Problem Display
PID: 255580 (K7/4R3/8/8/8/5B2/5p1B/4bk2 w - - 0 1)

Stepochkin, Anatoly Viktorovich

Problemist Ukraini, 2021

K7/4R3/8/8/8/5B2/5p1B/4bk2

#4

4 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Rh7!
      • threat
        • 2.Bg3
          • threat
            • 3.Rh1#
          • 2...Kg1
            • 3.Rh1#
        • 2.Bf4
          • threat
            • 3.Rh1#
          • 2...Kg1
            • 3.Rh1#
        • 2.Be5
          • threat
            • 3.Rh1#
          • 2...Kg1
            • 3.Rh1#
        • 2.Bd6
          • threat
            • 3.Rh1#
          • 2...Kg1
            • 3.Rh1#
        • 2.Bc7
          • threat
            • 3.Rh1#
          • 2...Kg1
            • 3.Rh1#
        • 2.Bb8
          • threat
            • 3.Rh1#
          • 2...Kg1
            • 3.Rh1#
      • 1...Bd2
        • 2.Bf4
          • threat
            • 3.Rh1#
          • 2...Ke1
            • 3.Rh1+
              • 3...f1Q
                • 4.Bg3#
              • 3...f1S
                • 4.Bg3#
              • 3...f1B
                • 4.Bg3#
              • 3...f1R
                • 4.Bg3#
      • 1...Bc3
        • 2.Be5
          • threat
            • 3.Rh1#
          • 2...Ke1
            • 3.Bxc3+
              • 3...Kf1
                • 4.Rh1#
      • 1...Bb4
        • 2.Bd6
          • threat
            • 3.Rh1#
          • 2...Ke1
            • 3.Bxb4+
              • 3...Kf1
                • 4.Rh1#
      • 1...Ba5
        • 2.Bc7
          • threat
            • 3.Rh1#
          • 2...Ke1
            • 3.Bxa5+
              • 3...Kf1
                • 4.Rh1#

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).