Problem Display
PID: 48214 (2r1b1r1/8/8/1pp1Qpp1/3q4/3NN3/5K2/kB5R w - - 0 1)

Goldstein, Alexander

Themes-64, 1957

2r1b1r1/8/8/1pp1Qpp1/3q4/3NN3/5K2/kB5R

#3

6 + 9


SOLUTION


  • SOUND
  • Sets
    • 1...Qb2+
      • 2.Sc2#
      • 2.Qxb2#
    • 1...Qc3
      • 2.Sc2#
      • 2.Qxc3#
    • 1...Qxe5
      • 2.Sc2#
    • 1...Rc6
      • 2.Kg2
        • threat
          • 3.Sc2#
    • 1...Ra8
      • 2.Qxd4+
        • 2...cxd4
          • 3.Sc2#
    • 1...Rb8
      • 2.Qxd4+
        • 2...cxd4
          • 3.Sc2#
    • 1...Rd8
      • 2.Qxd4+
        • 2...Rxd4
          • 3.Sc2#
        • 2...cxd4
          • 3.Sc2#
    • 1...Bc6
      • 2.Qxd4+
        • 2...cxd4
          • 3.Sc2#
    • 1...Bg6
      • 2.Kg2
        • threat
          • 3.Sc2#
    • 1...c4
      • 2.Qxd4+
        • 2...c3
          • 3.Sc2#
          • 3.Qa7#
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qa6+
          • 2...Qa4
            • 3.Sc2#
      • 1...Rc6
        • 2.Kg2
          • threat
            • 3.Sc2#
      • 1...Ra8
        • 2.Qxd4+
          • 2...cxd4
            • 3.Sc2#
      • 1...Rg6
        • 2.Ke2
          • threat
            • 3.Sc2#
          • 2...Qe5
            • 3.Qxe5#
      • 1...Bc6
        • 2.Qxd4+
          • 2...cxd4
            • 3.Sc2#
      • 1...Bf7
        • 2.Qa6+
          • 2...Qa4
            • 3.Sc2#
          • 2...Ba2
            • 3.Bxa2#
            • 3.Bc2#
            • 3.Qxa2#
      • 1...b4
        • 2.Qa6+
          • 2...Ba4
            • 3.Qxa4#

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).