Problem Display
PID: 181455 (8/8/6Q1/b2k4/5P2/5K2/2P5/6B1 w - - 0 1)

Anonymous

San Francisco Chronicle, 1904

8/8/6Q1/b2k4/5P2/5K2/2P5/6B1

#3

5 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qd3+
        • 2...Kb4
          • 3.Qb3#
    • 1...Bb6
      • 2.Qxb6
        • 2...Kc4
          • 3.Qc5#
          • 3.Qb3#
  • Tries
    • 1.Qd6+?
      • 1...Kc4
        • 2.Qc5#
      • 1...Kxd6!
    • 1.f5?
      • threat
        • 2.Qe6#
      • 1...Ke5
        • 2.Qe6#
      • 1...Kc4!
  • Keys
    • 1.Qa6!
      • threat
        • 2.c4#
      • 1...Bb6
        • 2.Qxb6
          • 2...Kc4
            • 3.Qc5#
            • 3.Qb3#
      • 1...Bc3
        • 2.Ba7
          • 2...Ba1
            • 3.c4#
          • 2...Be1
            • 3.c4#
          • 2...Bb2
            • 3.c4#
          • 2...Bd2
            • 3.c4#
          • 2...Bb4
            • 3.c4#
          • 2...Bd4
            • 3.c4#
          • 2...Ba5
            • 3.c4#
          • 2...Be5
            • 3.c4#
          • 2...Bf6
            • 3.c4#
          • 2...Bg7
            • 3.c4#
          • 2...Bh8
            • 3.c4#

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).