Problem Display
PID: 127812 (K7/8/8/1p3B2/8/1n6/4k3/1N4Q1 w - - 0 1)

Fomichev, Evgeny Vasilevich

Sach-Mat, 1990

K7/8/8/1p3B2/8/1n6/4k3/1N4Q1

#3

4 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qf2+?
      • 1...Kd1
        • 2.Qf1#
      • 1...Kxf2!
    • 1.Qe3+?
      • 1...Kd1
        • 2.Sc3#
      • 1...Kf1
        • 2.Bh3#
      • 1...Kxe3!
    • 1.Qg2+?
      • 1...Ke1
        • 2.Bd3
          • threat
            • 3.Qf1#
            • 3.Qg1#
            • 3.Qe2#
          • 2...Kd1
            • 3.Qf1#
            • 3.Qh1#
            • 3.Qg1#
        • 2.Bg4
          • threat
            • 3.Qg1#
            • 3.Qe2#
      • 1...Ke3!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Bd3+
          • 2...Kd1
            • 3.Qg1#
      • 1...Kd1
        • 2.Qf2
          • threat
            • 3.Qf1#
          • 2...Kc1
            • 3.Qc2#
          • 2...Sd2
            • 3.Qxd2#
      • 1...Sc1
        • 2.Bg4+
          • 2...Kf1
            • 3.Sd2#
      • 1...Sd2
        • 2.Sc3+
          • 2...Kf1
            • 3.Bd3#
            • 3.Bh3#
      • 1...Sc5
        • 2.Bg4+
          • 2...Kf1
            • 3.Sd2#

FEATURES


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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).