MESON Chess Problem Database

Problem Display
PID: 111887 (N3N3/1p1p1p2/1rkpp3/1r4QK/BP5n/8/2p5/8 w - - 0 1)

Hartong, Jan

1st Comm., Chess Correspondent (Pin-Unpin TT), 1947-1948

N3N3/1p1p1p2/1rkpp3/1r4QK/BP5n/8/2p5/8

#3

6 + 10

70 American Chess Problemist 1949
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.Bxb5#
      • 2.Qxb5#
    • 1...Sf5
      • 2.Qg2+
        • 2...d5
          • 3.Qxc2#
    • 1...d5
      • 2.Qe7
        • threat
          • 3.Qc5#
          • 3.Qd6#
        • 2...d6
          • 3.Qxd6#
          • 3.Qc7#
      • 2.Qe5
        • threat
          • 3.Qc3#
          • 3.Qd6#
          • 3.Qc7#
        • 2...d6
          • 3.Qxd6#
        • 2...d4
          • 3.Qc5#
  • Keys
    • 1.Sac7!
      • threat
        • 2.Bxb5+
          • 2...Rxb5
            • 3.Qxb5#
      • 1...Sf5
        • 2.Qg2+
          • 2...d5
            • 3.Qxc2#
      • 1...d5
        • 2.Qe7
          • threat
            • 3.Qc5#
            • 3.Qd6#
          • 2...d6
            • 3.Qxd6#
        • 2.Qe5
          • threat
            • 3.Qc3#
            • 3.Qd6#
          • 2...d6
            • 3.Qxd6#
          • 2...d4
            • 3.Qc5#
      • 1...e5
        • 2.Qd2
          • threat
            • 3.Qc3#
            • 3.Qxc2#
            • 3.Qd5#
            • 3.Qxd6#
      • 1...f5
        • 2.Qf4
          • threat
            • 3.Qxd6#
            • 3.Qc4#
          • 2...d5
            • 3.Qd6#

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).