Problem Display
PID: 193093 (8/p5K1/4p3/P1PpP3/3kP3/Q2P3P/5P2/8 w - - 0 1)

Hartong, Jan

Tijdschrift vd NSB, 1918

8/p5K1/4p3/P1PpP3/3kP3/Q2P3P/5P2/8

#3

9 + 4


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qb2+
        • 2...Kf4
          • 3.Qf6#
        • 2...d4
          • 3.Qb8#
  • Tries
    • 1.Kf6?
      • 1...a6
        • 2.Qb3
          • 2...Kxc5
            • 3.Qb6#
          • 2...dxe4
            • 3.Qc4#
      • 1...dxe4!
    • 1.Qb4+?
      • 1...Kxe5
        • 2.Qb2+
          • 2...Kf4
            • 3.Qf6#
          • 2...d4
            • 3.Qb8#
      • 1...Kxd3!
    • 1.Qa1+?
      • 1...Kxc5
        • 2.Qa4
          • threat
            • 3.d4#
          • 2...dxe4
            • 3.Qc4#
          • 2...d4
            • 3.Qc4#
      • 1...Kxd3!
    • 1.a6?
      • 1...Kxe5
        • 2.Qb2+
          • 2...Kf4
            • 3.Qf6#
          • 2...d4
            • 3.Qb8#
      • 1...dxe4!
  • Keys
    • 1.Qb3!
      • 1...Kxc5
        • 2.Qa4
          • threat
            • 3.d4#
          • 2...dxe4
            • 3.Qc4#
          • 2...d4
            • 3.Qc4#
      • 1...Kxe5
        • 2.Qb2+
          • 2...Kf4
            • 3.Qf6#
          • 2...d4
            • 3.Qb8#
      • 1...dxe4
        • 2.Qc4+
          • 2...Kxe5
            • 3.Qxe4#
      • 1...a6
        • 2.Kf6
          • 2...Kxc5
            • 3.Qb6#
          • 2...dxe4
            • 3.Qc4#

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).