Problem Display
PID: 171860 (7R/8/1RP5/kP4B1/8/8/2K5/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

Vecherni Leningrad, 1986

7R/8/1RP5/kP4B1/8/8/2K5/8

#4

6 + 1


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Rh5!
      • threat
        • 2.Be3
          • threat
            • 3.Kc3
              • 3...Ka4
                • 4.Ra6#
          • 2...Ka4
            • 3.Kc3
              • threat
                • 4.Ra6#
              • 3...Ka3
                • 4.Ra6#
              • 3...Ka5
                • 4.Ra6#
            • 3.Bd2
              • 3...Ka3
                • 4.Ra6#
          • 2...Kb4
            • 3.Ra6
              • 3...Kc4
                • 4.Ra4#
        • 2.Bd8
          • threat
            • 3.Kc3
              • 3...Ka4
                • 4.Ra6#
          • 2...Ka4
            • 3.Rh4+
              • 3...Ka3
                • 4.Ra6#
              • 3...Ka5
                • 4.Rb7#
                • 4.Rb8#
            • 3.Kc3
              • threat
                • 4.Ra6#
              • 3...Ka3
                • 4.Ra6#
              • 3...Ka5
                • 4.Ra6#
            • 3.Be7
              • 3...Ka5
                • 4.Ra6#
          • 2...Kb4
            • 3.Ra6
              • 3...Kc4
                • 4.Ra4#
      • 1...Kb4
        • 2.Bd2+
          • 2...Kc4
            • 3.Ra6
              • 3...Kd4
                • 4.Ra4#
      • 1...Kxb6
        • 2.Bd8+
          • 2...Ka7
            • 3.Rh8
              • 3...Ka8
                • 4.Bb6#
              • 3...Kb8
                • 4.Bb6#

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).