Problem Display
PID: 33845 (8/2K4p/6pr/8/1p1pB3/kp1N1Q2/8/8 w - - 0 1)

Howard, David M

Problem Observer, 1995

8/2K4p/6pr/8/1p1pB3/kp1N1Q2/8/8

#3

4 + 7


SOLUTION


  • SOUND
  • Tries
    • 1.Bxg6?
      • threat
        • 2.Qa8#
      • 1...Ka2
        • 2.Qg2+
          • 2...Ka1
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...Ka3
            • 3.Qa8#
          • 2...b2
            • 3.Qxb2#
      • 1...Rxg6
        • 2.Qa8+
          • 2...Ra6
            • 3.Qxa6#
      • 1...b2
        • 2.Sc5+
          • 2...Ka2
            • 3.Qa8#
          • 2...b3
            • 3.Qxb3#
          • 2...d3
            • 3.Qa8#
      • 1...Rh5
        • 2.Qa8+
          • 2...Ra5
            • 3.Qxa5#
      • 1...Ka4!
    • 1.Qf8?
      • threat
        • 2.Qa8#
      • 1...b2
        • 2.Bd5
          • threat
            • 3.Qxb4#
            • 3.Qa8#
          • 2...Ka4
            • 3.Qxb4#
        • 2.Qxb4+
          • 2...Ka2
            • 3.Qxb2#
      • 1...Rh5
        • 2.Qa8+
          • 2...Ra5
            • 3.Qxa5#
      • 1...g5
        • 2.Qa8+
          • 2...Ra6
            • 3.Qxa6#
      • 1...Ka2!
  • Keys
    • 1.Bf5!
      • threat
        • 2.Qa8#
      • 1...Ka2
        • 2.Qg2+
          • 2...Ka1
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
          • 2...Ka3
            • 3.Qa8#
          • 2...b2
            • 3.Qxb2#
      • 1...Ka4
        • 2.Bd7+
          • 2...Ka3
            • 3.Qa8#
          • 2...Ka5
            • 3.Qa8#
      • 1...gxf5
        • 2.Qa8+
          • 2...Ra6
            • 3.Qxa6#
      • 1...b2
        • 2.Sc5+
          • 2...Ka2
            • 3.Qa8#
          • 2...b3
            • 3.Qxb3#
          • 2...d3
            • 3.Qa8#
      • 1...g5
        • 2.Qa8+
          • 2...Ra6
            • 3.Qxa6#

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).