Problem Display
PID: 263475 (1B1N1K2/3pPp2/1P2p1b1/2pk2r1/2RPrP2/b1R2n2/4PN2/7Q w - - 0 1)

Rossomakho, Felix Vulfovich

Zadachi i Etyudi, 2009

1B1N1K2/3pPp2/1P2p1b1/2pk2r1/2RPrP2/b1R2n2/4PN2/7Q

#3

12 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Rxd4
      • 2.e8Q
        • threat
          • 3.Qxd7#
        • 2...d6
          • 3.Qc6#
    • 1...Sxd4
      • 2.e8S
        • threat
          • 3.Sf6#
        • 2...Rf5
          • 3.Qxe4#
        • 2...f6
          • 3.Sxf6#
    • 1...d6
      • 2.e8S
        • threat
          • 3.Sf6#
          • 3.Sc7#
  • Tries
    • 1.Rxc5+?
      • 1...Kxd4
        • 2.Qxf3
          • threat
            • 3.R3c4#
            • 3.Qd3#
        • 2.Qd1+
          • 2...Sd2
            • 3.Qxd2#
        • 2.e3+
          • 2...Rxe3
            • 3.R3c4#
      • 1...Bxc5!
    • 1.e8Q?
      • threat
        • 2.Qxd7#
      • 1...Se5
        • 2.dxe5
          • threat
            • 3.Qxd7#
          • 2...d6
            • 3.Qc6#
      • 1...cxd4+!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Rxc5+
          • 2...Bxc5
            • 3.Rxc5#
      • 1...Rxd4
        • 2.e8S
          • threat
            • 3.Sf6#
          • 2...Rf5
            • 3.e4#
          • 2...f6
            • 3.Sxf6#
      • 1...Sxd4
        • 2.e8Q
          • threat
            • 3.Qxd7#
          • 2...d6
            • 3.Qc6#
      • 1...cxd4
        • 2.Rc5+
          • 2...Bxc5
            • 3.Qb3#
      • 1...Bb4
        • 2.Rxc5+
          • 2...Bxc5
            • 3.Rxc5#
      • 1...Sd2
        • 2.Qa4
          • threat
            • 3.Qxd7#
            • 3.Qa8#
          • 2...Sxc4
            • 3.Qxc4#
      • 1...d6
        • 2.e8S
          • threat
            • 3.Sf6#
            • 3.Sc7#

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).