MESON Chess Problem Database

Problem Display
PID: 249100 (3N4/3p4/8/8/5Q2/2k5/8/1KN5 w - - 0 1)

Lazard, Frederic

Die Schwalbe, 1929

3N4/3p4/8/8/5Q2/2k5/8/1KN5

#3

4 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Sc6
        • 2...d4
          • 3.Qxd4#
      • 2.Se6
        • 2...d4
          • 3.Qxd4#
    • 1...d6
      • 2.Sc6
        • 2...d5
          • 3.Qb4#
          • 3.Qd4#
      • 2.Se6
        • 2...d5
          • 3.Qd4#
  • Tries
    • 1.Sa2+?
      • 1...Kb3
        • 2.Qb4#
      • 1...Kd3!
    • 1.Qc4+?
      • 1...Kd2
        • 2.Qd3+
          • 2...Ke1
            • 3.Qe2#
      • 1...Kxc4!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Sc5
          • threat
            • 3.Sa2#
            • 3.Se2#
            • 3.Sa4#
        • 2.Qe3+
          • 2...Kb4
            • 3.Qb3#
          • 2...Kc4
            • 3.Qc5#
        • 2.Qd6
          • 2...Kc4
            • 3.Qc5#
      • 1...d5
        • 2.Qe3+
          • 2...Kb4
            • 3.Qb3#
          • 2...Kc4
            • 3.Qc5#
      • 1...d6
        • 2.Qxd6
          • 2...Kc4
            • 3.Qc5#

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).