Problem Display
PID: 270946 (8/bP3p1Q/4NP2/2pNk1P1/n2pB3/2p1p3/K2n2P1/8 w - - 0 1)

Hane, Johannes

Die Schwalbe, 1931

8/bP3p1Q/4NP2/2pNk1P1/n2pB3/2p1p3/K2n2P1/8

#3

9 + 9


SOLUTION


  • SOUND
  • Tries
    • 1.b8Q+?
      • 1...Kxe6
        • 2.Qf5#
        • 2.Qh3#
      • 1...Bxb8!
    • 1.b8B+?
      • 1...Kxe6
        • 2.Qf5#
        • 2.Qh3#
      • 1...Bxb8!
  • Keys
    • 1.Se7!
      • threat
        • 2.Qf5+
          • 2...Kd6
            • 3.Qd5#
      • 1...Kd6
        • 2.Sc8+
          • 2...Ke5
            • 3.Qf5#
          • 2...Kxe6
            • 3.Qf5#
          • 2...Kd7
            • 3.Qxf7#
      • 1...Kxe6
        • 2.Bf5+
          • 2...Ke5
            • 3.Qh2#
          • 2...Kd6
            • 3.Qh2#
      • 1...fxe6
        • 2.Sc6+
          • 2...Kf4
            • 3.Qh4#
          • 2...Kd6
            • 3.Qe7#
      • 1...Sb6
        • 2.Qh2+
          • 2...Kxe4
            • 3.Sxc5#
          • 2...Kxe6
            • 3.Bf5#

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).