Problem Display
PID: 98417 (3B4/4p2b/2pp4/K3k1PN/4pNP1/3pP3/R2R4/8 w - - 0 1)

The Hong Oe

Problem (Zagreb), 1959

3B4/4p2b/2pp4/K3k1PN/4pNP1/3pP3/R2R4/8

#3

9 + 7


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Bg8
      • 2.Sf6
        • threat
          • 3.Sd7#
        • 2...exf6
          • 3.Bxf6#
        • 2...d5
          • 3.Bc7#
        • 2...Be6
          • 3.Sg6#
    • 1...d5
      • 2.Bc7#
    • 1...e6
      • 2.Bf6#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Sd7#
      • 1...exf6
        • 2.Bxf6#
      • 1...d5
        • 2.Bc7#
      • 1...Bf5!
    • 1.Bb6?
      • threat
        • 2.Bd4#
      • 1...d5
        • 2.Bc7#
      • 1...c5!
    • 1.Rdc2?
      • threat
        • 2.Rc5+
          • 2...dxc5
            • 3.Bc7#
          • 2...d5
            • 3.Bc7#
      • 1...Bg8
        • 2.Sf6
          • threat
            • 3.Sd7#
          • 2...exf6
            • 3.Bxf6#
          • 2...d5
            • 3.Bc7#
          • 2...Be6
            • 3.Sg6#
      • 1...c5
        • 2.Rxc5+
          • 2...dxc5
            • 3.Bc7#
          • 2...d5
            • 3.Bc7#
            • 3.Rxd5#
      • 1...dxc2!
  • Keys
    • 1.Rac2!
      • threat
        • 2.Rc5+
          • 2...dxc5
            • 3.Bc7#
          • 2...d5
            • 3.Bc7#
      • 1...dxc2
        • 2.Bb6
          • threat
            • 3.Bd4#
          • 2...d5
            • 3.Bc7#
          • 2...c5
            • 3.Rd5#
      • 1...Bg8
        • 2.Sf6
          • threat
            • 3.Sd7#
          • 2...exf6
            • 3.Bxf6#
          • 2...d5
            • 3.Bc7#
          • 2...Be6
            • 3.Sg6#
      • 1...c5
        • 2.Rxc5+
          • 2...dxc5
            • 3.Bc7#
          • 2...d5
            • 3.Bc7#
            • 3.Rxd5#

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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).