Problem Display
PID: 212213 (4Q2n/p1k1p3/P1pb4/3pp1Np/6n1/5N1B/KPPB4/3Rq2r w - - 0 1)

Schlesinger, John

American Chess Nuts, 1868

4Q2n/p1k1p3/P1pb4/3pp1Np/6n1/5N1B/KPPB4/3Rq2r

#4

10 + 12


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Se6+
          • 2...Kb6
            • 3.Qxc6#
        • 2.Qxc6+
          • 2...Kb8
            • 3.Sd7#
            • 3.Qb7#
          • 2...Kd8
            • 3.Se6#
            • 3.Qd7#
        • 2.Qd7+
          • 2...Kb6
            • 3.Qxc6#
          • 2...Kb8
            • 3.Qb7#
            • 3.Qd8#
      • 1...Bxe5
        • 2.Qxe7+
          • 2...Kb6
            • 3.Qb7+
              • 3...Kc5
                • 4.Qb4#
          • 2...Kc8
            • 3.Se6
              • threat
                • 4.Qd8#
                • 4.Qb7#
                • 4.Qe8#
              • 3...Kb8
                • 4.Qd8#
                • 4.Qf8#
                • 4.Qb7#
                • 4.Qe8#
              • 3...Bc7
                • 4.Qxc7#
      • 1...Sxe5
        • 2.Qc8+
          • 2...Kb6
            • 3.Qb7+
              • 3...Kc5
                • 4.Qb4#

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).