Problem Display
PID: 211241 (1b6/6p1/pBnppp2/4k2B/b1nNp2P/Q4P2/2PP4/K7 w - - 0 1)

Bayer, Konrad

Prize, British Ty., 1862

1b6/6p1/pBnppp2/4k2B/b1nNp2P/Q4P2/2PP4/K7

#4

9 + 11


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.f4+!
      • 1...Kxf4
        • 2.Qh3
          • threat
            • 3.Qh2#
          • 2...Ke5
            • 3.Qxe6+
              • 3...Kf4
                • 4.Se2#
          • 2...Sxd2
            • 3.Qh2+
              • 3...Ke3
                • 4.Sf5#
                • 4.Sxc6#
          • 2...Sxd4
            • 3.Bxd4
              • threat
                • 4.Qg4#
              • 3...Se3
                • 4.dxe3#
              • 3...Se5
                • 4.Be3#
              • 3...f5
                • 4.Qh2#
          • 2...e3
            • 3.Qh2+
              • 3...Ke4
                • 4.Bf3#
      • 1...Kd5
        • 2.Sf5
          • threat
            • 3.Qd3+
              • 3...Sd4
                • 4.Se7#
              • 3...exd3
                • 4.Bf3#
          • 2...Bxc2
            • 3.Qa5+
              • 3...S4xa5
                • 4.Se3#
              • 3...S6xa5
                • 4.Se7#
          • 2...Sxb6
            • 3.Se3+
              • 3...Kd4
                • 4.Qc3#
          • 2...Bb3
            • 3.Qa5+
              • 3...S4xa5
                • 4.Se3#
              • 3...S6xa5
                • 4.Se7#
            • 3.Qxb3
              • threat
                • 4.Se3#
              • 3...exf5
                • 4.Bf7#
              • 3...Sb4
                • 4.Se7#
              • 3...Sd4
                • 4.Se7#
              • 3...Sa5
                • 4.Se7#
              • 3...Se5
                • 4.Se7#
              • 3...Sa7
                • 4.Se7#
              • 3...Se7
                • 4.Sxe7#
              • 3...Sd8
                • 4.Se7#
              • 3...e3
                • 4.Bf3#
              • 3...e5
                • 4.Bf7#

There are these versions: 211502

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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).