Problem Display
PID: 183915 (4B3/K2p4/3pkB2/6Q1/1Pb2p2/5p2/2n2P2/8 w - - 0 1)

Steiner, Siegmund

Deutsches Wochenschach (Bobrov TT), 1907

4B3/K2p4/3pkB2/6Q1/1Pb2p2/5p2/2n2P2/8

#3

6 + 7


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Bd5
      • 2.Qg6
        • threat
          • 3.Bf7#
    • 1...d5
      • 2.Qe5#
  • Tries
    • 1.Bxd7+?
      • 1...Kf7
        • 2.Qg7#
      • 1...Kxd7!
    • 1.Qg4+?
      • 1...Kd5
        • 2.Qg8+
          • 2...Ke4
            • 3.Bg6#
          • 2...Kc6
            • 3.Qxc4#
      • 1...Kxf6!
    • 1.Qg6?
      • threat
        • 2.Bf7#
      • 1...Kd5
        • 2.Qg8+
          • 2...Ke4
            • 3.Bg6#
          • 2...Kc6
            • 3.Qxc4#
      • 1...d5!
    • 1.Qg8+?
      • 1...Kf5
        • 2.Qg6+
          • 2...Ke6
            • 3.Bf7#
      • 1...Kxf6!
  • Keys
    • 1.Qg7!
      • threat
        • 2.Bf7+
          • 2...Kf5
            • 3.Qg6#
      • 1...Kd5
        • 2.Qg8+
          • 2...Ke4
            • 3.Bg6#
          • 2...Kc6
            • 3.Qxc4#
      • 1...Kf5
        • 2.Qg6+
          • 2...Ke6
            • 3.Bf7#
      • 1...d5
        • 2.Bxd7+
          • 2...Kd6
            • 3.Be5#

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).