Problem Display
PID: 209190 (1Q4K1/B7/2p1N1p1/3kN1p1/4b1p1/3p1p2/p7/8 w - - 0 1)

Nielsen, Kristian

6th HM., Hannover Congress Book, 1926

1Q4K1/B7/2p1N1p1/3kN1p1/4b1p1/3p1p2/p7/8

#3

5 + 9


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sc7+?
      • 1...Kd6
        • 2.Sf7+
          • 2...Kd7
            • 3.Qd8#
          • 2...Ke7
            • 3.Qd8#
      • 1...Kxe5!
    • 1.Bc5?
      • threat
        • 2.Qd6#
      • 1...Bf5
        • 2.Qd6+
          • 2...Ke4
            • 3.Qd4#
      • 1...Kxe6!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Bb8
          • threat
            • 3.Qxc6#
            • 3.Qb3#
            • 3.Qd7#
          • 2...Kxe6
            • 3.Qf7#
      • 1...Kxe5
        • 2.Bb8+
          • 2...Kd5
            • 3.Qb3#
          • 2...Kf5
            • 3.Qf7#
          • 2...Kxe6
            • 3.Qf7#
          • 2...Kf6
            • 3.Qf7#
      • 1...Kd6
        • 2.Bb8+
          • 2...Kd5
            • 3.Qxc6#
            • 3.Qb3#
            • 3.Qd7#
          • 2...Kxe6
            • 3.Qf7#
      • 1...Kxe6
        • 2.Sc4
          • threat
            • 3.Qf7#
          • 2...Kd5
            • 3.Qf7#
          • 2...Kf5
            • 3.Qf7#
          • 2...Kf6
            • 3.Qf7#
      • 1...Bf5
        • 2.Qxc6+
          • 2...Kxe5
            • 3.Bd4#
      • 1...a1S
        • 2.Bb8
          • threat
            • 3.Qxc6#
            • 3.Qd7#
          • 2...Kxe6
            • 3.Qf7#

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).