Problem Display
PID: 266518 (8/8/8/4K1pp/4Q1pk/5Bpp/8/8 w - - 0 1)

Keller, Kurt

Schweizerische Schachzeitung, 2020

8/8/8/4K1pp/4Q1pk/5Bpp/8/8

#3

3 + 6


SOLUTION


  • SOUND
  • Tries
    • 1.Kf5?
      • 1...h2
        • 2.Bxg4
          • 2...hxg4
            • 3.Qxg4#
          • 2...g2
            • 3.Qe1#
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#
      • 1...g2!
    • 1.Bd1?
      • 1...h2
        • 2.Qg2
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#
      • 1...g2!
    • 1.Be2?
      • 1...h2
        • 2.Qg2
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#
      • 1...g2!
    • 1.Bg2?
      • 1...h2
        • 2.Qb1
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#
        • 2.Qe1
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#
      • 1...hxg2!
    • 1.Bxg4?
      • 1...h2
        • 2.Kf5
          • 2...hxg4
            • 3.Qxg4#
          • 2...g2
            • 3.Qe1#
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#
      • 1...g2!
    • 1.Qb1?
      • 1...gxf3
        • 2.Qb4+
          • 2...g4
            • 3.Qe7#
      • 1...h2
        • 2.Bg2
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#
      • 1...g2!
  • Keys
    • 1.Qe1!
      • 1...gxf3
        • 2.Qb4+
          • 2...g4
            • 3.Qe7#
      • 1...h2
        • 2.Bg2
          • 2...h1Q
            • 3.Qxh1#
          • 2...h1S
            • 3.Qxh1#
          • 2...h1B
            • 3.Qxh1#
          • 2...h1R
            • 3.Qxh1#

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).