Problem Display
PID: 25483 (8/5B2/3P1k1K/4Rp2/p4p2/B3pP2/4P3/8 w - - 0 1)

Holst, Viktor

Nationaltidende, 1879

8/5B2/3P1k1K/4Rp2/p4p2/B3pP2/4P3/8

#3

7 + 5


1829 The Theory of Pawn Promotion 1912

SOLUTION


  • SOUND
  • Tries
    • 1.Bb2?
      • threat
        • 2.Re7#
      • 1...a3
        • 2.Bg8
          • threat
            • 3.Re6#
      • 1...Kxf7!
    • 1.Bb3?
      • threat
        • 2.Re7
          • 2...axb3
            • 3.Bb2#
      • 1...axb3
        • 2.Re7
          • 2...b2
            • 3.Bxb2#
      • 1...Kxe5!
  • Keys
    • 1.d7!
      • threat
        • 2.d8Q+
          • 2...Kxe5
            • 3.Bb2#
            • 3.Qd6#
            • 3.Qh8#
          • 2...Kxf7
            • 3.Qf8#
        • 2.d8R
          • 2...Kxe5
            • 3.Bb2#
          • 2...Kxf7
            • 3.Rf8#
      • 1...Kxe5
        • 2.d8B
          • 2...Kd4
            • 3.Bf6#
      • 1...Kxf7
        • 2.d8S+
          • 2...Kf6
            • 3.Re6#
          • 2...Kg8
            • 3.Re8#

FEATURES


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).