MESON Chess Problem Database

Problem Display
PID: 199057 (7Q/4K3/p7/1k6/b3N3/8/3N4/8 w - - 0 1)

Rutberg, Nils

Nya Dagligt Allehanda, 1921

7Q/4K3/p7/1k6/b3N3/8/3N4/8

#3

4 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Qc3+
        • 2...Kb5
          • 3.Qc5#
  • Tries
    • 1.Qb8+?
      • 1...Ka5
        • 2.Sc4#
      • 1...Kc6!
    • 1.Qc8?
      • threat
        • 2.Qc5#
      • 1...Ka5
        • 2.Qc7+
          • 2...Kb4
            • 3.Qc5#
          • 2...Kb5
            • 3.Qc5#
      • 1...Bd1
        • 2.Qc5+
          • 2...Ka4
            • 3.Sc3#
      • 1...Bc2
        • 2.Qc5+
          • 2...Ka4
            • 3.Sc3#
      • 1...Bb3
        • 2.Qc5+
          • 2...Ka4
            • 3.Sc3#
      • 1...Kb6!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qc5#
      • 1...Ka5
        • 2.Sc3
          • 2...Bd1
            • 3.Qc5#
          • 2...Bc2
            • 3.Qc5#
          • 2...Bb3
            • 3.Sxb3#
            • 3.Qc5#
          • 2...Bb5
            • 3.Sb3#
          • 2...Bc6
            • 3.Sb3#
          • 2...Bd7
            • 3.Sb3#
          • 2...Be8
            • 3.Sb3#
      • 1...Kc6
        • 2.Qd7+
          • 2...Kb6
            • 3.Sc4#
      • 1...Bd1
        • 2.Qc5+
          • 2...Ka4
            • 3.Sc3#
      • 1...Bc2
        • 2.Qc5+
          • 2...Ka4
            • 3.Sc3#
      • 1...Bb3
        • 2.Qc5+
          • 2...Ka4
            • 3.Sc3#
      • 1...a5
        • 2.Qd6
          • threat
            • 3.Sc3#

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).