Problem Display
PID: 177434 (6b1/3B4/8/2Q5/2NpN2r/3kb3/1P1P1P1P/3K4 w - - 0 1)

Firkov, VN

Udartsev, Valentin Filipovich

Probleemblad, 1978

6b1/3B4/8/2Q5/2NpN2r/3kb3/1P1P1P1P/3K4

#2

9 + 5


SOLUTION


  • COOKED
  • Sets
    • 1...Kxe4
      • 2.Qf5#
    • 1...Bxf2
      • 2.Sxf2#
  • Tries
    • 1.Scd6?
      • threat
        • 2.Qc2#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Bb3+!
    • 1.Bf5?
      • threat
        • 2.Se5#
      • 1...Bf4
        • 2.Sc3#
        • 2.Sg3#
        • 2.Sg5#
        • 2.Sed6#
        • 2.Sf6#
      • 1...Bxc4!
    • 1.Qb5?
      • threat
        • 2.Sc5#
      • 1...Kxe4
        • 2.Qf5#
      • 1...Rxe4
        • 2.Se5#
        • 2.Qb3#
      • 1...Rh5!
  • Keys
    • 1.Sed6!
      • threat
        • 2.Se5#
        • 2.Qa3#
      • 1...Bxd2
        • 2.Se5#
      • 1...Bxc4
        • 2.Qxc4#
      • 1...Re4
        • 2.Qa3#
      • 1...Rh5
        • 2.Qa3#
      • 1...Bf4
        • 2.Bf5#
        • 2.Qa3#
        • 2.Qf5#
    • 1.Qf5!
      • threat
        • 2.Se5#
      • 1...Kxc4
        • 2.Qb5#
      • 1...Bxc4
        • 2.Sc5#
      • 1...Bf4
        • 2.Sed6#

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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).