Problem Display
PID: 255943 (7B/2Kpr3/1p1N2p1/bp1kp2N/4b3/R6B/2Pp4/2R2rQ1 w - - 0 1)

Popovski, Aleksandr

Zadachi i Etyudi, 2007

7B/2Kpr3/1p1N2p1/bp1kp2N/4b3/R6B/2Pp4/2R2rQ1

#3

9 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Rxc1
      • 2.Sf6#
    • 1...Rd1
      • 2.Sf6#
    • 1...Re1
      • 2.Sf6#
    • 1...Rf4
      • 2.Sxf4+
        • 2...exf4
          • 3.Qd4#
    • 1...Rf6
      • 2.Sxf6#
    • 1...Bh1
      • 2.Rd3#
    • 1...Bg2
      • 2.Rd3#
    • 1...Bd3
      • 2.Rxd3#
    • 1...Bf3
      • 2.Sf6#
      • 2.Rd3#
  • Tries
    • 1.Sf4+?
      • 1...exf4
        • 2.Qd4#
      • 1...Rxf4!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qxe4+
          • 2...Kc5
            • 3.Sb7#
      • 1...Bxc2
        • 2.Rd3+
          • 2...Bxd3
            • 3.Qxd3#
      • 1...Rf5
        • 2.Qxe4+
          • 2...Kc5
            • 3.Sb7#
          • 2...Ke6
            • 3.Sf4#
            • 3.Qxe5#
      • 1...Bf5
        • 2.Sf6+
          • 2...Ke6
            • 3.Qb3#
      • 1...Rf4
        • 2.Sxf4+
          • 2...exf4
            • 3.Qd4#
      • 1...Bc3
        • 2.Qxe4+
          • 2...Kc5
            • 3.Sb7#
            • 3.Rxc3#
      • 1...b4
        • 2.Qb3+
          • 2...Kd4
            • 3.Qc4#
          • 2...Kc5
            • 3.Qc4#
        • 2.Qxe4+
          • 2...Kc5
            • 3.Qc4#

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).