Problem Display
PID: 209650 (8/2p1r3/2Q1n1bN/1P1n2p1/1PN1k2b/1P1pP3/6P1/1K6 w - - 0 1)

Kriuckov, Sergey Petrovic

Shakhmaty, 1926

8/2p1r3/2Q1n1bN/1P1n2p1/1PN1k2b/1P1pP3/6P1/1K6

#3

9 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Rd7
      • 2.Qxe6#
    • 1...Rf7
      • 2.Qxe6#
    • 1...Rg7
      • 2.Qxe6#
    • 1...Rh7
      • 2.Qxe6#
    • 1...Sd4
      • 2.Qxg6+
        • 2...Sf5
          • 3.Qxf5#
    • 1...Sc5
      • 2.Qxg6#
    • 1...Sg7
      • 2.Qxg6+
        • 2...Sf5
          • 3.Qxf5#
    • 1...Sd8
      • 2.Qxg6#
  • Keys
    • 1.Sg4!
      • threat
        • 2.Qxd5+
          • 2...Kxd5
            • 3.Sf6#
      • 1...Kf5
        • 2.Qxd5+
          • 2...Kxg4
            • 3.Qf3#
      • 1...d2
        • 2.Sd6+
          • 2...Kd3
            • 3.Qc4#
          • 2...cxd6
            • 3.Qc2#
      • 1...Sd4
        • 2.Sf6+
          • 2...Kf5
            • 3.g4#
        • 2.Qxg6+
          • 2...Sf5
            • 3.Sd2#
      • 1...Sf4
        • 2.Sf6+
          • 2...Kf5
            • 3.g4#
      • 1...Sg7
        • 2.Sf6+
          • 2...Kf5
            • 3.g4#
        • 2.Qxg6+
          • 2...Sf5
            • 3.Sd2#
      • 1...Sf8
        • 2.Sf6+
          • 2...Kf5
            • 3.g4#

FEATURES


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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).