Problem Display
PID: 135038 (5K2/8/8/3p1BB1/3k4/8/P5Q1/8 w - - 0 1)

van Rey, Loek

2nd Comm., Probleemblad, 2009

5K2/8/8/3p1BB1/3k4/8/P5Q1/8

#3

5 + 2


102 Probleemblad 2011

SOLUTION


  • SOUND
  • Tries
    • 1.Qb2+?
      • 1...Kc4
        • 2.Be7
          • 2...d4
            • 3.Qb3#
      • 1...Kc5!
    • 1.Qf2+?
      • 1...Kc3
        • 2.Be7
          • 2...Kc4
            • 3.Qc5#
          • 2...d4
            • 3.Qc2#
      • 1...Kc4!
  • Keys
    • 1.Be7!
      • threat
        • 2.Qg3
          • 2...Kc4
            • 3.Qd3#
      • 1...Kc3
        • 2.Qf2
          • 2...Kc4
            • 3.Qc5#
          • 2...d4
            • 3.Qc2#
      • 1...Ke3
        • 2.Bf6
          • 2...Kf4
            • 3.Qf2#
          • 2...d4
            • 3.Bg5#
      • 1...Kc4
        • 2.Qb2
          • 2...d4
            • 3.Qb3#
      • 1...Ke5
        • 2.Qg4
          • 2...d4
            • 3.Qe4#

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).