Problem Display
PID: 31656 (8/8/3K4/N5Q1/k7/8/6p1/8 w - - 0 1)

Rombach, Harry

The Problemist, 1927

8/8/3K4/N5Q1/k7/8/6p1/8

#3

3 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qb5+?
      • 1...Ka3
        • 2.Qb3#
      • 1...Kxb5!
  • Keys
    • 1.Kc5!
      • 1...g1Q+
        • 2.Qxg1
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
          • 2...Kxa5
            • 3.Qa1#
      • 1...g1B+
        • 2.Qxg1
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
          • 2...Kxa5
            • 3.Qa1#
      • 1...Ka3
        • 2.Qxg2
          • 2...Ka4
            • 3.Qa2#
      • 1...Kxa5
        • 2.Qxg2
          • threat
            • 3.Qa8#
            • 3.Qa2#
          • 2...Ka4
            • 3.Qa2#
          • 2...Ka6
            • 3.Qa8#
      • 1...g1S
        • 2.Qc1
          • threat
            • 3.Qa1#
          • 2...Kxa5
            • 3.Qa3#
            • 3.Qa1#
        • 2.Qf6
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
          • 2...Kxa5
            • 3.Qa1#
        • 2.Qxg1
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
          • 2...Kxa5
            • 3.Qa1#
        • 2.Qd5
          • threat
            • 3.Qa2#
          • 2...Ka3
            • 3.Qb3#
          • 2...Kxa5
            • 3.Qa2#
            • 3.Qa8#
        • 2.Qe5
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
          • 2...Kxa5
            • 3.Qa1#
        • 2.Qg7
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
          • 2...Kxa5
            • 3.Qa1#
            • 3.Qa7#
        • 2.Qg8
          • threat
            • 3.Qa2#
          • 2...Ka3
            • 3.Qb3#
          • 2...Kxa5
            • 3.Qa2#
            • 3.Qa8#
      • 1...g1R
        • 2.Qxg1
          • threat
            • 3.Qa1#
          • 2...Ka3
            • 3.Qa1#
          • 2...Kxa5
            • 3.Qa1#

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).