Problem Display
PID: 127791 (b2r4/2pr1p2/p3p3/p2k4/Q4p2/3N1p2/3R1p2/K3b3 w - - 0 1)

Fomichev, Evgeny Vasilevich

Buletyn, 1988

b2r4/2pr1p2/p3p3/p2k4/Q4p2/3N1p2/3R1p2/K3b3

#3

4 + 13


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Qb5+?
      • 1...Kd4
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...c5
        • 2.Qxc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...axb5!
    • 1.Qc4+?
      • 1...Kd6
        • 2.Qc5#
      • 1...Kxc4!
    • 1.Qxa5+?
      • 1...Kc4
        • 2.Se5+
          • 2...Kb3
            • 3.Rb2#
        • 2.Qc5+
          • 2...Kb3
            • 3.Qb4#
      • 1...Kd4
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...c5
        • 2.Qxc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...Kc6!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...Kd4
        • 2.Qc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...Ke4
        • 2.Sxf2+
          • 2...Ke3
            • 3.Sd1#
            • 3.Sg4#
          • 2...Ke5
            • 3.Sg4#
      • 1...Bxd2
        • 2.Qc5+
          • 2...Ke4
            • 3.Sxf2#
      • 1...c5
        • 2.Qxc5+
          • 2...Ke4
            • 3.Qe5#
      • 1...f6
        • 2.Sxf4+
          • 2...Ke5
            • 3.Sg6#

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).