Problem Display
PID: 124860 (6K1/1B6/7p/7Q/5p2/8/p1k5/B7 w - - 0 1)

Kuligin, Nikolai Volodimirovich

Sachova skladba, 1997

6K1/1B6/7p/7Q/5p2/8/p1k5/B7

#3

4 + 4


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kb1
      • 2.Qd1#
  • Tries
    • 1.Be4+?
      • 1...Kc1
        • 2.Bc3
          • threat
            • 3.Qh1#
        • 2.Qe2
          • threat
            • 3.Bb2#
            • 3.Qe1#
            • 3.Qc2#
      • 1...Kb3
        • 2.Qb5+
          • 2...Ka3
            • 3.Bb2#
        • 2.Qc5
          • threat
            • 3.Bc2#
          • 2...Ka4
            • 3.Bc2#
      • 1...Kd2!
    • 1.Qe2+?
      • 1...Kc1
        • 2.Bb2+
          • 2...Kb1
            • 3.Be4#
        • 2.Bf3
          • threat
            • 3.Qd1#
            • 3.Qb2#
          • 2...Kb1
            • 3.Qd1#
            • 3.Qb2#
        • 2.Be4
          • threat
            • 3.Bb2#
            • 3.Qe1#
            • 3.Qc2#
      • 1...Kb3!
    • 1.Qf3?
      • threat
        • 2.Qc3+
          • 2...Kb1
            • 3.Be4#
            • 3.Qb2#
          • 2...Kd1
            • 3.Bf3#
      • 1...Kc1
        • 2.Qc3+
          • 2...Kb1
            • 3.Be4#
            • 3.Qb2#
          • 2...Kd1
            • 3.Bf3#
      • 1...Kd2!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Qd5
          • threat
            • 3.Qd1#
          • 2...Kb1
            • 3.Qd1#
          • 2...Kc1
            • 3.Qd1#
      • 1...Kb1
        • 2.Qh1+
          • 2...Kc2
            • 3.Qd1#
      • 1...Kc1
        • 2.Qh2
          • threat
            • 3.Qb2#
          • 2...Kb1
            • 3.Qb2#
        • 2.Qd5
          • threat
            • 3.Qd1#
          • 2...Kb1
            • 3.Qd1#
          • 2...Kc2
            • 3.Qd1#
      • 1...Kd2
        • 2.Qh2+
          • 2...Kc1
            • 3.Qb2#
          • 2...Ke1
            • 3.Qe2#
          • 2...Kd3
            • 3.Qe2#
          • 2...Ke3
            • 3.Qe2#
      • 1...Kb3
        • 2.Qc5
          • threat
            • 3.Bd1#
          • 2...Ka4
            • 3.Bd1#
      • 1...Kd3
        • 2.Qc5
          • threat
            • 3.Qc3#
          • 2...Kd2
            • 3.Qc3#

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).