Problem Display
PID: 209479 (8/8/Np2K2Q/k7/1N6/6P1/8/8 w - - 0 1)

Lebloch, Ivo

Suomen Shakki, 1991

8/8/Np2K2Q/k7/1N6/6P1/8/8

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Qd2?
      • 1...Ka4
        • 2.Qd5
          • 2...Ka3
            • 3.Qa2#
          • 2...b5
            • 3.Qa2#
      • 1...b5
        • 2.Qc2
          • 2...Kb6
            • 3.Qc7#
        • 2.Qf2
          • 2...Ka4
            • 3.Qa2#
      • 1...Kb5!
    • 1.Qe3?
      • 1...Kb5
        • 2.Qa3
          • 2...Kc4
            • 3.Qd3#
      • 1...b5
        • 2.Sc6+
          • 2...Ka4
            • 3.Sc5#
          • 2...Kxa6
            • 3.Qa7#
        • 2.Qf2
          • 2...Ka4
            • 3.Qa2#
      • 1...Ka4!
    • 1.Qf4?
      • 1...Ka4
        • 2.Qc4
          • 2...Ka3
            • 3.Qa2#
          • 2...Ka5
            • 3.Sc6#
          • 2...b5
            • 3.Qa2#
      • 1...b5
        • 2.Qf2
          • 2...Ka4
            • 3.Qa2#
      • 1...Kb5!
    • 1.Qg5+?
      • 1...Ka4
        • 2.Qd5
          • 2...Ka3
            • 3.Qa2#
          • 2...b5
            • 3.Qa2#
      • 1...b5!
    • 1.Qh5+?
      • 1...Ka4
        • 2.Qd5
          • 2...Ka3
            • 3.Qa2#
          • 2...b5
            • 3.Qa2#
      • 1...b5!
  • Keys
    • 1.Qc1!
      • 1...Ka4
        • 2.Qc4
          • 2...Ka3
            • 3.Qa2#
          • 2...Ka5
            • 3.Sc6#
          • 2...b5
            • 3.Qa2#
      • 1...Kb5
        • 2.Qa3
          • 2...Kc4
            • 3.Qd3#
      • 1...b5
        • 2.Qc2
          • 2...Kb6
            • 3.Qc7#

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).