Problem Display
PID: 79852 (8/7p/3N4/5K2/8/6pk/7p/7Q w - - 0 1)

Asplund, Per Ivan Rune

Tidskrift for Schack, 1958

8/7p/3N4/5K2/8/6pk/7p/7Q

#3

3 + 4


  • COOKED
  • Tries
    • 1.Qe4?
      • 1...h6
        • 2.Sf7
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#
          • 2...g2
            • 3.Qg4#
          • 2...h5
            • 3.Sg5#
      • 1...h5!
    • 1.Qf1+?
      • 1...g2
        • 2.Qf3+
          • 2...Kh4
            • 3.Qg4#
      • 1...Kh4!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qf3
          • threat
            • 3.Qxg3#
          • 2...Kh4
            • 3.Qg4#
          • 2...h1S
            • 3.Qxh1#
      • 1...Kh4
        • 2.Qf3
          • threat
            • 3.Qg4#
          • 2...Kh3
            • 3.Qxg3#
          • 2...h5
            • 3.Qxg3#
      • 1...g2
        • 2.Sg5+
          • 2...Kg3
            • 3.Qe1#
          • 2...Kh4
            • 3.Qxh2#
      • 1...h5
        • 2.Sg5+
          • 2...Kh4
            • 3.Qe4#
        • 2.Qf3
          • threat
            • 3.Qxg3#
          • 2...Kh4
            • 3.Qxg3#
          • 2...h1S
            • 3.Qxh1#
          • 2...h4
            • 3.Sf2#
            • 3.Sg5#
    • 1.Sf7!
      • 1...Kh4
        • 2.Qe4+
          • 2...Kh3
            • 3.Sg5#
          • 2...Kh5
            • 3.Qg4#
      • 1...g2
        • 2.Sg5+
          • 2...Kg3
            • 3.Qe1#
          • 2...Kh4
            • 3.Qxh2#
      • 1...h5
        • 2.Sg5+
          • 2...Kh4
            • 3.Qe4#
      • 1...h6
        • 2.Qe4
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#
          • 2...g2
            • 3.Qg4#
          • 2...h5
            • 3.Sg5#
    • 1.Qf3!
      • threat
        • 2.Kf4
          • threat
            • 3.Qxg3#
          • 2...Kh4
            • 3.Qg4#
          • 2...h1S
            • 3.Qxh1#
        • 2.Se4
          • threat
            • 3.Qxg3#
          • 2...Kh4
            • 3.Qg4#
          • 2...h1S
            • 3.Qxh1#
      • 1...h5
        • 2.Se4
          • threat
            • 3.Qxg3#
          • 2...Kh4
            • 3.Qxg3#
          • 2...h1S
            • 3.Qxh1#
          • 2...h4
            • 3.Sf2#
            • 3.Sg5#


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).