Problem Display
PID: 269298 (8/4N3/8/1Bp3Q1/5p2/4k3/8/1K6 w - - 0 1)

Petrasinovic, Petrasin

Phenix, 2022

8/4N3/8/1Bp3Q1/5p2/4k3/8/1K6

#4

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Bf1!
      • threat
        • 2.Qe5+
          • 2...Kd2
            • 3.Qe2+
              • 3...Kc3
                • 4.Qb2#
          • 2...Kf2
            • 3.Qe2+
              • 3...Kg1
                • 4.Qg2#
              • 3...Kg3
                • 4.Sf5#
          • 2...Kf3
            • 3.Qe2+
              • 3...Kg3
                • 4.Sf5#
      • 1...Kd4
        • 2.Qxf4+
          • 2...Kc3
            • 3.Qc4+
              • 3...Kd2
                • 4.Qc1#
      • 1...Ke4
        • 2.Sg6
          • threat
            • 3.Qe5+
              • 3...Kf3
                • 4.Qxf4#

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).