Problem Display
PID: 33453 (8/B1K5/5p2/R5p1/4k3/2Pr4/1nQP1R2/2n5 w - - 0 1)

Kwiatkowski, Vitaly I

Shakhmaty, 1978

8/B1K5/5p2/R5p1/4k3/2Pr4/1nQP1R2/2n5

#3

7 + 6


SOLUTION


  • SOUND
  • Sets
    • 1...Sd1
      • 2.Qa4+
        • 2...Rd4
          • 3.Qxd4#
    • 1...Sa4
      • 2.Qxa4+
        • 2...Rd4
          • 3.Qxd4#
  • Tries
    • 1.Qa4+?
      • 1...Sc4
        • 2.Qc6+
          • 2...Rd5
            • 3.Qxd5#
        • 2.Qxc4+
          • 2...Rd4
            • 3.Qxd4#
      • 1...Sxa4!
  • Keys
    • 1.Qb1!
      • 1...Sa2
        • 2.Qe1+
          • 2...Re3
            • 3.Qxe3#
        • 2.Qh1+
          • 2...Rf3
            • 3.Qxf3#
      • 1...Se2
        • 2.Qh1+
          • 2...Rf3
            • 3.Qxf3#
      • 1...Sb3
        • 2.Qe1+
          • 2...Re3
            • 3.Qxe3#
        • 2.Qh1+
          • 2...Rf3
            • 3.Qxf3#
      • 1...Sd1
        • 2.Qb4+
          • 2...Rd4
            • 3.Qxd4#
        • 2.Qb7+
          • 2...Rd5
            • 3.Qxd5#
      • 1...Sa4
        • 2.Qb4+
          • 2...Rd4
            • 3.Qxd4#
        • 2.Qb7+
          • 2...Rd5
            • 3.Qxd5#
      • 1...Sc4
        • 2.Qb7+
          • 2...Rd5
            • 3.Qxd5#
      • 1...g4
        • 2.Be3
          • threat
            • 3.Rf4#
          • 2...Se2
            • 3.Qh1#
      • 1...f5
        • 2.Bd4
          • threat
            • 3.Re5#
          • 2...Sc4
            • 3.Qb7#

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).