Problem Display
PID: 171882 (1k6/8/bP4P1/8/8/4K1R1/8/7B w - - 0 1)

Antipov, Viacheslav Pavlovich

Rovestnik, 1989

1k6/8/bP4P1/8/8/4K1R1/8/7B

#4

5 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.g7!
      • threat
        • 2.g8Q+
          • 2...Bc8
            • 3.Ba8
              • 3...Kxa8
                • 4.Qxc8#
            • 3.Qd5
              • threat
                • 4.Qa8#
                • 4.Qe5#
                • 4.Qd6#
              • 3...Bb7
                • 4.Qxb7#
      • 1...Kc8
        • 2.g8Q+
          • 2...Kd7
            • 3.Rg7+
              • 3...Kd6
                • 4.Qd5#
      • 1...Bb7
        • 2.g8Q+
          • 2...Bc8
            • 3.Ba8
              • 3...Kxa8
                • 4.Qxc8#
            • 3.Qd5
              • threat
                • 4.Qa8#
                • 4.Qe5#
                • 4.Qd6#
              • 3...Bb7
                • 4.Qxb7#
      • 1...Bc8
        • 2.Rg1
          • 2...Bh3
            • 3.g8Q+
              • 3...Bc8
                • 4.Qg3#
          • 2...Bg4
            • 3.g8Q+
              • 3...Bc8
                • 4.Qg3#
          • 2...Bf5
            • 3.g8Q+
              • 3...Bc8
                • 4.Qg3#
          • 2...Ba6
            • 3.g8Q+
              • 3...Bc8
                • 4.Qg3#
          • 2...Be6
            • 3.g8Q+
              • 3...Bc8
                • 4.Qg3#
              • 3...Bxg8
                • 4.Rxg8#
          • 2...Bb7
            • 3.g8Q+
              • 3...Bc8
                • 4.Qg3#
          • 2...Bd7
            • 3.g8Q+
              • 3...Bc8
                • 4.Qg3#
              • 3...Be8
                • 4.Qxe8#

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).