Problem Display
PID: 206634 (2Kn1R1r/2p3PN/1p1k1Pp1/1PqpRp2/1P6/1r2P3/B1QN1B2/3n4 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Makaronets, Leonid

Sachmatija, 2019

2Kn1R1r/2p3PN/1p1k1Pp1/1PqpRp2/1P6/1r2P3/B1QN1B2/3n4

#3

13 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Qxe3
      • 2.Qxc7#
    • 1...Qxb4
      • 2.Qxc7#
    • 1...Qd4
      • 2.Qxc7#
    • 1...Qxb5
      • 2.Qxc7#
    • 1...d4
      • 2.Qxc5+
        • 2...bxc5
          • 3.Sc4#
  • Tries
    • 1.Qxc5+?
      • 1...Kxe5
        • 2.Qxc7+
          • 2...Ke6
            • 3.Sg5#
            • 3.Qe7#
      • 1...bxc5!
    • 1.bxc5+?
      • 1...Kxe5
        • 2.Sf3+
          • 2...Ke6
            • 3.Shg5#
      • 1...bxc5!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Re6+
          • 2...Sxe6
            • 3.Sf7#
      • 1...Kxe5
        • 2.Bg3+
          • 2...f4
            • 3.Bxf4#
      • 1...Rxe3
        • 2.Rxd5+
          • 2...Qxd5
            • 3.Qxc7#
      • 1...Rxf8
        • 2.gxf8Q+
          • 2...Kxe5
            • 3.Sdf3#
      • 1...d4
        • 2.Qxc5+
          • 2...bxc5
            • 3.Sc4#

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).