Problem Display
PID: 127587 (2K4b/8/NpP2pp1/6r1/B1k2pp1/2p3r1/2P2PPn/3Q4 w - - 0 1)

Didenko, Vladimir Vasilovich

Lyubashevsky, Leonid Abramovic

Tverskie Vedomosti, 1992

2K4b/8/NpP2pp1/6r1/B1k2pp1/2p3r1/2P2PPn/3Q4

#3

8 + 11


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Rxg2
      • 2.Qd3#
    • 1...Rd3
      • 2.Qxd3#
    • 1...Sf3
      • 2.Qd3#
    • 1...f3
      • 2.Qd3#
    • 1...b5
      • 2.Bb3#
  • Tries
    • 1.f3?
      • threat
        • 2.Qd3#
      • 1...Rd5
        • 2.Qe2+
          • 2...Kd4
            • 3.Qe4#
          • 2...Rd3
            • 3.Qxd3#
      • 1...Rxf3!
  • Keys
    • 1.Qd6!
      • threat
        • 2.fxg3
          • threat
            • 3.Qd3#
          • 2...Rd5
            • 3.Qb4#
      • 1...Rb5
        • 2.fxg3
          • threat
            • 3.Qd3#
          • 2...Rd5
            • 3.Qb4#
      • 1...Re3
        • 2.fxe3
          • threat
            • 3.Qd3#
            • 3.Qd4#
          • 2...Rd5
            • 3.Qb4#
      • 1...Rf3
        • 2.gxf3
          • threat
            • 3.Qd3#
          • 2...Rd5
            • 3.Qb4#
      • 1...Rh3
        • 2.gxh3
          • threat
            • 3.Qd3#
          • 2...Rd5
            • 3.Qb4#
      • 1...Ra5
        • 2.Bb3+
          • 2...Kb5
            • 3.Sc7#
      • 1...Rc5
        • 2.Qxf4+
          • 2...Kd5
            • 3.Sc7#
      • 1...Re5
        • 2.Qb4+
          • 2...Kd5
            • 3.Sc7#
      • 1...Rf5
        • 2.fxg3
          • threat
            • 3.Qd3#
          • 2...Rd5
            • 3.Qb4#
      • 1...Rh5
        • 2.fxg3
          • threat
            • 3.Qd3#
          • 2...Rd5
            • 3.Qb4#
      • 1...f5
        • 2.Sc7
          • threat
            • 3.Bb3#
            • 3.Bb5#
        • 2.fxg3
          • threat
            • 3.Qd3#
          • 2...Bd4
            • 3.Qe6#

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).