Problem Display
PID: 244080 (1b5N/1r2p3/4p3/1p4Bk/3pNp2/Qp5P/6P1/6nK w - - 0 1)

Fomichev, Evgeny Vasilevich

Zadachi i Etyudi, 2002

1b5N/1r2p3/4p3/1p4Bk/3pNp2/Qp5P/6P1/6nK

#3

7 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...f3
      • 2.g4#
  • Tries
    • 1.Qb2?
      • threat
        • 2.Qf2
          • threat
            • 3.Qh4#
          • 2...Sf3
            • 3.Qxf3#
      • 1...Sxh3
        • 2.Qe2+
          • 2...f3
            • 3.Qxf3#
      • 1...Se2
        • 2.Qxe2+
          • 2...f3
            • 3.Qxf3#
            • 3.g4#
        • 2.g4+
          • 2...fxg4 ep
            • 3.Qxe2#
      • 1...Sf3
        • 2.Qe2
          • threat
            • 3.Qxf3#
      • 1...Be5!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qxf4
          • threat
            • 3.Sg3#
            • 3.Qg4#
            • 3.Qh4#
            • 3.Qf7#
            • 3.g4#
      • 1...Sxh3
        • 2.Qd1+
          • 2...f3
            • 3.Qxf3#
      • 1...Se2
        • 2.Qxf4
          • threat
            • 3.Qf3#
            • 3.Qg4#
            • 3.Qh4#
            • 3.Qf7#
            • 3.g4#
          • 2...Sg3+
            • 3.Sxg3#
      • 1...Sf3
        • 2.Qxf4
          • threat
            • 3.Sg3#
            • 3.Qxf3#
            • 3.Qg4#
            • 3.Qf7#
            • 3.g4#
          • 2...Sxg5
            • 3.Qxg5#
        • 2.Qd1
          • threat
            • 3.Qxf3#
      • 1...e5
        • 2.g4+
          • 2...fxg4 ep
            • 3.Sxg3#

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).