Problem Display
PID: 176993 (5K1k/1Q2p2P/4p3/1p1p4/8/2ppp1p1/b2P4/2b5 w - - 0 1)

Dimitrov, Nikolai

Schach-Echo, 1972

5K1k/1Q2p2P/4p3/1p1p4/8/2ppp1p1/b2P4/2b5

#3

4 + 11


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Bxd2
      • 2.Qxe7
        • threat
          • 3.Qg7#
    • 1...b4
      • 2.Qxe7
        • threat
          • 3.Qg7#
  • Tries
    • 1.Qc7?
      • threat
        • 2.Qxg3
          • threat
            • 3.Qg7#
            • 3.Qg8#
          • 2...Kxh7
            • 3.Qg7#
        • 2.Qe5+
          • 2...Kxh7
            • 3.Qg7#
            • 3.Qh5#
      • 1...g2
        • 2.Qe5+
          • 2...Kxh7
            • 3.Qg7#
            • 3.Qh5#
      • 1...e5
        • 2.Qxe5+
          • 2...Kxh7
            • 3.Qg7#
            • 3.Qh5#
      • 1...Kxh7!
    • 1.Qb8?
      • threat
        • 2.Qxg3
          • threat
            • 3.Qg7#
            • 3.Qg8#
          • 2...Kxh7
            • 3.Qg7#
        • 2.Qe5+
          • 2...Kxh7
            • 3.Qg7#
            • 3.Qh5#
      • 1...g2
        • 2.Kf7+
          • 2...Kxh7
            • 3.Qh2#
        • 2.Qe5+
          • 2...Kxh7
            • 3.Qg7#
            • 3.Qh5#
      • 1...e5
        • 2.Qxe5+
          • 2...Kxh7
            • 3.Qg7#
            • 3.Qh5#
      • 1...Kxh7!
  • Keys
    • 1.Kf7!
      • threat
        • 2.Kg6
          • threat
            • 3.Qa8#
            • 3.Qc8#
            • 3.Qb8#
      • 1...Kxh7
        • 2.Qxe7
          • threat
            • 3.Qh4#
          • 2...Kh6
            • 3.Qh4#
          • 2...Kh8
            • 3.Qh4#
      • 1...g2
        • 2.Qb8+
          • 2...Kxh7
            • 3.Qh2#
      • 1...d4
        • 2.Qa8+
          • 2...Kxh7
            • 3.Qh1#
      • 1...e5
        • 2.Qc8+
          • 2...Kxh7
            • 3.Qh3#

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).