Problem Display
PID: 182894 (8/8/KP6/3Bp3/1k2p3/4P3/1P6/8 w - - 0 1)

Ursic, Andrej Anton

Skakbladet, 1907

8/8/KP6/3Bp3/1k2p3/4P3/1P6/8

#4

5 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.b7!
      • threat
        • 2.b8Q+
          • 2...Kc5
            • 3.Bxe4
              • 3...Kc4
                • 4.Qb5#
            • 3.Qxe5
              • 3...Kb4
                • 4.Qd4#
            • 3.Be6
              • 3...Kc6
                • 4.Qb6#
            • 3.Ba8
              • 3...Kc4
                • 4.Qb5#
            • 3.Qd8
              • 3...Kb4
                • 4.Qa5#
      • 1...Ka4
        • 2.b8B
          • 2...Kb4
            • 3.Bd6+
              • 3...Ka4
                • 4.b3#
        • 2.Ba2
          • 2...Kb4
            • 3.b8Q+
              • 3...Ka4
                • 4.Bb3#
                • 4.Qb3#
                • 4.Qb5#
              • 3...Kc5
                • 4.Qb6#
        • 2.Be6
          • 2...Kb4
            • 3.b8Q+
              • 3...Ka4
                • 4.Bb3#
                • 4.Bd7#
                • 4.Qb3#
                • 4.Qb5#
              • 3...Kc5
                • 4.Qb6#
        • 2.Bf7
          • 2...Kb4
            • 3.b8Q+
              • 3...Ka4
                • 4.Bb3#
                • 4.Be8#
                • 4.Qb3#
                • 4.Qb5#
              • 3...Kc5
                • 4.Qb6#
        • 2.Bg8
          • 2...Kb4
            • 3.b8Q+
              • 3...Ka4
                • 4.Bb3#
                • 4.Qb3#
                • 4.Qb5#
              • 3...Kc5
                • 4.Qb6#
      • 1...Kc5
        • 2.b8Q
          • 2...Kxd5
            • 3.Qb6
              • 3...Kc4
                • 4.Qb5#

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).