Problem Display
PID: 111833 (6K1/3N4/3Pk2p/1P2N3/7P/Q7/8/8 w - - 0 1)

Valve, Leo Erland

Suomen Shakki, 1932

6K1/3N4/3Pk2p/1P2N3/7P/Q7/8/8

#3

7 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qf3?
      • 1...h5
        • 2.Kf8
          • 2...Kxd6
            • 3.Qc6#
      • 1...Kxd6!
    • 1.Qa8?
      • 1...Kf5
        • 2.Kf7
          • threat
            • 3.Qf3#
          • 2...Kf4
            • 3.Qf3#
      • 1...Kxd6
        • 2.Kf7
          • threat
            • 3.Qc6#
          • 2...Kc7
            • 3.Qb8#
      • 1...h5!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Sgf8+
          • 2...Kd5
            • 3.Qd3#
          • 2...Kf5
            • 3.Qf3#
      • 1...Kd5
        • 2.Qd3+
          • 2...Ke6
            • 3.Sgf8#
      • 1...Kf5
        • 2.Qd3+
          • 2...Kg4
            • 3.Sf6#
          • 2...Ke6
            • 3.Sgf8#
      • 1...Kxd7
        • 2.Sf8+
          • 2...Kc8
            • 3.Qa8#
          • 2...Kd8
            • 3.Qa8#
          • 2...Ke8
            • 3.Qa8#

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).