MESON Chess Problem Database

Problem Display
PID: 213866 (8/1p6/2p3R1/3k2P1/P2bnKp1/2p3P1/p1P4P/B2R1Q2 w - - 0 1)

Douglass, John A

New York Clipper, 1875

8/1p6/2p3R1/3k2P1/P2bnKp1/2p3P1/p1P4P/B2R1Q2

#4

10 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxd4#
      • 1...Sd2
        • 2.Rxd2
          • threat
            • 3.Qxd4#
          • 2...c5
            • 3.Re2
              • threat
                • 4.Re5#
            • 3.Rb6
              • 3...cxd2
                • 4.c4#
              • 3...c4
                • 4.Qf5#
                • 4.Qxd4#
            • 3.Qe2
              • threat
                • 4.Qe6#
              • 3...c4
                • 4.Qe5#
      • 1...c5
        • 2.Rb6
          • threat
            • 3.Qxe4+
              • 3...Kc4
                • 4.Qe6#
          • 2...Sxg3
            • 3.hxg3
              • 3...c4
                • 4.Qf5#
                • 4.Qxd4#
          • 2...Sxg5
            • 3.Kxg5
              • 3...Ke5
                • 4.Qf5#
              • 3...c4
                • 4.Qf5#
                • 4.Qxd4#
          • 2...Sd6
            • 3.Qg6
              • 3...Kc4
                • 4.Qe6#
              • 3...Sc4
                • 4.Qe4#
                • 4.Qf7#
                • 4.Qe6#
                • 4.Qg8#
              • 3...Se4
                • 4.Qf7#
                • 4.Qe6#
                • 4.Qg8#
              • 3...Sb5
                • 4.Qf7#
                • 4.Qe6#
                • 4.Qg8#
              • 3...Sf5
                • 4.Qf7#
                • 4.Qe6#
                • 4.Qg8#
              • 3...Sf7
                • 4.Qxf7#
                • 4.Qe6#
              • 3...Sc8
                • 4.Qf7#
                • 4.Qe6#
                • 4.Qg8#
              • 3...Se8
                • 4.Qf7#
                • 4.Qe6#
                • 4.Qg8#
              • 3...c4
                • 4.Qxd6#
          • 2...Sd2
            • 3.Rxd2
              • 3...cxd2
                • 4.c4#
              • 3...c4
                • 4.Qf5#
                • 4.Qxd4#
          • 2...Sf2
            • 3.Qf5+
              • 3...Kc4
                • 4.Qe6#
                • 4.Qf7#
          • 2...Sf6
            • 3.gxf6
              • 3...c4
                • 4.Qf5#
                • 4.Qxd4#

FEATURES

NOT CLASSIFIED
HTML5 logo

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).