Problem Display
PID: 253524 (2b4b/1p6/pN2p1K1/1PP1k1p1/R7/2P1p1n1/3P1P2/5nr1 w - - 0 1)

Sushkov, Yuri Akimovich

1st HM., Shakhmaty v SSSR, 1968

2b4b/1p6/pN2p1K1/1PP1k1p1/R7/2P1p1n1/3P1P2/5nr1

#4

8 + 11


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.d3!
      • threat
        • 2.Rg4
          • threat
            • 3.d4#
          • 2...Se2
            • 3.Re4#
          • 2...Sf5
            • 3.Re4#
      • 1...Rh1
        • 2.f4+
          • 2...gxf4
            • 3.Re4+
              • 3...Sxe4
                • 4.d4#
      • 1...Bd7
        • 2.Sxd7+
          • 2...Kd5
            • 3.Rd4+
              • 3...Bxd4
                • 4.c4#
      • 1...Sd2
        • 2.Rg4
          • threat
            • 3.d4#
          • 2...Sb3
            • 3.d4+
              • 3...Sxd4
                • 4.cxd4#
          • 2...Sf3
            • 3.d4+
              • 3...Sxd4
                • 4.cxd4#
          • 2...Se2
            • 3.d4+
              • 3...Sxd4
                • 4.cxd4#
          • 2...Sf5
            • 3.d4+
              • 3...Sxd4
                • 4.cxd4#
      • 1...g4
        • 2.Rxg4
          • threat
            • 3.f4#
            • 3.d4#
          • 2...Se2
            • 3.d4+
              • 3...Sxd4
                • 4.cxd4#

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).