Problem Display
PID: 269384 (8/8/3p1B1K/1pk5/1N6/8/8/1Q6 w - - 0 1)

Petrasinovic, Petrasin

Problem Paradise, 2021

8/8/3p1B1K/1pk5/1N6/8/8/1Q6

#4

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Bd8!
      • 1...Kc4
        • 2.Qb2
          • threat
            • 3.Bf6
              • threat
                • 4.Qc3#
              • 3...Kc5
                • 4.Qd4#
          • 2...d5
            • 3.Be7
              • 3...d4
                • 4.Qc2#
      • 1...Kd4
        • 2.Qd3+
          • 2...Ke5
            • 3.Kg5
              • threat
                • 4.Qe3#
                • 4.Qd5#
              • 3...Ke6
                • 4.Qf5#
              • 3...d5
                • 4.Qxd5#
      • 1...d5
        • 2.Qb3
          • 2...Kd4
            • 3.Bc7
              • 3...Ke4
                • 4.Qd3#
              • 3...Kc5
                • 4.Qc3#
          • 2...d4
            • 3.Bc7
              • 3...d3
                • 4.Qc3#

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).