Problem Display
PID: 209132 (8/3p3N/1K1p4/8/4kpP1/3N4/8/3Q4 w - - 0 1)

Petrasinovic, Petrasin

Sachova skladba, 2015

8/3p3N/1K1p4/8/4kpP1/3N4/8/3Q4

#4

5 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Qd2!
      • 1...Kf3
        • 2.Sf6
          • threat
            • 3.Qf2#
          • 2...Kg3
            • 3.Qf2+
              • 3...Kh3
                • 4.Sxf4#
      • 1...Kd4
        • 2.Sc5+
          • 2...Kc4
            • 3.Qd3+
              • 3...Kb4
                • 4.Qb3#
          • 2...Ke5
            • 3.Qc3+
              • 3...Kd5
                • 4.Sf6#
      • 1...Kd5
        • 2.Sc5+
          • 2...Kc4
            • 3.Qd3+
              • 3...Kb4
                • 4.Qb3#
          • 2...Ke5
            • 3.Qc3+
              • 3...Kd5
                • 4.Sf6#
      • 1...f3
        • 2.Sf2+
          • 2...Ke5
            • 3.Qe3+
              • 3...Kd5
                • 4.Qe4#
      • 1...d5
        • 2.Sg5+
          • 2...Kd4
            • 3.Sf3+
              • 3...Kc4
                • 4.Qc2#
              • 3...Ke4
                • 4.Qe2#

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).