Problem Display
PID: 202206 (8/p2N4/Pp1P4/1P1kB3/b4Qp1/8/1Pp1P3/2K5 w - - 0 1)

Lindgren, Frithiof

Helsingin Sanomat, 1923

8/p2N4/Pp1P4/1P1kB3/b4Qp1/8/1Pp1P3/2K5

#3

9 + 6


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ke6
      • 2.Sf8+
        • 2...Kd5
          • 3.Qd4#
    • 1...g3
      • 2.Qf7+
        • 2...Ke4
          • 3.Qf3#
  • Tries
    • 1.Qxa4?
      • threat
        • 2.Qb3+
          • 2...Ke4
            • 3.Qd3#
      • 1...g3
        • 2.Qb3+
          • 2...Ke4
            • 3.Qd3#
            • 3.Qf3#
      • 1...Ke6!
    • 1.b4?
      • 1...Ke6
        • 2.Sf8+
          • 2...Kd5
            • 3.Qd4#
      • 1...Bb3
        • 2.Sf8
          • threat
            • 3.Qd4#
      • 1...g3
        • 2.Qf7+
          • 2...Ke4
            • 3.Qf3#
      • 1...Bxb5!
    • 1.e4+?
      • 1...Ke6
        • 2.Sf8#
        • 2.Qf5#
      • 1...Kc4!
  • Keys
    • 1.Bc3!
      • 1...Ke6
        • 2.Sf8+
          • 2...Kd5
            • 3.Qd4#
      • 1...Bxb5
        • 2.Qe5+
          • 2...Kc4
            • 3.Qe6#
          • 2...Kc6
            • 3.Sb8#
      • 1...Bb3
        • 2.e4+
          • 2...Kc4
            • 3.Qf1#
          • 2...Ke6
            • 3.Sf8#
      • 1...g3
        • 2.Qf7+
          • 2...Ke4
            • 3.Qf3#
          • 2...Kxd6
            • 3.Be5#

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).