Problem Display
PID: 90550 (8/8/1p1Q4/p3p3/N1b1p3/8/2p5/K1k5 w - - 0 1)

Blaschke, Friedrich

Die Schwalbe, 1949

8/8/1p1Q4/p3p3/N1b1p3/8/2p5/K1k5

#4

3 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Sb2!
      • threat
        • 2.Qh6+
          • 2...e3
            • 3.Qxe3#
      • 1...Be6
        • 2.Qd8
          • threat
            • 3.Qg5+
              • 3...e3
                • 4.Qxe3#
          • 2...e3
            • 3.Qd3
              • threat
                • 4.Qxe3#
              • 3...e2
                • 4.Qe3#
      • 1...e3
        • 2.Sxc4
          • threat
            • 3.Qd3
              • threat
                • 4.Qf1#
              • 3...e2
                • 4.Qd2#
          • 2...e4
            • 3.Qf4
              • threat
                • 4.Qf1#
              • 3...Kd1
                • 4.Qf1#
          • 2...b5
            • 3.Sxa5
              • threat
                • 4.Sb3#

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).