Problem Display
PID: 254783 (Q7/2pN1K2/3kp3/8/1P6/8/8/8 w - - 0 1)

Makaronets, Leonid

Schach, 2018

Q7/2pN1K2/3kp3/8/1P6/8/8/8

#3

4 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Kxd7
      • 2.Qe8+
        • 2...Kd6
          • 3.Qxe6#
  • Tries
    • 1.Ke8?
      • threat
        • 2.b5
          • threat
            • 3.Qc6#
          • 2...c6
            • 3.Qxc6#
      • 1...c5
        • 2.b5
          • threat
            • 3.Qc6#
          • 2...Kc7
            • 3.Qc6#
            • 3.Qb8#
      • 1...c6
        • 2.Qa5
          • threat
            • 3.Qe5#
          • 2...c5
            • 3.Qxc5#
          • 2...e5
            • 3.Qxe5#
      • 1...e5!
    • 1.Sc5?
      • 1...Ke5
        • 2.Qe4+
          • 2...Kd6
            • 3.Qxe6#
      • 1...e5
        • 2.Se4+
          • 2...Kd7
            • 3.Qe8#
      • 1...c6!
    • 1.b5?
      • threat
        • 2.Qc6#
      • 1...c6
        • 2.Qxc6#
      • 1...Kxd7!
  • Keys
    • 1.Sf6!
      • 1...Ke5
        • 2.Qe4+
          • 2...Kd6
            • 3.Qxe6#
      • 1...c5
        • 2.Qb8+
          • 2...Kc6
            • 3.b5#

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).