Problem Display
PID: 70326 (3KN3/p2Bp3/p3P1n1/1p2p2p/1P1kP2r/1R1p3p/2RN1Pn1/4r3 w - - 0 1)

Lyapunov, Igor Dmitrevich

1st HM., Shakhmaty v SSSR, 1971

3KN3/p2Bp3/p3P1n1/1p2p2p/1P1kP2r/1R1p3p/2RN1Pn1/4r3

#4

10 + 13


3753 FIDE Album (1971-1973) 1978

SOLUTION


  • SOUND
  • Keys
    • 1.Bc6!
      • threat
        • 2.Sf3#
      • 1...Re3
        • 2.Rc5
          • threat
            • 3.Rd5#
          • 2...S2f4
            • 3.Sg7
              • threat
                • 4.Sf5#
              • 3...Sxe6+
                • 4.Sxe6#
          • 2...S6f4
            • 3.Sg7
              • threat
                • 4.Sf5#
              • 3...Sxe6+
                • 4.Sxe6#
      • 1...Rf4
        • 2.Rcc3
          • threat
            • 3.Rxd3#
          • 2...Re3
            • 3.Rc5
              • threat
                • 4.Rd5#

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).