Problem Display
PID: 197105 (8/7N/8/4k3/8/8/B2P4/1K5Q w - - 0 1)

Petrasinovic, Petrasin

The Problemist, 2018

8/7N/8/4k3/8/8/B2P4/1K5Q

#4

5 + 1


3713 Snap 2023

SOLUTION


  • SOUND
  • Keys
    • 1.Qg1!
      • 1...Ke4
        • 2.Be6
          • threat
            • 3.Qe3#
          • 2...Kf3
            • 3.Kc2
              • 3...Ke2
                • 4.Bg4#
              • 3...Ke4
                • 4.Qe3#
              • 3...Kf4
                • 4.Qe3#
          • 2...Ke5
            • 3.Qb6
              • 3...Ke4
                • 4.Qe3#
              • 3...Kf4
                • 4.Qe3#
      • 1...Kf4
        • 2.Be6
          • threat
            • 3.Qe3#
          • 2...Kf3
            • 3.Kc2
              • 3...Ke2
                • 4.Bg4#
              • 3...Ke4
                • 4.Qe3#
              • 3...Kf4
                • 4.Qe3#
          • 2...Ke5
            • 3.Qb6
              • 3...Ke4
                • 4.Qe3#
              • 3...Kf4
                • 4.Qe3#
      • 1...Kf5
        • 2.Qg3
          • 2...Ke4
            • 3.Be6
              • 3...Kd4
                • 4.Qe3#
      • 1...Kd6
        • 2.Qb6+
          • 2...Ke5
            • 3.Be6
              • 3...Ke4
                • 4.Qe3#
              • 3...Kf4
                • 4.Qe3#
          • 2...Kd7
            • 3.Bf7
              • 3...Ke7
                • 4.Qc7#
              • 3...Kc8
                • 4.Be6#
          • 2...Ke7
            • 3.Qc7+
              • 3...Ke8
                • 4.Bf7#

This anticipates 269379(2018)

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).