Problem Display
PID: 257114 (N1k4K/2P2B1P/1PPP4/8/7B/8/b2r4/1r6 w - - 0 1)

Makarenko, Petr Leontevich

Schach, 1974

N1k4K/2P2B1P/1PPP4/8/7B/8/b2r4/1r6

#4

9 + 4


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Kg7!
      • threat
        • 2.h8Q#
        • 2.h8R#
      • 1...Rg1+
        • 2.Bg3
          • threat
            • 3.b7#
            • 3.h8Q#
            • 3.h8R#
          • 2...Rxg3+
            • 3.Kh8
              • threat
                • 4.b7#
              • 3...Rg8+
                • 4.hxg8Q#
                • 4.hxg8R#
              • 3...Rb2
                • 4.d7#
              • 3...Rb3
                • 4.Be6#
      • 1...Rg2+
        • 2.Bg5
          • threat
            • 3.d7#
            • 3.h8Q#
            • 3.h8R#
          • 2...Rxg5+
            • 3.Kh8
              • threat
                • 4.d7#
              • 3...Rg8+
                • 4.hxg8Q#
                • 4.hxg8R#
              • 3...Rd1
                • 4.b7#
              • 3...Rd5
                • 4.Be6#
              • 3...Be6
                • 4.Bxe6#

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).