Problem Display
PID: 267357 (rQBR1K2/2B5/2P1Nkp1/2P5/3pp3/3bb3/8/8 w - - 0 1)

Larin, Rudolf Mikhailovich

1st Place, Match: Novosibirsk - Tula - Volgograd, 1996

rQBR1K2/2B5/2P1Nkp1/2P5/3pp3/3bb3/8/8

#4

8 + 7


6490 yacpdb 2022
3713 Snap 2023

SOLUTION


  • SOUND
  • Keys
    • 1.Rd6!
      • threat
        • 2.Sf4+
          • 2...Kg5
            • 3.Rxg6+
              • 3...Kh4
                • 4.Bd8#
                • 4.Rg4#
      • 1...Bh6+
        • 2.Sg7+
          • 2...Ke5
            • 3.Rd7+
              • 3...Kf6
                • 4.Bd8#
          • 2...Kg5
            • 3.Rd5+
              • 3...Kh4
                • 4.Bg3#
              • 3...Kf6
                • 4.Bd8#
      • 1...Ke5
        • 2.Sg5
          • threat
            • 3.Sf7+
              • 3...Kf4
                • 4.Rf6#
            • 3.Rd8+
              • 3...Kf6
                • 4.Sh7#
          • 2...Bxg5
            • 3.Rd8+
              • 3...Kf6
                • 4.Be5#
          • 2...Bc4
            • 3.Rd8+
              • 3...Kf6
                • 4.Sxe4#
                • 4.Sh7#
      • 1...Kf5
        • 2.Rd5+
          • 2...Kg4
            • 3.Sxd4+
              • 3...Kh4
                • 4.Bg3#
      • 1...Ra7
        • 2.Sf4+
          • 2...Kg5
            • 3.Rxg6+
              • 3...Kh4
                • 4.Rg4#
      • 1...Be2
        • 2.Sf4+
          • 2...Kg5
            • 3.Rxg6+
              • 3...Kh4
                • 4.Bd8#
      • 1...Bc4
        • 2.Bd8+
          • 2...Ke5
            • 3.Rd5+
              • 3...Kxd5
                • 4.Qd6#
          • 2...Kf5
            • 3.Rd5+
              • 3...Kg4
                • 4.Sxd4#
              • 3...Bxd5
                • 4.Sxd4#
                • 4.Sg7#
      • 1...Bf4
        • 2.Sxf4+
          • 2...Kg5
            • 3.Rxg6+
              • 3...Kh4
                • 4.Bd8#
                • 4.Rg4#

This anticipates 270405(1997)

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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).