Problem Display
PID: 239110 (5B2/Q3p3/P5Kp/5P2/2k5/P7/4P3/8 w - - 0 1)

Antipov, Viacheslav Pavlovich

The Problemist, 1988

5B2/Q3p3/P5Kp/5P2/2k5/P7/4P3/8

#4

7 + 3


SOLUTION


  • SOUND
  • Keys
    • 1.Qxe7!
      • threat
        • 2.Qb4+
          • 2...Kd5
            • 3.e4+
              • 3...Ke5
                • 4.Bd6#
              • 3...Kc6
                • 4.Qb7#
      • 1...Kb3
        • 2.Qb4+
          • 2...Ka2
            • 3.Bg7
              • 3...h5
                • 4.Qb2#
          • 2...Kc2
            • 3.Bxh6
              • 3...Kd1
                • 4.Qd2#
      • 1...Kc3
        • 2.Qb4+
          • 2...Kc2
            • 3.Bxh6
              • 3...Kd1
                • 4.Qd2#
      • 1...Kd4
        • 2.Qc5+
          • 2...Ke4
            • 3.Bd6
              • 3...h5
                • 4.Qe5#
      • 1...Kb5
        • 2.Qb4+
          • 2...Kxa6
            • 3.Bc5
              • 3...h5
                • 4.Qb6#
      • 1...Kd5
        • 2.Qc5+
          • 2...Ke4
            • 3.Bd6
              • 3...h5
                • 4.Qe5#

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).