Problem Display
PID: 280451 (K7/5B2/8/8/4kp1P/N7/8/6Q1 w - - 0 1)

Petrasinovic, Petrasin

Comm., Zadachi i Etyudi, 2024

K7/5B2/8/8/4kp1P/N7/8/6Q1

#4

5 + 2


5454 Near Snap 2025

SOLUTION


  • SOUND
  • Keys
    • 1.Sb5!
      • threat
        • 2.Bg6+
          • 2...Kd5
            • 3.Qd4+
              • 3...Kc6
                • 4.Be8#
              • 3...Ke6
                • 4.Qd6#
          • 2...Ke5
            • 3.Qd4+
              • 3...Ke6
                • 4.Qd6#
      • 1...Kd3
        • 2.Qf2
          • 2...Ke4
            • 3.Qe2+
              • 3...Kf5
                • 4.Qe6#
          • 2...f3
            • 3.Be6
              • 3...Ke4
                • 4.Qd4#
      • 1...Kf3
        • 2.Bc4
          • 2...Ke4
            • 3.Qg4
              • 3...Ke3
                • 4.Qe2#
              • 3...Ke5
                • 4.Qe6#
      • 1...Ke5
        • 2.Qg6
          • 2...f3
            • 3.Qg5+
              • 3...Ke4
                • 4.Bg6#

Anticipated by 212065(2018)

This anticipates 283520(2025)

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).