Problem Display
PID: 83133 (8/7N/4p3/7p/2Q5/6k1/2B4p/7K w - - 0 1)

Havel, Miroslav

Prace, 1957

8/7N/4p3/7p/2Q5/6k1/2B4p/7K

#3

4 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kh3
      • 2.Qf4
        • threat
          • 3.Sg5#
  • Tries
    • 1.Bd1?
      • 1...Kf2
        • 2.Qe2+
          • 2...Kg3
            • 3.Qxh2#
      • 1...Kh3
        • 2.Qa2
          • threat
            • 3.Qxh2#
          • 2...Kg3
            • 3.Qxh2#
          • 2...Kh4
            • 3.Qxh2#
        • 2.Qe2
          • threat
            • 3.Qxh2#
          • 2...Kg3
            • 3.Qxh2#
          • 2...Kh4
            • 3.Qxh2#
        • 2.Qc2
          • threat
            • 3.Qxh2#
          • 2...Kg3
            • 3.Qxh2#
          • 2...Kh4
            • 3.Qxh2#
        • 2.Qf4
          • threat
            • 3.Sg5#
            • 3.Qxh2#
      • 1...e5
        • 2.Qe2
          • threat
            • 3.Qxh2#
          • 2...Kh3
            • 3.Qxh2#
          • 2...Kf4
            • 3.Qf3#
          • 2...Kh4
            • 3.Qxh2#
      • 1...h4!
    • 1.Qf4+?
      • 1...Kh3
        • 2.Sg5#
      • 1...Kxf4!
  • Keys
    • 1.Qe2!
      • 1...Kh3
        • 2.Bd1
          • threat
            • 3.Qxh2#
          • 2...Kg3
            • 3.Qxh2#
          • 2...Kh4
            • 3.Qxh2#
      • 1...Kf4
        • 2.Kxh2
          • threat
            • 3.Qe4#
      • 1...Kh4
        • 2.Kxh2
          • 2...e5
            • 3.Qe4#
        • 2.Bd1
          • threat
            • 3.Qxh2#
          • 2...Kg3
            • 3.Qxh2#
          • 2...Kh3
            • 3.Qxh2#
      • 1...h4
        • 2.Qe3+
          • 2...Kg4
            • 3.Sf6#
      • 1...e5
        • 2.Bd1
          • threat
            • 3.Qxh2#
          • 2...Kh3
            • 3.Qxh2#
          • 2...Kf4
            • 3.Qf3#
          • 2...Kh4
            • 3.Qxh2#

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).