Problem Display
PID: 263710 (2B5/8/8/4Q3/2k5/3p4/3P4/3KB3 w - - 0 1)

Vlasenko, Nikolai Fillipovich

Zadachi i Etyudi, 2009

2B5/8/8/4Q3/2k5/3p4/3P4/3KB3

#3

5 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Kc1?
      • 1...Kb3
        • 2.Qc3+
          • 2...Ka2
            • 3.Be6#
            • 3.Qb2#
          • 2...Ka4
            • 3.Bd7#
      • 1...Kb4!
    • 1.Bd7?
      • 1...Kb4
        • 2.Qc3#
      • 1...Kb3!
    • 1.Qc3+?
      • 1...Kb5
        • 2.Bf2
          • 2...Ka4
            • 3.Bd7#
      • 1...Kd5!
    • 1.Qb5+?
      • 1...Kd4
        • 2.Bf2+
          • 2...Ke4
            • 3.Qf5#
      • 1...Kxb5!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Be6+
          • 2...Kd4
            • 3.Qd5#
      • 1...Kb3
        • 2.Be6+
          • 2...Kb2
            • 3.Qa2#
      • 1...Kd4
        • 2.Bf2+
          • 2...Kc4
            • 3.Be6#
          • 2...Ke4
            • 3.Qf5#

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).