Problem Display
PID: 260572 (K6n/4B3/7R/8/1N2k2N/1p6/6R1/8 w - - 0 1)

Johner, Hans

Neue Zurcher Zeitung, 1969

K6n/4B3/7R/8/1N2k2N/1p6/6R1/8

#3

6 + 3


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Sets
    • 1...Kf4
      • 2.Re6
        • threat
          • 3.Sd3#
          • 3.Sd5#
          • 3.Bg5#
          • 3.Bd6#
  • Tries
    • 1.Re2+?
      • 1...Kd4
        • 2.Rc6
          • threat
            • 3.Sf3#
            • 3.Sf5#
            • 3.Bf6#
      • 1...Kf4!
    • 1.Rg4+?
      • 1...Ke5
        • 2.Bd6#
      • 1...Ke3!
    • 1.Re6+?
      • 1...Kf4
        • 2.Sd3#
        • 2.Sd5#
        • 2.Bg5#
        • 2.Bd6#
      • 1...Kd4!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rc4+
          • 2...Ke3
            • 3.Bc5#
            • 3.Bg5#
          • 2...Ke5
            • 3.Re2#
      • 1...Ke3
        • 2.Rc4
          • threat
            • 3.Bc5#
            • 3.Bg5#
      • 1...Kd4
        • 2.Re2
          • threat
            • 3.Sf3#
            • 3.Sf5#
            • 3.Bf6#
      • 1...Kf4
        • 2.Rc4+
          • 2...Ke3
            • 3.Bc5#
            • 3.Bg5#
          • 2...Ke5
            • 3.Re2#
        • 2.Re6
          • threat
            • 3.Sd3#
            • 3.Sd5#
            • 3.Bg5#
            • 3.Bd6#
      • 1...Ke5
        • 2.Rg4
          • threat
            • 3.Bf6#
      • 1...Sg6
        • 2.Rc4+
          • 2...Ke3
            • 3.Bc5#
          • 2...Ke5
            • 3.Re2#
      • 1...Sf7
        • 2.Rc4+
          • 2...Ke3
            • 3.Bc5#
          • 2...Ke5
            • 3.Re2#

FEATURES


NOT CLASSIFIED


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).