Problem Display
PID: 200624 (8/1n1b2B1/r1PP3R/3pNP2/P2k4/P3p1P1/1P2B1P1/3K4 w - - 0 1)

Makaronets, Leonid

Zadachi i Etyudi, 2017

8/1n1b2B1/r1PP3R/3pNP2/P2k4/P3p1P1/1P2B1P1/3K4

#3

13 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sxd7+
        • 2...Kxc6
          • 3.Bb5#
    • 1...Sc5
      • 2.Rh4+
        • 2...Se4
          • 3.Sxd7#
  • Tries
    • 1.Sf3+?
      • 1...Kc5
        • 2.Bd4+
          • 2...Kxc6
            • 3.Se5#
            • 3.Bb5#
      • 1...Ke4!
  • Keys
    • 1.Kc2!
      • threat
        • 2.Sxd7+
          • 2...Ke4
            • 3.Bd3#
      • 1...Rxc6+
        • 2.Sc4+
          • 2...Ke4
            • 3.Bd3#
          • 2...Kc5
            • 3.b4#
      • 1...Bxf5+
        • 2.Sd3+
          • 2...Kc4
            • 3.b3#
          • 2...Ke4
            • 3.Bf3#
      • 1...Ke4
        • 2.Bd3+
          • 2...Kd4
            • 3.Sxd7#
      • 1...Kc5
        • 2.Sxd7+
          • 2...Kxc6
            • 3.Bb5#
      • 1...Bxc6
        • 2.Sf3+
          • 2...Ke4
            • 3.Bd3#
          • 2...Kc5
            • 3.Bd4#
        • 2.Sc4+
          • 2...Ke4
            • 3.Bd3#
          • 2...Kc5
            • 3.b4#
        • 2.Sd7+
          • 2...Ke4
            • 3.Bd3#
      • 1...Be6
        • 2.Sd7+
          • 2...Ke4
            • 3.Bd3#
      • 1...Bc8
        • 2.Sd7+
          • 2...Ke4
            • 3.Bd3#
      • 1...Be8
        • 2.Sd7+
          • 2...Ke4
            • 3.Bd3#
      • 1...Sc5
        • 2.Rh4+
          • 2...Se4
            • 3.Sxd7#

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).