Problem Display
PID: 53156 (3BB2n/1p3p2/b4P2/1p1k4/3p4/q1pN1n2/P1P1Q3/3K4 w - - 0 1)

Orsini, Emilio

British Chess Magazine, 1881

3BB2n/1p3p2/b4P2/1p1k4/3p4/q1pN1n2/P1P1Q3/3K4

#4

8 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Be7!
      • threat
        • 2.Sf4#
      • 1...Qc1+
        • 2.Kxc1
          • threat
            • 3.Sb4#
            • 3.Sf4#
          • 2...Kc4
            • 3.Sb4+
              • 3...d3
                • 4.Qxd3#
            • 3.Sf4+
              • 3...d3
                • 4.Qxd3#
            • 3.Bxf7+
              • 3...Sxf7
                • 4.Qe6#
            • 3.Qxf3
              • threat
                • 4.Se5#
              • 3...Sg6
                • 4.Bxf7#
      • 1...Qxe7
        • 2.Qxe7
          • 2...Se5
            • 3.Qxe5+
              • 3...Kc4
                • 4.Qc5#
          • 2...Se1
            • 3.Qe5+
              • 3...Kc4
                • 4.Qc5#
          • 2...Sg1
            • 3.Qe5+
              • 3...Kc4
                • 4.Qc5#
          • 2...Sd2
            • 3.Qe5+
              • 3...Kc4
                • 4.Qc5#
          • 2...Sh2
            • 3.Qe5+
              • 3...Kc4
                • 4.Qc5#
          • 2...Sh4
            • 3.Qe5+
              • 3...Kc4
                • 4.Qc5#
          • 2...Sg5
            • 3.Qe5+
              • 3...Kc4
                • 4.Qc5#
          • 2...Sg6
            • 3.Sb4+
              • 3...Kc4
                • 4.Bxf7#
          • 2...b4
            • 3.Sf4+
              • 3...Kc4
                • 4.Qc7#
          • 2...b6
            • 3.Bc6+
              • 3...Kc4
                • 4.Qb4#
              • 3...Kxc6
                • 4.Sb4#
      • 1...Qd6
        • 2.Qxf3+
          • 2...Kc4
            • 3.Bxd6
              • threat
                • 4.Se5#
              • 3...Sg6
                • 4.Bxf7#
          • 2...Ke6
            • 3.Qe4+
              • 3...Qe5
                • 4.Sf4#
                • 4.Sc5#
                • 4.Qxe5#
      • 1...Sg6
        • 2.Qxf3+
          • 2...Ke6
            • 3.Qe4+
              • 3...Se5
                • 4.Sf4#
                • 4.Qxe5#

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).