Problem Display
PID: 112764 (3B4/4p2Q/1P4P1/8/2NNk3/P7/2P5/5K2 w - - 0 1)

Carpenter, George Edward

Checkmate, 1902

3B4/4p2Q/1P4P1/8/2NNk3/P7/2P5/5K2

#3

9 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qh4#
  • Tries
    • 1.Qh1+?
      • 1...Kf4
        • 2.Qh4#
      • 1...Kxd4!
    • 1.Qh5?
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Qh4#
      • 1...e5
        • 2.Qxe5#
      • 1...Kxd4!
    • 1.Qxe7+?
      • 1...Kxd4
        • 2.Se3
          • 2...Kc3
            • 3.Qb4#
      • 1...Kd5!
    • 1.Qg7?
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Qxe7
          • threat
            • 3.Qh4#
          • 2...Kg3
            • 3.Qh4#
          • 2...Kg4
            • 3.Qh4#
      • 1...Kd5!
    • 1.Qh8?
      • threat
        • 2.Qe5#
      • 1...Kf4
        • 2.Qh4#
      • 1...e5
        • 2.Qxe5#
      • 1...Kd5!
  • Keys
    • 1.Se3!
      • 1...Kxe3
        • 2.Qh4
          • 2...Kd2
            • 3.Qe1#
          • 2...e5
            • 3.Bg5#
          • 2...e6
            • 3.Bg5#
      • 1...Kxd4
        • 2.Qxe7
          • 2...Kc3
            • 3.Qb4#
      • 1...Kf4
        • 2.Qxe7
          • 2...Kg3
            • 3.Qh4#
      • 1...Ke5
        • 2.Qh4
          • threat
            • 3.Bc7#
          • 2...Kd6
            • 3.Qxe7#
      • 1...e5
        • 2.Qh4+
          • 2...Kxe3
            • 3.Bg5#
      • 1...e6
        • 2.Qh4+
          • 2...Kxe3
            • 3.Bg5#
          • 2...Ke5
            • 3.Bc7#

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).