Problem Display
PID: 69246 (3K4/8/4P1p1/N5P1/P2pkB2/6P1/QP3p2/1n3B2 w - - 0 1)

van Eelde, Antonie Clarus Johannes

1st Prize, Tijdschrift vd NSB, 1897

3K4/8/4P1p1/N5P1/P2pkB2/6P1/QP3p2/1n3B2

#3

10 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Bg2+?
      • 1...Kd3
        • 2.Qc4#
      • 1...Kf5!
    • 1.Qxb1+?
      • 1...Kd5
        • 2.Qc2
          • threat
            • 3.Qc6#
          • 2...Kxe6
            • 3.Bc4#
          • 2...d3
            • 3.Qc4#
      • 1...Kf3!
    • 1.Qc4?
      • threat
        • 2.Qe2+
          • 2...Kd5
            • 3.Qe5#
          • 2...Kf5
            • 3.Bh3#
        • 2.Qc2+
          • 2...Kf3
            • 3.Qe2#
          • 2...Kd5
            • 3.Qc6#
          • 2...d3
            • 3.Qxd3#
        • 2.Qc6+
          • 2...Kf5
            • 3.Bh3#
      • 1...Kf5
        • 2.Qe2
          • threat
            • 3.Bh3#
      • 1...Sd2
        • 2.Qe2+
          • 2...Kd5
            • 3.Qe5#
          • 2...Kf5
            • 3.Bh3#
        • 2.Qc6+
          • 2...Kf5
            • 3.Bh3#
      • 1...Sa3
        • 2.Qe2+
          • 2...Kd5
            • 3.Qe5#
          • 2...Kf5
            • 3.Bh3#
        • 2.Qc6+
          • 2...Kf5
            • 3.Bh3#
      • 1...Sc3!
  • Keys
    • 1.Sc4!
      • 1...Kf3
        • 2.Se5+
          • 2...Ke4
            • 3.Bd3#
      • 1...Kd5
        • 2.Bg2+
          • 2...Kc5
            • 3.Bd6#
          • 2...Kxe6
            • 3.Se3#
            • 3.Sd6#
      • 1...Kf5
        • 2.Be2
          • threat
            • 3.Sd6#
          • 2...Ke4
            • 3.Sd6#
          • 2...Kxe6
            • 3.Se3#
            • 3.Sd6#
      • 1...d3
        • 2.Bg2+
          • 2...Kd4
            • 3.Be3#
          • 2...Kf5
            • 3.Se3#
      • 1...Sd2
        • 2.Sxd2+
          • 2...Kf5
            • 3.Bh3#
      • 1...Sa3
        • 2.Sd2+
          • 2...Kf5
            • 3.Bh3#
      • 1...Sc3
        • 2.Sd2+
          • 2...Kf5
            • 3.Bh3#

FEATURES


NOT CLASSIFIED


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).