Problem Display
PID: 30470 (6K1/1n4p1/3kP1Q1/1P1N2N1/2P5/8/8/8 w - - 0 1)

Pachman, Vladimir

The Problemist, 1959

6K1/1n4p1/3kP1Q1/1P1N2N1/2P5/8/8/8

#3

7 + 3


SOLUTION


  • SOUND
  • Sets
    • 1...Sc5
      • 2.Sf7#
  • Tries
    • 1.Qf5?
      • threat
        • 2.Se4#
      • 1...Sc5
        • 2.Sf7#
        • 2.Qf4#
      • 1...Kc5!
    • 1.Qf7?
      • threat
        • 2.Qc7#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kc5!
    • 1.e7+?
      • 1...Ke5
        • 2.Sf3#
      • 1...Kd7
        • 2.Qc6#
        • 2.e8Q#
      • 1...Kc5!
  • Keys
    • 1.Qd3!
      • 1...Ke5
        • 2.Sf7+
          • 2...Kxe6
            • 3.Qh3#
      • 1...Sa5
        • 2.c5+
          • 2...Kxc5
            • 3.Se4#
          • 2...Ke5
            • 3.Qe4#
      • 1...Sd8
        • 2.c5+
          • 2...Kxc5
            • 3.Se4#
          • 2...Ke5
            • 3.Qe4#
      • 1...g6
        • 2.Qd4
          • 2...Sa5
            • 3.c5#
          • 2...Sc5
            • 3.Qf4#
          • 2...Sd8
            • 3.c5#

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).