Problem Display
PID: 287493 (4N3/Q7/8/3kp3/6P1/8/4KN2/8 w - - 0 1)

Petrasinovic, Petrasin

Seven Chess Notes (Sem Shakhmatiykh not), 2026

4N3/Q7/8/3kp3/6P1/8/4KN2/8

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Kd3?
      • 1...Kc6
        • 2.Kc4
          • 2...e4
            • 3.Qc7#
      • 1...Ke6
        • 2.Se4
          • 2...Kd5
            • 3.Qd7#
      • 1...e4+!
  • Keys
    • 1.Se4!
      • threat
        • 2.S8d6
          • 2...Kc6
            • 3.Qb7#
          • 2...Ke6
            • 3.Qf7#
        • 2.Qa6
          • 2...Kd4
            • 3.Qd3#
          • 2...Kxe4
            • 3.Qc4#
      • 1...Kc4
        • 2.Qa4+
          • 2...Kd5
            • 3.Sc7#
      • 1...Kxe4
        • 2.Sf6+
          • 2...Kf4
            • 3.Qe3#
      • 1...Kc6
        • 2.Sc3
          • 2...e4
            • 3.Qc7#
      • 1...Ke6
        • 2.Kd3
          • 2...Kd5
            • 3.Qd7#

FEATURES


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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).