Problem Display
PID: 166039 (6Q1/8/1P2N3/4k2P/7B/8/8/6K1 w - - 0 1)

Petrasinovic, Petrasin

2nd Comm., Rochade Europa, 2014-2015

6Q1/8/1P2N3/4k2P/7B/8/8/6K1

#4

6 + 1


23 Die Schwalbe 2017
5454 Near Snap 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Bf2!
      • 1...Ke4
        • 2.Sd4
          • 2...Kd3
            • 3.Qc8
              • threat
                • 4.Qc2#
              • 3...Kd2
                • 4.Qc2#
              • 3...Ke4
                • 4.Qf5#
          • 2...Kf4
            • 3.Qd5
              • 3...Kg4
                • 4.Qf5#
          • 2...Ke5
            • 3.Qe6+
              • 3...Kf4
                • 4.Qf5#
      • 1...Kd5
        • 2.Sc5+
          • 2...Ke5
            • 3.Qf7
              • 3...Kd6
                • 4.Qe6#
          • 2...Kc6
            • 3.Qb3
              • 3...Kd6
                • 4.Qe6#
      • 1...Kf5
        • 2.Qg6+
          • 2...Ke5
            • 3.Sg7
              • 3...Kf4
                • 4.Qf5#
              • 3...Kd5
                • 4.Qe6#
      • 1...Kd6
        • 2.Sc5
          • threat
            • 3.Qe6#
          • 2...Ke5
            • 3.Qf7
              • 3...Kd6
                • 4.Qe6#
          • 2...Kc6
            • 3.Qb3
              • 3...Kd6
                • 4.Qe6#
          • 2...Ke7
            • 3.Bd4
              • 3...Kd6
                • 4.Qe6#
      • 1...Kf6
        • 2.Bd4+
          • 2...Ke7
            • 3.Sc5
              • 3...Kd6
                • 4.Qe6#

This anticipates 236034(2020)

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).