Problem Display
PID: 218405 (2n1Q3/8/p1N5/B4r2/k1Pp3b/3N4/1K6/6n1 w - - 0 1)

Patterson, James

New York Clipper, 1860

2n1Q3/8/p1N5/B4r2/k1Pp3b/3N4/1K6/6n1

#4

6 + 7


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qd1#
      • 1...Rf2+
        • 2.Sxf2
          • threat
            • 3.Qd1#
          • 2...Se2
            • 3.Qxe2
              • threat
                • 4.Qd1#
                • 4.Qc2#
          • 2...Sf3
            • 3.Qxf3
              • threat
                • 4.Qd1#
                • 4.Qa3#
                • 4.Qb3#
      • 1...Rxh5
        • 2.Ka2
          • threat
            • 3.Sb2#
          • 2...Rb5
            • 3.Bb4
              • threat
                • 4.Sb2#
              • 3...Rxb4
                • 4.Sc5#
      • 1...Se2
        • 2.Qxf5
          • threat
            • 3.Sc5#
          • 2...Be7
            • 3.Sc5+
              • 3...Bxc5
                • 4.Qc2#
      • 1...Sf3
        • 2.Qxf5
          • threat
            • 3.Sc5#
          • 2...Be7
            • 3.Sc5+
              • 3...Bxc5
                • 4.Qc2#
        • 2.Ka2
          • threat
            • 3.Sb2#
          • 2...Rb5
            • 3.Qxb5+
              • 3...axb5
                • 4.Sb2#
                • 4.Sc5#
            • 3.Bb4
              • threat
                • 4.Sb2#
              • 3...Rxb4
                • 4.Sc5#
                • 4.Qa5#

FEATURES


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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).