Problem Display
PID: 27809 (2R5/1b1p4/n2k2N1/1P2p1N1/p1K5/2ppB3/Q3p3/1n2r2B w - - 0 1)

Menendez, Gregorio

Le Sphinx, 1865

2R5/1b1p4/n2k2N1/1P2p1N1/p1K5/2ppB3/Q3p3/1n2r2B

#4

8 + 11


3978 200 Demanding Chess Puzzles 1996

SOLUTION


  • SOUND
  • Keys
    • 1.Bf4!
      • threat
        • 2.Bxe5#
      • 1...Bd5+
        • 2.Bxd5
          • threat
            • 3.Se4#
            • 3.Sf7#
            • 3.Bxe5#
          • 2...Sd2+
            • 3.Bxd2
              • threat
                • 4.Se4#
                • 4.Sf7#
            • 3.Qxd2
              • threat
                • 4.Se4#
                • 4.Sf7#
                • 4.Bxe5#
          • 2...Sa3+
            • 3.Qxa3+
              • 3...Sb4
                • 4.Se4#
                • 4.Sf7#
                • 4.Bxe5#
                • 4.Qxb4#
              • 3...Sc5
                • 4.Se4#
                • 4.Sf7#
                • 4.Bxe5#
                • 4.Qxc5#
      • 1...Sd2+
        • 2.Qxd2
          • threat
            • 3.Bxe5#
          • 2...Bd5+
            • 3.Bxd5
              • threat
                • 4.Se4#
                • 4.Sf7#
                • 4.Bxe5#
      • 1...exf4
        • 2.Kd4
          • threat
            • 3.Sf7#
          • 2...Bxc8
            • 3.Qc4
              • threat
                • 4.Se4#
                • 4.Sf7#
              • 3...Sc5
                • 4.Qxc5#
            • 3.b6
              • threat
                • 4.Sf7#
                • 4.Qd5#

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).