Problem Display
PID: 193075 (1n2N3/3p2Qp/2ppkB2/8/5p2/p6p/5K2/6n1 w - - 0 1)

Rietveld, Johannes Jacob

Deutsche Schachzeitung, 1918

1n2N3/3p2Qp/2ppkB2/8/5p2/p6p/5K2/6n1

#3

4 + 10


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Tries
    • 1.Bc3?
      • threat
        • 2.Qg8+
          • 2...Kf5
            • 3.Sxd6#
          • 2...Ke7
            • 3.Bf6#
      • 1...Kf5
        • 2.Sxd6+
          • 2...Ke6
            • 3.Qe5#
      • 1...f3
        • 2.Sxd6
          • threat
            • 3.Qe5#
          • 2...Kd5
            • 3.Qe5#
          • 2...Kxd6
            • 3.Qe5#
      • 1...Kd5!
    • 1.Bd4?
      • threat
        • 2.Qg8+
          • 2...Kf5
            • 3.Sxd6#
          • 2...Ke7
            • 3.Bf6#
      • 1...Kf5
        • 2.Sxd6+
          • 2...Ke6
            • 3.Qe5#
      • 1...f3
        • 2.Sxd6
          • threat
            • 3.Qe5#
          • 2...Kd5
            • 3.Qe5#
          • 2...Kxd6
            • 3.Qe5#
      • 1...Kd5!
    • 1.Qf7+?
      • 1...Kf5
        • 2.Sg7+
          • 2...Ke4
            • 3.Qc4#
          • 2...Kg4
            • 3.Qh5#
      • 1...Kxf7!
  • Keys
    • 1.Ba1!
      • threat
        • 2.Qg8+
          • 2...Kf5
            • 3.Sxd6#
          • 2...Ke7
            • 3.Bf6#
      • 1...Kd5
        • 2.Sc7+
          • 2...Kc4
            • 3.Qc3#
          • 2...Ke4
            • 3.Qxh7#
          • 2...Kc5
            • 3.Qd4#
      • 1...Kf5
        • 2.Sxd6+
          • 2...Ke6
            • 3.Qe5#
      • 1...f3
        • 2.Sxd6
          • threat
            • 3.Qe5#
          • 2...Kd5
            • 3.Qe5#
          • 2...Kxd6
            • 3.Qe5#

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).