Problem Display
PID: 192505 (8/4K3/8/p7/1k1pp3/8/1PB1Q3/8 w - - 0 1)

Korteling, Willem

2nd HM., Tijdschrift vd NSB, 1917-07

8/4K3/8/p7/1k1pp3/8/1PB1Q3/8

#3

4 + 4


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Kd6?
      • threat
        • 2.Kc6
          • threat
            • 3.Qb5#
          • 2...d3
            • 3.Qxe4#
        • 2.Ba4
          • threat
            • 3.Qb5#
          • 2...Kxa4
            • 3.Qc4#
          • 2...d3
            • 3.Qxe4#
        • 2.Qh5
          • threat
            • 3.Qc5#
          • 2...Kc4
            • 3.Qc5#
      • 1...a4
        • 2.Qh5
          • threat
            • 3.Qc5#
          • 2...Kc4
            • 3.Qc5#
        • 2.Qa6
          • threat
            • 3.Qxa4#
          • 2...a3
            • 3.Qa4#
      • 1...e3
        • 2.Kc6
          • threat
            • 3.Qb5#
          • 2...d3
            • 3.Qg4#
        • 2.Ba4
          • threat
            • 3.Qb5#
          • 2...Kxa4
            • 3.Qc4#
          • 2...d3
            • 3.Qg4#
        • 2.Qh5
          • threat
            • 3.Qc5#
          • 2...Kc4
            • 3.Qc5#
      • 1...d3!
    • 1.Ba4?
      • threat
        • 2.Qb5#
      • 1...Kxa4
        • 2.Qc4#
      • 1...Kc5
        • 2.Qb5#
      • 1...d3!
    • 1.Qh5?
      • threat
        • 2.Kd6
          • threat
            • 3.Qc5#
          • 2...Kc4
            • 3.Qc5#
      • 1...Kc4
        • 2.Kd6
          • threat
            • 3.Qc5#
          • 2...Kb4
            • 3.Qc5#
      • 1...d3!
  • Keys
    • 1.Qa6!
      • threat
        • 2.Ba4
          • threat
            • 3.Qb5#
          • 2...Kxa4
            • 3.Qc4#
          • 2...Kc5
            • 3.Qb5#
      • 1...Kc5
        • 2.Qxa5+
          • 2...Kc4
            • 3.b3#
          • 2...Kc6
            • 3.Bxe4#
      • 1...d3
        • 2.Qb6+
          • 2...Kc4
            • 3.Bb3#
      • 1...a4
        • 2.Kd6
          • threat
            • 3.Qxa4#
          • 2...a3
            • 3.Qa4#
        • 2.Bxa4
          • threat
            • 3.Qb5#
          • 2...Kc5
            • 3.Qb5#

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).