Problem Display
PID: 118511 (8/3p4/Q4N1n/4kpR1/1p3p2/3p1P2/3K4/1b6 w - - 0 1)

Scheel, Johan

Aftenposten, 1911

8/3p4/Q4N1n/4kpR1/1p3p2/3p1P2/3K4/1b6

#3

5 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qd6+
        • 2...Kc4
          • 3.Qd5#
  • Tries
    • 1.Sxd7+?
      • 1...Kd4
        • 2.Qb5
          • threat
            • 3.Qc5#
        • 2.Qc6
          • threat
            • 3.Qc5#
      • 1...Kd5!
  • Keys
    • 1.Rg6!
      • threat
        • 2.Sxd7+
          • 2...Kd4
            • 3.Rd6#
          • 2...Kd5
            • 3.Rd6#
      • 1...Kd4
        • 2.Qd6+
          • 2...Kc4
            • 3.Qd5#
      • 1...d6
        • 2.Sd7+
          • 2...Kd4
            • 3.Rxd6#
          • 2...Kd5
            • 3.Rxd6#
        • 2.Qc4
          • threat
            • 3.Sd7#
            • 3.Qd5#
        • 2.Qb5+
          • 2...Kd4
            • 3.Qd5#
          • 2...Ke6
            • 3.Qe8#
          • 2...d5
            • 3.Qxd5#
      • 1...Ba2
        • 2.Sxd7+
          • 2...Kd4
            • 3.Qxd3#
          • 2...Kd5
            • 3.Rd6#
            • 3.Qxd3#
      • 1...Sf7
        • 2.Qa5+
          • 2...Kd4
            • 3.Qd5#
          • 2...Kd6
            • 3.Sg8#
          • 2...Ke6
            • 3.Sg8#
          • 2...d5
            • 3.Qxd5#
      • 1...d5
        • 2.Qa7
          • threat
            • 3.Sd7#
          • 2...Kd6
            • 3.Sg4#
          • 2...Ke6
            • 3.Sg4#
          • 2...d4
            • 3.Qe7#

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).