Problem Display
PID: 205865 (8/8/2p1p3/5kBB/8/8/4K3/7Q w - - 0 1)

Muller, Dieter

Troll, 2019

8/8/2p1p3/5kBB/8/8/4K3/7Q

#3

4 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Qxc6?
      • 1...Ke5
        • 2.Qc5+
          • 2...Ke4
            • 3.Bf3#
            • 3.Bg6#
      • 1...Kxg5!
    • 1.Qc1?
      • threat
        • 2.Qf4#
      • 1...Ke4
        • 2.Qc5
          • 2...e5
            • 3.Bg6#
      • 1...Ke5
        • 2.Qc5+
          • 2...Ke4
            • 3.Bf3#
            • 3.Bg6#
      • 1...e5!
    • 1.Qg1?
      • 1...Ke4
        • 2.Qc5
          • 2...e5
            • 3.Bg6#
      • 1...Ke5
        • 2.Qc5+
          • 2...Ke4
            • 3.Bf3#
            • 3.Bg6#
      • 1...c5!
    • 1.Qh4?
      • threat
        • 2.Qf4#
      • 1...e5
        • 2.Qg4#
      • 1...Ke5!
  • Keys
    • 1.Be7!
      • threat
        • 2.Ke3
          • threat
            • 3.Qe4#
          • 2...Ke5
            • 3.Qe4#
          • 2...e5
            • 3.Qh3#
      • 1...Kf4
        • 2.Bf6
          • threat
            • 3.Qf3#
          • 2...Kg3
            • 3.Be5#
          • 2...Kf5
            • 3.Qf3#
      • 1...Ke5
        • 2.Ke3
          • threat
            • 3.Qe4#
          • 2...Kf5
            • 3.Qe4#
      • 1...e5
        • 2.Qxc6
          • 2...Kf4
            • 3.Qf3#
          • 2...e4
            • 3.Qf6#

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).