Problem Display
PID: 3991 (7K/1N1p3p/5R2/3kq2Q/2R1N3/1P2pn2/nb6/8 w - - 0 1)

Larsen, Lars Aksglade (= Aksglade, Lars)

1st Prize, Suomen Shakki, 1948

7K/1N1p3p/5R2/3kq2Q/2R1N3/1P2pn2/nb6/8

#3

7 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...d6
      • 2.Qf7+
        • 2...Qe6
          • 3.Qxe6#
  • Tries
    • 1.Sc3+?
      • 1...Bxc3
        • 2.Qxf3+
          • 2...Qe4
            • 3.Qxe4#
      • 1...Sxc3!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Qxf3+
          • 2...Qe4
            • 3.Qxe4#
      • 1...Qxh5
        • 2.Rc5+
          • 2...Kd4
            • 3.Rf4#
      • 1...Qf5
        • 2.Qxf5+
          • 2...Be5
            • 3.Qe4#
            • 3.Qxf3#
          • 2...Se5
            • 3.Rd6#
            • 3.Qe4#
      • 1...Qg5
        • 2.Qxf3+
          • 2...Ke5
            • 3.Sd3#
        • 2.Qf7+
          • 2...Ke5
            • 3.Sd3#
            • 3.Re4#
      • 1...Sc3
        • 2.Sd3
          • threat
            • 3.Sb4#
            • 3.Sf4#
          • 2...Qxh5
            • 3.Rd6#
          • 2...Sd4
            • 3.Qxe5#
          • 2...Qf5
            • 3.Rd6#
          • 2...Qg5
            • 3.Rd6#
            • 3.Qf7#
      • 1...Se1
        • 2.Rc5+
          • 2...Kd4
            • 3.Qxe5#
      • 1...Sg1
        • 2.Rc5+
          • 2...Kd4
            • 3.Qd1#
            • 3.Qxe5#
        • 2.Qd1+
          • 2...Qd4
            • 3.Rc5#
          • 2...Bd4
            • 3.Rc5#
      • 1...Sd2
        • 2.Rc5+
          • 2...Kd4
            • 3.Qxe5#
      • 1...Sh2
        • 2.Rc5+
          • 2...Kd4
            • 3.Qd1#
            • 3.Qxe5#
        • 2.Qd1+
          • 2...Qd4
            • 3.Rc5#
          • 2...Bd4
            • 3.Rc5#
      • 1...Sh4
        • 2.Rc5+
          • 2...Kd4
            • 3.Qd1#
            • 3.Qxe5#
        • 2.Qd1+
          • 2...Qd4
            • 3.Rc5#
          • 2...Bd4
            • 3.Rc5#
      • 1...Sg5
        • 2.Rc5+
          • 2...Kd4
            • 3.Qd1#
        • 2.Qd1+
          • 2...Qd4
            • 3.Rc5#
          • 2...Bd4
            • 3.Rc5#

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).