MESON Chess Problem Database

Problem Display
PID: 216769 (8/7p/8/PN1kp3/1Pp2P1p/p3p1NP/4P3/KQ6 w - - 0 1)

Hulsen, Bernhard

Deutsches Wochenschach, 1889

8/7p/8/PN1kp3/1Pp2P1p/p3p1NP/4P3/KQ6

#4

9 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qxh7!
      • threat
        • 2.Qd7#
      • 1...Kc6
        • 2.Se4
          • threat
            • 3.Sec3
              • threat
                • 4.Qc7#
            • 3.Sc5
              • threat
                • 4.Qb7#
                • 4.Qd7#
              • 3...Kxb5
                • 4.Qb7#
              • 3...Kd5
                • 4.Qe4#
                • 4.Qb7#
                • 4.Qd7#
            • 3.Sbc3
              • threat
                • 4.b5#
          • 2...Kxb5
            • 3.Qb7+
              • 3...Ka4
                • 4.Sc5#
          • 2...Kd5
            • 3.Sbc3+
              • 3...Kd4
                • 4.Qa7#
                • 4.Qd7#
              • 3...Kc6
                • 4.b5#
              • 3...Ke6
                • 4.f5#
            • 3.Sc5
              • threat
                • 4.Qe4#
                • 4.Qb7#
                • 4.Qd7#
              • 3...Kc6
                • 4.Qb7#
                • 4.Qd7#
          • 2...c3
            • 3.Sexc3
              • threat
                • 4.Qc7#
            • 3.Sbxc3
              • threat
                • 4.b5#
        • 2.Sc3
          • threat
            • 3.Sge4
              • threat
                • 4.b5#
            • 3.Qe7
              • threat
                • 4.b5#
          • 2...Kd6
            • 3.Sge4+
              • 3...Kc6
                • 4.b5#
              • 3...Ke6
                • 4.f5#
      • 1...hxg3
        • 2.Qd7+
          • 2...Ke4
            • 3.Sc3+
              • 3...Kxf4
                • 4.Qg4#
            • 3.Qe6
              • threat
                • 4.Qxe5#
              • 3...Kxf4
                • 4.Qg4#
      • 1...c3
        • 2.Qf7+
          • 2...Kc6
            • 3.Sa7+
              • 3...Kd6
                • 4.Se4#
                • 4.Sf5#

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).