Problem Display
PID: 248567 (1K5k/4N1bb/8/1p6/5Q2/8/8/8 w - - 0 1)

Litvinov, Viktor

1st Prize, Smer, 1961

(First published on Sat Aug 26 1961)

1K5k/4N1bb/8/1p6/5Q2/8/8/8

#4

3 + 4


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Ka7!
      • threat
        • 2.Qb8+
          • 2...Bf8
            • 3.Qxf8+
              • 3...Bg8
                • 4.Qxg8#
      • 1...Bb1
        • 2.Qh2+
          • 2...Bh7
            • 3.Sg6+
              • 3...Kg8
                • 4.Qa2#
          • 2...Bh6
            • 3.Qxh6+
              • 3...Bh7
                • 4.Qf6#
      • 1...Bc2
        • 2.Qh2+
          • 2...Bh7
            • 3.Sg6+
              • 3...Kg8
                • 4.Qa2#
          • 2...Bh6
            • 3.Qxh6+
              • 3...Bh7
                • 4.Qf6#
      • 1...Bd3
        • 2.Qh2+
          • 2...Bh7
            • 3.Sg6+
              • 3...Kg8
                • 4.Qa2#
          • 2...Bh6
            • 3.Qxh6+
              • 3...Bh7
                • 4.Qf6#
      • 1...Be4
        • 2.Qh2+
          • 2...Bh7
            • 3.Sg6+
              • 3...Kg8
                • 4.Qa2#
          • 2...Bh6
            • 3.Qxh6+
              • 3...Bh7
                • 4.Qf6#
      • 1...Bf5
        • 2.Qh2+
          • 2...Bh3
            • 3.Qxh3+
              • 3...Bh6
                • 4.Qxh6#
          • 2...Bh7
            • 3.Sg6+
              • 3...Kg8
                • 4.Qa2#
          • 2...Bh6
            • 3.Qxh6+
              • 3...Bh7
                • 4.Qf6#
      • 1...Bg6
        • 2.Qh2+
          • 2...Bh5
            • 3.Qxh5+
              • 3...Bh6
                • 4.Qxh6#
          • 2...Bh7
            • 3.Sg6+
              • 3...Kg8
                • 4.Qa2#
          • 2...Bh6
            • 3.Qxh6+
              • 3...Bh7
                • 4.Qf6#
      • 1...Bg8
        • 2.Qh2+
          • 2...Bh6
            • 3.Qxh6+
              • 3...Bh7
                • 4.Qf6#
          • 2...Bh7
            • 3.Sg6+
              • 3...Kg8
                • 4.Qa2#

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).