Problem Display
PID: 274355 (2Q5/7K/2N3p1/3k4/8/8/3NP3/8 w - - 0 1)

Petrasinovic, Petrasin

Seven Chess Notes, 2023

2Q5/7K/2N3p1/3k4/8/8/3NP3/8

#4

5 + 2


SOLUTION


  • SOUND
  • Keys
    • 1.Sb3!
      • threat
        • 2.Qd7+
          • 2...Ke4
            • 3.Qf7
              • threat
                • 4.Qf3#
              • 3...Ke3
                • 4.Qf3#
      • 1...Kc4
        • 2.Scd4+
          • 2...Kb4
            • 3.Qc5+
              • 3...Ka4
                • 4.Qa5#
      • 1...Ke4
        • 2.Qg4+
          • 2...Kd5
            • 3.Qxg6
              • 3...Kc4
                • 4.Qd3#
      • 1...Kd6
        • 2.Kxg6
          • 2...Kd5
            • 3.Qd7+
              • 3...Kc4
                • 4.Qd3#
              • 3...Ke4
                • 4.Qd4#
      • 1...g5
        • 2.Qd7+
          • 2...Ke4
            • 3.Qd3+
              • 3...Kf4
                • 4.Qf3#

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).