Problem Display
PID: 83156 (3B4/1p2pp2/BP2p3/k5b1/3p1p2/3N3Q/8/1K6 w - - 0 1)

Havel, Miroslav

Problem (Zagreb), 1958

3B4/1p2pp2/BP2p3/k5b1/3p1p2/3N3Q/8/1K6

#3

6 + 8


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...e5
      • 2.Qd7
        • threat
          • 3.Qb5#
        • 2...Kxa6
          • 3.Qa4#
        • 2...bxa6
          • 3.b7#
  • Tries
    • 1.Qg2?
      • threat
        • 2.Qa2#
      • 1...bxa6
        • 2.Qc6
          • threat
            • 3.b7#
        • 2.Qb2
          • threat
            • 3.Qb4#
          • 2...Ka4
            • 3.Qb4#
      • 1...Kxa6!
    • 1.Qf5+?
      • 1...Ka4
        • 2.Qb5+
          • 2...Ka3
            • 3.Qb4#
        • 2.Qc5
          • threat
            • 3.Qb4#
          • 2...Kb3
            • 3.Qb4#
      • 1...e5
        • 2.Qd7
          • threat
            • 3.Qb5#
          • 2...Kxa6
            • 3.Qa4#
          • 2...bxa6
            • 3.b7#
      • 1...exf5!
    • 1.Qxe6?
      • threat
        • 2.Qa2#
      • 1...Kxa6
        • 2.Qd5
          • threat
            • 3.Sb4#
        • 2.Qe5
          • threat
            • 3.Sb4#
      • 1...bxa6
        • 2.Qb3
          • threat
            • 3.Qb4#
            • 3.b7#
        • 2.Qc4
          • threat
            • 3.Qb4#
            • 3.b7#
      • 1...fxe6!
    • 1.Qh2?
      • threat
        • 2.Qa2#
      • 1...bxa6
        • 2.Qb2
          • threat
            • 3.Qb4#
          • 2...Ka4
            • 3.Qb4#
      • 1...Kxa6!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qe8
          • threat
            • 3.Qb5#
          • 2...Kxa6
            • 3.Qa4#
          • 2...bxa6
            • 3.b7#
      • 1...Ka4
        • 2.Qxd4+
          • 2...Ka3
            • 3.Qb4#
          • 2...Kb3
            • 3.Qb4#
          • 2...Ka5
            • 3.Qa1#
      • 1...Kxa6
        • 2.Qe5
          • threat
            • 3.Sb4#
      • 1...bxa6
        • 2.Qe8
          • threat
            • 3.b7#

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).