Problem Display
PID: 176919 (8/P7/8/8/4pR2/8/2K2Bk1/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Schach-Echo, 1990

8/P7/8/8/4pR2/8/2K2Bk1/8

#3

4 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.a8Q?
      • threat
        • 2.Qxe4+
          • 2...Kf1
            • 3.Bd4#
            • 3.Bc5#
            • 3.Bb6#
            • 3.Ba7#
          • 2...Kh2
            • 3.Rh4#
          • 2...Kh3
            • 3.Rh4#
            • 3.Qh1#
      • 1...Kh1
        • 2.Rg4
          • 2...Kh2
            • 3.Qh8#
        • 2.Qxe4+
          • 2...Kh2
            • 3.Rh4#
        • 2.Qg8
          • threat
            • 3.Rh4#
            • 3.Qg1#
          • 2...Kh2
            • 3.Rh4#
      • 1...Kh2
        • 2.Qxe4
          • 2...Kh3
            • 3.Rh4#
            • 3.Qh1#
        • 2.Qg8
          • threat
            • 3.Rh4#
          • 2...Kh1
            • 3.Rh4#
            • 3.Qg1#
          • 2...Kh3
            • 3.Rh4#
            • 3.Qg3#
      • 1...Kh3
        • 2.Qxe4
          • 2...Kh2
            • 3.Rh4#
        • 2.Qg8
          • threat
            • 3.Rh4#
            • 3.Qg3#
          • 2...Kh2
            • 3.Rh4#
      • 1...Kf1!
  • Keys
    • 1.a8B!
      • 1...Kf1
        • 2.Bxe4
          • 2...Ke2
            • 3.Bd3#
      • 1...Kh1
        • 2.Bxe4+
          • 2...Kh2
            • 3.Rh4#
      • 1...Kh2
        • 2.Bxe4
          • 2...Kh3
            • 3.Rh4#
      • 1...Kh3
        • 2.Bxe4
          • 2...Kh2
            • 3.Rh4#

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).