Problem Display
PID: 228320 (8/4Q3/3pN3/3k4/2pb2K1/3R4/1P6/8 w - - 0 1)

Makovsky, Karel

Svetozor, 1870

8/4Q3/3pN3/3k4/2pb2K1/3R4/1P6/8

#3

5 + 4


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sf4+
        • 2...Be5
          • 3.Qh7#
    • 1...Ke5
      • 2.Sf4#
      • 2.Sc7#
  • Tries
    • 1.Rxd4+?
      • 1...Ke5
        • 2.Rd1
          • threat
            • 3.Sf4#
            • 3.Sc5#
            • 3.Sg5#
            • 3.Sc7#
            • 3.Sg7#
            • 3.Sd8#
            • 3.Sf8#
          • 2...Ke4
            • 3.Sf4#
            • 3.Sc5#
            • 3.Sg5#
            • 3.Sc7#
            • 3.Sg7#
            • 3.Sd8#
            • 3.Sf8#
        • 2.Rd2
          • threat
            • 3.Sf4#
            • 3.Sc5#
            • 3.Sg5#
            • 3.Sc7#
            • 3.Sg7#
            • 3.Sd8#
            • 3.Sf8#
          • 2...Ke4
            • 3.Sf4#
            • 3.Sc5#
            • 3.Sg5#
            • 3.Sc7#
            • 3.Sg7#
            • 3.Sd8#
            • 3.Sf8#
        • 2.Rxd6
          • threat
            • 3.Sd4#
            • 3.Sf4#
            • 3.Sc5#
            • 3.Sg5#
            • 3.Sc7#
            • 3.Sg7#
            • 3.Sd8#
            • 3.Sf8#
          • 2...Ke4
            • 3.Sf4#
            • 3.Sc5#
            • 3.Sg5#
            • 3.Sc7#
            • 3.Sg7#
            • 3.Sd8#
            • 3.Sf8#
      • 1...Kc6!
    • 1.Qxd6+?
      • 1...Ke4
        • 2.Qxd4#
      • 1...Kxd6!
  • Keys
    • 1.Qe8!
      • threat
        • 2.Sc7+
          • 2...Kc5
            • 3.Qb5#
      • 1...Ke4
        • 2.Sf4+
          • 2...Be5
            • 3.Qg6#
      • 1...Ke5
        • 2.Sf4+
          • 2...Kf6
            • 3.Sh5#
      • 1...cxd3
        • 2.Sc7+
          • 2...Kc4
            • 3.Qb5#
          • 2...Kc5
            • 3.Qb5#
      • 1...c3
        • 2.Sc7+
          • 2...Kc4
            • 3.Qb5#
          • 2...Kc5
            • 3.Qb5#

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).