Problem Display
PID: 256233 (8/7p/p2p2p1/3N4/kB1pP3/3B4/3N4/K7 w - - 0 1)

Grande, Joralf

Skakbladet, 1964

8/7p/p2p2p1/3N4/kB1pP3/3B4/3N4/K7

#3

6 + 6


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Sets
    • 1...a5
      • 2.Bxd6
        • threat
          • 3.Sb6#
  • Tries
    • 1.Sb1?
      • threat
        • 2.Sa3
          • threat
            • 3.Bc2#
          • 2...Kb3
            • 3.Bc2#
      • 1...Kb3
        • 2.Sa3
          • threat
            • 3.Bc2#
          • 2...Ka4
            • 3.Bc2#
      • 1...a5!
    • 1.Sf3?
      • threat
        • 2.Sxd4
          • threat
            • 3.Bc2#
      • 1...Kb3
        • 2.Sxd4+
          • 2...Ka4
            • 3.Bc2#
      • 1...a5!
    • 1.Bf1?
      • threat
        • 2.Bh3
          • threat
            • 3.Bd7#
          • 2...Kb5
            • 3.Bd7#
      • 1...a5
        • 2.Bxd6
          • threat
            • 3.Sb6#
          • 2...d3
            • 3.Sc3#
      • 1...g5!
    • 1.Be2?
      • threat
        • 2.Bg4
          • threat
            • 3.Bd7#
          • 2...Kb5
            • 3.Bd7#
      • 1...a5
        • 2.Bxd6
          • threat
            • 3.Sb6#
          • 2...d3
            • 3.Sc3#
      • 1...h5!
  • Keys
    • 1.e5!
      • 1...dxe5
        • 2.Se4
          • threat
            • 3.Sc5#
          • 2...Kb3
            • 3.Sc5#
      • 1...g5
        • 2.Bf5
          • threat
            • 3.Bd7#
          • 2...Kb5
            • 3.Bd7#
      • 1...a5
        • 2.Bxd6
          • threat
            • 3.Sb6#
      • 1...h5
        • 2.Bxg6
          • threat
            • 3.Be8#
          • 2...Kb5
            • 3.Be8#
      • 1...h6
        • 2.Bxg6
          • threat
            • 3.Be8#
          • 2...Kb5
            • 3.Be8#

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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).