Problem Display
PID: 228111 (8/1r1n1Np1/3p2P1/B1p5/b1pRpk1p/4p2B/1RP2pPP/5N1K w - - 0 1)

Khachaturov, Sergei

64 Shakhmatnoe obozrenie, 2020

8/1r1n1Np1/3p2P1/B1p5/b1pRpk1p/4p2B/1RP2pPP/5N1K

#4

11 + 12


SOLUTION


  • SOUND
  • Keys
    • 1.c3!
      • threat
        • 2.g3+
          • 2...hxg3
            • 3.hxg3+
              • 3...Kf3
                • 4.Sg5#
      • 1...Rxb2
        • 2.Rd5
          • threat
            • 3.Rf5#
          • 2...Se5
            • 3.Bd8
              • threat
                • 4.Bg5#
              • 3...Sxf7
                • 4.Rf5#
              • 3...Sf3
                • 4.Rf5#
      • 1...Bc2
        • 2.Bd8
          • threat
            • 3.Bg5#
          • 2...Sf6
            • 3.Rd5
              • threat
                • 4.Rf5#
              • 3...Sxd5
                • 4.Bg5#
              • 3...Sg4
                • 4.Bg5#

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).