
              • 3...Ke1
                • 4.Bh4#
      • 1...Kd5
        • 2.Sxc7+
          • 2...Ke4
            • 3.Qg6+
              • 3...Kf3
                • 4.Qg2#
      • 1...Kf5
        • 2.Sxc7
          • 2...Ke4
            • 3.Qg6+
              • 3...Kf3
                • 4.Qg2#
          • 2...Kg4
            • 3.Qg6+
              • 3...Kf3
                • 4.Qg2#
              • 3...Kh4
                • 4.Qg5#
          • 2...d3
            • 3.Qe6+
              • 3...Ke4
                • 4.Qg4#
      • 1...c6
        • 2.Qxc6+
          • 2...Kd3
            • 3.Qf3+
              • 3...Kc2
                • 4.Qb3#
              • 3...Kc4
                • 4.Qb3#
          • 2...Kf5
            • 3.Sg7+
              • 3...Kg4
                • 4.Qe4#
      • 1...d3
        • 2.Qc6+
          • 2...Kf5
            • 3.Sg7+
              • 3...Kg4
                • 4.Qe4#

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).