Problem Display
PID: 85616 (k7/b7/R1p5/N2p3p/7p/4NK1p/7B/8 w - - 0 1)

Petrovich, Vitaly

US Problem Bulletin, 1982

k7/b7/R1p5/N2p3p/7p/4NK1p/7B/8

#3

5 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...d4
      • 2.Sec4
        • threat
          • 3.Sb6#
    • 1...c5
      • 2.Sxd5
        • 2...c4
          • 3.Sb6#
  • Tries
    • 1.Ke2?
      • 1...c5
        • 2.Sxd5
          • 2...c4
            • 3.Sb6#
      • 1...d4!
    • 1.Bf4?
      • 1...d4
        • 2.Sec4
          • threat
            • 3.Sb6#
      • 1...c5
        • 2.Sxd5
          • threat
            • 3.Sb6#
      • 1...h2!
    • 1.Be5?
      • 1...d4
        • 2.Sec4
          • threat
            • 3.Sb6#
      • 1...c5
        • 2.Sxd5
          • threat
            • 3.Sb6#
      • 1...h2!
    • 1.Bd6?
      • 1...d4
        • 2.Sec4
          • threat
            • 3.Sb6#
      • 1...c5
        • 2.Sxd5
          • threat
            • 3.Sb6#
      • 1...h2!
    • 1.Bc7?
      • 1...d4
        • 2.Sec4
          • threat
            • 3.Sb6#
      • 1...c5
        • 2.Sxd5
          • threat
            • 3.Sb6#
      • 1...h2!
  • Keys
    • 1.Kf2!
      • 1...d4
        • 2.Sec4
          • threat
            • 3.Sb6#
      • 1...c5
        • 2.Sxd5
          • 2...c4+
            • 3.Sb6#

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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).