Problem Display
PID: 249282 (8/4N3/kB1PP3/2P5/PP6/3p2K1/4p3/4Q3 w - - 0 1)

Decker, Adolfph L

Deutsche Schachzeitung, 1888

8/4N3/kB1PP3/2P5/PP6/3p2K1/4p3/4Q3

#3

9 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Tries
    • 1.Qh1?
      • threat
        • 2.Qa8#
        • 2.b5#
      • 1...e1B+
        • 2.Kh3
          • threat
            • 3.Qa8#
            • 3.b5#
        • 2.Kg4
          • threat
            • 3.Qa8#
            • 3.b5#
      • 1...e1Q+!
    • 1.d7?
      • threat
        • 2.d8Q
          • threat
            • 3.Qa8#
            • 3.Qc8#
          • 2...Kb7
            • 3.Qc8#
        • 2.d8S
          • 2...d2
            • 3.Qxe2#
            • 3.b5#
      • 1...Kb7
        • 2.Qh1+
          • 2...Ka6
            • 3.Qa8#
            • 3.b5#
          • 2...Kb8
            • 3.d8Q#
            • 3.d8R#
        • 2.d8Q
          • threat
            • 3.Qc8#
          • 2...Ka6
            • 3.Qa8#
            • 3.Qc8#
      • 1...d2!
  • Keys
    • 1.c6!
      • threat
        • 2.Sd5
          • 2...d2
            • 3.Qxe2#
            • 3.b5#
        • 2.Sc8
          • 2...d2
            • 3.Qxe2#
            • 3.b5#
        • 2.Bg1
          • 2...d2
            • 3.Qxe2#
        • 2.Bf2
          • 2...d2
            • 3.Qxe2#
        • 2.Be3
          • 2...d2
            • 3.Qxe2#
        • 2.Bd4
          • 2...d2
            • 3.Qxe2#
        • 2.Bc5
          • 2...d2
            • 3.Qxe2#
        • 2.Qf2
          • threat
            • 3.b5#
      • 1...Kxb6
        • 2.Sc8+
          • 2...Ka6
            • 3.b5#
          • 2...Kxc6
            • 3.Qh1#
      • 1...d2
        • 2.Qf2
          • threat
            • 3.b5#

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).