Problem Display
PID: 188441 (5b2/4n2Q/5p2/7p/1n1p1P1P/1rP1pP1K/2NP3B/Rb5k w - - 0 1)

Darvall, RJ

To Alain White, 1945

5b2/4n2Q/5p2/7p/1n1p1P1P/1rP1pP1K/2NP3B/Rb5k

#3

10 + 10


SOLUTION


  • SOUND
  • Sets
    • 1...Ra3
      • 2.Rxb1#
    • 1...Rxc3
      • 2.Rxb1#
    • 1...Sc6
      • 2.Qg6
        • threat
          • 3.Qg1#
          • 3.Qg2#
    • 1...Sg6
      • 2.Qxg6
        • threat
          • 3.Qg1#
          • 3.Qg2#
    • 1...Sc8
      • 2.Qg6
        • threat
          • 3.Qg1#
          • 3.Qg2#
    • 1...Sg8
      • 2.Qg6
        • threat
          • 3.Qg1#
          • 3.Qg2#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Qf1#
      • 1...e2
        • 2.Qxe2
          • threat
            • 3.Qd1#
            • 3.Qf1#
            • 3.Qe1#
            • 3.Qg2#
      • 1...Sxd3!
    • 1.Qg7?
      • threat
        • 2.Qg1#
        • 2.Qg2#
      • 1...Sg6
        • 2.Qxg6
          • threat
            • 3.Qg1#
            • 3.Qg2#
      • 1...Bxg7!
  • Keys
    • 1.Sxe3!
      • threat
        • 2.Rxb1+
          • 2...Rxb1
            • 3.Qxb1#
        • 2.Qxb1+
          • 2...Rxb1
            • 3.Rxb1#
      • 1...Rxc3
        • 2.Rxb1+
          • 2...Rc1
            • 3.Rxc1#
        • 2.Qxb1+
          • 2...Rc1
            • 3.Qxc1#
      • 1...Rb2
        • 2.Rxb1+
          • 2...Rxb1
            • 3.Qxb1#
        • 2.Qxb1+
          • 2...Rxb1
            • 3.Rxb1#
      • 1...Sa2
        • 2.Qd3
          • threat
            • 3.Qf1#
      • 1...Sc2
        • 2.Sd1
          • threat
            • 3.Sf2#
        • 2.Qxc2
          • threat
            • 3.Qd1#
            • 3.Qc1#
      • 1...Sd3
        • 2.Qxd3
          • threat
            • 3.Qf1#
      • 1...Sf5
        • 2.Sxf5
          • threat
            • 3.Sg3#
      • 1...Sg6
        • 2.Qxg6
          • threat
            • 3.Qg1#
            • 3.Qg2#
      • 1...d3
        • 2.Sd1
          • threat
            • 3.Sf2#
      • 1...f5
        • 2.Sf1
          • threat
            • 3.Sg3#

FEATURES


NOT CLASSIFIED


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).