Problem Display
PID: 38454 (8/7p/p3p2P/P6P/Q2pN3/P3k3/3N4/5K2 w - - 0 1)

Meyer, Arthur C

1st HM., Europe Echecs, 1969

8/7p/p3p2P/P6P/Q2pN3/P3k3/3N4/5K2

#3

8 + 5


SOLUTION


  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qb3#
  • Tries
    • 1.Qb3+?
      • 1...Kf4
        • 2.Qg3+
          • 2...Kf5
            • 3.Qg5#
      • 1...d3!
    • 1.Qb5?
      • 1...d3
        • 2.Qc5+
          • 2...Kf4
            • 3.Qg5#
        • 2.Qg5+
          • 2...Kd4
            • 3.Qc5#
      • 1...e5
        • 2.Qe2+
          • 2...Kf4
            • 3.Qf3#
      • 1...axb5!
    • 1.Qc4?
      • 1...e5
        • 2.Qe2+
          • 2...Kf4
            • 3.Qf3#
        • 2.Qf7
          • threat
            • 3.Qf3#
          • 2...Kd3
            • 3.Qb3#
          • 2...d3
            • 3.Qf2#
      • 1...d3
        • 2.Qc5+
          • 2...Kf4
            • 3.Qg5#
      • 1...Kf4!
  • Keys
    • 1.Qe8!
      • 1...Kd3
        • 2.Qb8
          • threat
            • 3.Qb3#
          • 2...Kc2
            • 3.Qb1#
          • 2...Ke3
            • 3.Qg3#
      • 1...Kf4
        • 2.Qg8
          • threat
            • 3.Qg5#
          • 2...Ke3
            • 3.Qg3#
          • 2...Ke5
            • 3.Qg5#
          • 2...Kf5
            • 3.Qg5#
      • 1...e5
        • 2.Qf7
          • threat
            • 3.Qf3#
          • 2...Kd3
            • 3.Qb3#
          • 2...d3
            • 3.Qf2#
      • 1...d3
        • 2.Qf8
          • threat
            • 3.Qf2#
          • 2...Kd4
            • 3.Qc5#

FEATURES


NOT CLASSIFIED


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).