Problem Display
PID: 254962 (8/3Q4/2B5/8/K7/2p1k3/7B/8 w - - 0 1)

Astafyeva, Aliona

The Problemist, 2021

8/3Q4/2B5/8/K7/2p1k3/7B/8

#3

4 + 2


SOLUTION


  • SOUND
  • Tries
    • 1.Bg3?
      • 1...Ke2
        • 2.Be4
          • threat
            • 3.Qd3#
          • 2...Kf1
            • 3.Qd1#
          • 2...Ke3
            • 3.Qd3#
      • 1...c2!
    • 1.Qd3+?
      • 1...Kf2
        • 2.Bg3+
          • 2...Kg1
            • 3.Qb1#
            • 3.Qd1#
        • 2.Bf3
          • threat
            • 3.Qe2#
          • 2...Ke1
            • 3.Bg3#
            • 3.Qe2#
      • 1...Kxd3!
  • Keys
    • 1.Bb5!
      • threat
        • 2.Qd3+
          • 2...Kf2
            • 3.Qe2#
            • 3.Qg3#
      • 1...Kf2
        • 2.Qg4
          • threat
            • 3.Qe2#
            • 3.Qg3#
          • 2...Ke1
            • 3.Qe2#
          • 2...Ke3
            • 3.Qf4#
      • 1...Kf3
        • 2.Qh3+
          • 2...Kf2
            • 3.Qg3#
          • 2...Ke4
            • 3.Qd3#

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).