Problem Display
PID: 134055 (1K2BRr1/5bpr/3B2kn/3NPNPp/3Q1pPq/7p/7b/8 w - - 0 1)

Bourd, Evgeny

Grinblat, Arieh

2nd Prize, The Problemist, 2009

1K2BRr1/5bpr/3B2kn/3NPNPp/3Q1pPq/7p/7b/8

#3

10 + 11


56 The Problemist 2011

SOLUTION


  • SOUND
  • Sets
    • 1...Bg1
      • 2.Sfe7+
        • 2...Kxg5
          • 3.Qxf4#
    • 1...f3
      • 2.Sxh4+
        • 2...Kxg5
          • 3.Be7#
  • Tries
    • 1.Sxf4+?
      • 1...Kxg5
        • 2.Se6+
          • 2...Kg6
            • 3.Sxh4#
          • 2...Bxe6
            • 3.Be7#
      • 1...Bxf4!
    • 1.Qd3?
      • threat
        • 2.Sfe3+
          • 2...Kxg5
            • 3.Be7#
          • 2...Sf5
            • 3.Qxf5#
      • 1...Qxg4
        • 2.Sh4+
          • 2...Kxg5
            • 3.Be7#
      • 1...Sxg4
        • 2.Sh6+
          • 2...Kxg5
            • 3.Sxf7#
      • 1...hxg4
        • 2.Sg3+
          • 2...Kxg5
            • 3.Be7#
          • 2...Sf5
            • 3.Qxf5#
      • 1...Kxg5!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Sfe3+
          • 2...Kxg5
            • 3.Be7#
          • 2...Sf5
            • 3.Qxf5#
      • 1...Kxg5
        • 2.Be7+
          • 2...Kxg4
            • 3.Sde3#
          • 2...Kg6
            • 3.Sxh4#
      • 1...Qxg4
        • 2.Sh4+
          • 2...Kxg5
            • 3.Be7#
      • 1...Sxg4
        • 2.Sh6+
          • 2...Kxg5
            • 3.Sxf7#
      • 1...hxg4
        • 2.Sg3+
          • 2...Kxg5
            • 3.Be7#
          • 2...Sf5
            • 3.Qxf5#

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).