Problem Display
PID: 186758 (6K1/8/5N2/3p2R1/5b1n/3Rpk2/2B1n2Q/5b2 w - - 0 1)

Niestroj, Georg

Troll, 2018

6K1/8/5N2/3p2R1/5b1n/3Rpk2/2B1n2Q/5b2

#4

6 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Rd1!
      • threat
        • 2.Rxf1#
      • 1...Bg3
        • 2.Rxf1+
          • 2...Bf2
            • 3.Bd1
              • threat
                • 4.Qg3#
              • 3...Sf5
                • 4.Rxf5#
      • 1...Bh3
        • 2.Be4+
          • 2...dxe4
            • 3.Qh1+
              • 3...Kf2
                • 4.Sxe4#
              • 3...Bg2
                • 4.Rf1#
              • 3...Sg2
                • 4.Rf1#
                • 4.Qf1#
      • 1...Sg3
        • 2.Rxf1+
          • 2...Sxf1
            • 3.Bd1+
              • 3...e2
                • 4.Qxe2#

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).