Problem Display
PID: 93478 (2NR3b/5p2/K4k2/5p1Q/1p4p1/1p6/7p/8 w - - 0 1)

Kamensky, Viacheslav Ivanovich

Shakhmaty v SSSR, 1980

2NR3b/5p2/K4k2/5p1Q/1p4p1/1p6/7p/8

#4

4 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qxf5+
          • 2...Ke7
            • 3.Rd7+
              • 3...Kf8
                • 4.Qxf7#
          • 2...Kg7
            • 3.Rg8+
              • 3...Kh6
                • 4.Sxf7#
              • 3...Kxg8
                • 4.Qxf7#
      • 1...Ke5
        • 2.Qxf5+
          • 2...Kd4
            • 3.Sc4+
              • 3...Kc3
                • 4.Qd3#
              • 3...Kxc4
                • 4.Qc8#
      • 1...Ke6
        • 2.Qxf5+
          • 2...Ke7
            • 3.Rd7+
              • 3...Kf8
                • 4.Qxf7#
      • 1...Ke7
        • 2.Qxf7+
          • 2...Kxd8
            • 3.Qe8+
              • 3...Kc7
                • 4.Sb5#
      • 1...Bg7
        • 2.Qxf5+
          • 2...Ke7
            • 3.Rd7+
              • 3...Kf8
                • 4.Qxf7#
      • 1...g3
        • 2.Qxf5+
          • 2...Ke7
            • 3.Rd7+
              • 3...Kf8
                • 4.Qxf7#
          • 2...Kg7
            • 3.Rg8+
              • 3...Kh6
                • 4.Sxf7#
                • 4.Qh3#
              • 3...Kxg8
                • 4.Qxf7#
      • 1...f4
        • 2.Qxf7+
          • 2...Ke5
            • 3.Sc4+
              • 3...Ke4
                • 4.Qd5#
          • 2...Kg5
            • 3.Se4+
              • 3...Kh4
                • 4.Rxh8#
                • 4.Qh7#
              • 3...Kh6
                • 4.Rxh8#
            • 3.Rxh8
              • threat
                • 4.Se4#
                • 4.Rh5#
                • 4.Qf5#
                • 4.Qg7#
        • 2.Qf5+
          • 2...Ke7
            • 3.Rd7+
              • 3...Kf8
                • 4.Qxf7#
          • 2...Kg7
            • 3.Rg8+
              • 3...Kh6
                • 4.Sxf7#
              • 3...Kxg8
                • 4.Qxf7#

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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).