Problem Display
PID: 123579 (6qr/1r1B2Qp/8/1p2pR2/3pNp2/3p1k2/4pP1K/4n3 w - - 0 1)

Zujevas, Nikolajus

Pat a Mat, 1991

6qr/1r1B2Qp/8/1p2pR2/3pNp2/3p1k2/4pP1K/4n3

#3

6 + 12


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qxe5+
        • 2...Kf3
          • 3.Rxf4#
          • 3.Qxf4#
    • 1...Qb3
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qc4
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qd5
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qe6
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qf7
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qa8
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qb8
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qc8
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qd8
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qe8
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
    • 1...Qf8
      • 2.Sd2+
        • 2...Kxf2
          • 3.Qg1#
          • 3.Qg3#
  • Tries
    • 1.Rxf4+?
      • 1...exf4
        • 2.Sd2+
          • 2...Kxf2
            • 3.Qxd4#
      • 1...Kxf4!
  • Keys
    • 1.Kg1!
      • threat
        • 2.Sd2#
      • 1...Qxg7+
        • 2.Rg5
          • threat
            • 3.Sd2#
          • 2...Qxg5+
            • 3.Sxg5#
          • 2...Kxe4
            • 3.Bc6#
          • 2...d2
            • 3.Sxd2#
      • 1...Kxe4
        • 2.Rxe5+
          • 2...Kf3
            • 3.Bg4#
      • 1...Qa2
        • 2.Rxf4+
          • 2...Kxf4
            • 3.Qg4#
          • 2...exf4
            • 3.Sg5#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).