Problem Display
PID: 248060 (b1N5/b2N2p1/n5K1/nPpk1P2/1p5R/5P2/1PP1P3/8 w - - 0 1)

Rudenko, Valentin Fedorovich

Shakhmaty v SSSR, 1959

b1N5/b2N2p1/n5K1/nPpk1P2/1p5R/5P2/1PP1P3/8

#4

10 + 8


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.e3!
      • threat
        • 2.Rd4+
          • 2...cxd4
            • 3.e4+
              • 3...Kc4
                • 4.Sd6#
      • 1...Bb8
        • 2.Sdb6+
          • 2...Ke5
            • 3.Re4+
              • 3...Bxe4
                • 4.f4#
      • 1...Sb3
        • 2.Rd4+
          • 2...Sxd4
            • 3.e4+
              • 3...Kc4
                • 4.Sd6#
          • 2...cxd4
            • 3.e4+
              • 3...Kc4
                • 4.Sd6#
        • 2.cxb3
          • threat
            • 3.Rd4+
              • 3...cxd4
                • 4.e4#
            • 3.Rc4
              • threat
                • 4.e4#
            • 3.Re4
              • threat
                • 4.Re5#
              • 3...Bb8
                • 4.Sdb6#
        • 2.Re4
          • threat
            • 3.Re5+
              • 3...Kc4
                • 4.Sd6#
            • 3.cxb3
              • threat
                • 4.Re5#
              • 3...Bb8
                • 4.Sdb6#
      • 1...Sc6
        • 2.Rd4+
          • 2...Sxd4
            • 3.e4+
              • 3...Kc4
                • 4.Sd6#
          • 2...cxd4
            • 3.e4+
              • 3...Kc4
                • 4.Sd6#
      • 1...Sb7
        • 2.b3
          • threat
            • 3.Rd4+
              • 3...cxd4
                • 4.e4#
            • 3.Rc4
              • threat
                • 4.e4#
              • 3...Sd6
                • 4.Se7#
            • 3.Re4
              • threat
                • 4.Re5#
              • 3...Bb8
                • 4.Sdb6#
      • 1...b3
        • 2.c4+
          • 2...Sxc4
            • 3.Rd4+
              • 3...cxd4
                • 4.e4#

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).