Problem Display
PID: 195627 (8/8/8/6p1/pPQ4p/p2NP1PP/pP1p1BK1/3k4 w - - 0 1)

Lindgren, Frithiof

Deutsches Wochenschach, 1919

8/8/8/6p1/pPQ4p/p2NP1PP/pP1p1BK1/3k4

#3

9 + 7


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...a1S
      • 2.bxa3
        • threat
          • 3.Sb2#
        • 2...Ke2
          • 3.Sb2#
        • 2...Sc2
          • 3.Qg4#
    • 1...axb2
      • 2.Sxb2#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Sf2+
          • 2...Ke1
            • 3.Qf1#
      • 1...Ke2
        • 2.Sf2+
          • 2...Ke1
            • 3.Qf1#
          • 2...Kxe3
            • 3.Sd1#
            • 3.Sh1#
            • 3.Se4#
            • 3.Sg4#
            • 3.Qd3#
            • 3.Qe4#
      • 1...hxg3!
    • 1.Qc2+?
      • 1...Ke2
        • 2.Sc1#
      • 1...Kxc2!
  • Keys
    • 1.b5!
      • threat
        • 2.Sb4
          • threat
            • 3.Qf1#
      • 1...Ke2
        • 2.Sb4+
          • 2...Kd1
            • 3.Qf1#
      • 1...a1S
        • 2.bxa3
          • threat
            • 3.Sb2#
          • 2...Ke2
            • 3.Sb2#
          • 2...Sc2
            • 3.Qg4#
      • 1...g4
        • 2.Qxa4+
          • 2...Ke2
            • 3.Sf4#

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).