Problem Display
PID: 173220 (8/1B2Q1K1/8/8/3k4/7P/8/2N5 w - - 0 1)

Howard, David M

Problem Observer, 1988

8/1B2Q1K1/8/8/3k4/7P/8/2N5

#3

5 + 1


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Sa2?
      • threat
        • 2.Qe4+
          • 2...Kc5
            • 3.Qb4#
      • 1...Kc4
        • 2.Qa3
          • 2...Kd4
            • 3.Qc3#
          • 2...Kb5
            • 3.Qb4#
      • 1...Kd3!
    • 1.Qb4+?
      • 1...Ke5
        • 2.Qc5+
          • 2...Kf4
            • 3.Se2#
          • 2...Ke6
            • 3.Bc8#
      • 1...Ke3!
  • Keys
    • 1.Qa3!
      • 1...Kc4
        • 2.Sa2
          • 2...Kd4
            • 3.Qc3#
          • 2...Kb5
            • 3.Qb4#
      • 1...Ke5
        • 2.Qc5+
          • 2...Kf4
            • 3.Se2#
          • 2...Ke6
            • 3.Bc8#

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).