Problem Display
PID: 213962 (8/1p2p3/4p3/P2k2P1/1P1N4/3Q3K/1P4P1/8 w - - 0 1)

van Dijk, Johannes

Noord-Hollandsch Dagblad, 1928

8/1p2p3/4p3/P2k2P1/1P1N4/3Q3K/1P4P1/8

#3

8 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sf3+
        • 2...Kf4
          • 3.g3#
  • Tries
    • 1.Sc2+?
      • 1...Ke5
        • 2.Kg4
          • threat
            • 3.Qd4#
        • 2.g4
          • threat
            • 3.Qd4#
          • 2...Kf4
            • 3.Qe3#
      • 1...Kc6!
    • 1.Se2+?
      • 1...Ke5
        • 2.Kg4
          • threat
            • 3.Qd4#
        • 2.g4
          • threat
            • 3.Qd4#
      • 1...Kc6!
    • 1.Sb3+?
      • 1...Ke5
        • 2.Kg4
          • threat
            • 3.Qd4#
      • 1...Kc6!
    • 1.Sb5+?
      • 1...Ke5
        • 2.Kg4
          • 2...b6
            • 3.Qd4#
      • 1...Kc6!
  • Keys
    • 1.b5!
      • threat
        • 2.Sc6+
          • 2...Kc5
            • 3.b4#
      • 1...Kc5
        • 2.Sc2
          • threat
            • 3.b4#
      • 1...Ke5
        • 2.Sf3+
          • 2...Kf4
            • 3.g3#
      • 1...Kd6
        • 2.Sc6+
          • 2...Kc5
            • 3.b4#
          • 2...Kc7
            • 3.Qd8#
      • 1...e5
        • 2.Sc6+
          • 2...Kc5
            • 3.b4#
          • 2...Ke6
            • 3.Sd8#

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).