Problem Display
PID: 166818 (K7/8/8/2k5/4Q3/3PP3/1P1N4/8 w - - 0 1)

Rimkus, Mecislovas

Sachmatija, 2010

K7/8/8/2k5/4Q3/3PP3/1P1N4/8

#3

6 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Kb5
      • 2.Sb3
        • 2...Ka6
          • 3.Qc6#
          • 3.Qb7#
        • 2...Kb6
          • 3.Qb7#
  • Tries
    • 1.Ka7?
      • 1...Kb5
        • 2.Qc4+
          • 2...Ka5
            • 3.Sb3#
      • 1...Kd6!
    • 1.Kb7?
      • 1...Kb5
        • 2.Qc4+
          • 2...Ka5
            • 3.Sb3#
      • 1...Kd6!
    • 1.Sb3+?
      • 1...Kb5
        • 2.Kb8
          • 2...Ka6
            • 3.Qc6#
            • 3.Qb7#
          • 2...Kb6
            • 3.Qb7#
        • 2.Qd5+
          • 2...Ka4
            • 3.Qc4#
          • 2...Kb4
            • 3.Qc4#
          • 2...Ka6
            • 3.Qc6#
            • 3.Qb7#
            • 3.Qa5#
          • 2...Kb6
            • 3.Qb7#
        • 2.Qe6
          • 2...Ka4
            • 3.Qc4#
          • 2...Kb4
            • 3.Qc4#
      • 1...Kd6!
    • 1.Qe6?
      • 1...Kb5
        • 2.Sb3
          • 2...Ka4
            • 3.Qc4#
          • 2...Kb4
            • 3.Qc4#
      • 1...Kb4!
    • 1.b3?
      • 1...Kb5
        • 2.Qb7+
          • 2...Ka5
            • 3.Sc4#
          • 2...Kc5
            • 3.Se4#
      • 1...Kb6
        • 2.Qb7+
          • 2...Ka5
            • 3.Sc4#
          • 2...Kc5
            • 3.Se4#
      • 1...Kd6!
  • Keys
    • 1.Sc4!
      • 1...Kb4
        • 2.Qb7+
          • 2...Ka4
            • 3.b3#
          • 2...Kc5
            • 3.b4#
      • 1...Kb5
        • 2.Qb7+
          • 2...Ka4
            • 3.b3#
          • 2...Kc5
            • 3.b4#

FEATURES


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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).