Problem Display
PID: 267341 (8/8/8/6K1/3Pk3/8/1Q6/1R4N1 w - - 0 1)

Zheltukhov, Viktor Ivanovich

Zadachi i Etyudi, 2012

8/8/8/6K1/3Pk3/8/1Q6/1R4N1

#3

5 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Rd1?
      • threat
        • 2.Qa2
          • 2...Ke3
            • 3.Qe2#
        • 2.Qg2+
          • 2...Ke3
            • 3.Qf3#
            • 3.Qe2#
        • 2.Qb5
          • 2...Ke3
            • 3.Qe2#
        • 2.Qb7+
          • 2...Ke3
            • 3.Qf3#
        • 2.d5
          • 2...Ke3
            • 3.Qd4#
            • 3.Qe2#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5!
    • 1.Qc2+?
      • 1...Ke3
        • 2.Sf3
          • 2...Kxf3
            • 3.Rb3#
      • 1...Kxd4
        • 2.Rd1+
          • 2...Ke3
            • 3.Qe2#
          • 2...Ke5
            • 3.Qf5#
            • 3.Qe2#
      • 1...Kd5!
  • Keys
    • 1.Sf3!
      • 1...Kd3
        • 2.Kf4
          • 2...Kc4
            • 3.Qb3#
      • 1...Ke3
        • 2.Qc2
          • 2...Kxf3
            • 3.Rb3#
      • 1...Kxf3
        • 2.Re1
          • 2...Kg3
            • 3.Re3#
      • 1...Kd5
        • 2.Qb7+
          • 2...Kc4
            • 3.Qb3#
          • 2...Kd6
            • 3.Rb6#
          • 2...Ke6
            • 3.Rb6#

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).