Problem Display
PID: 105809 (2K5/8/1N5B/3p4/8/2k5/Q7/8 w - - 0 1)

Kolpakov, Viktor Sergeevich

Kozhakin, Vladimir Vladimirovich

Apprenti Sorcier, 1992

2K5/8/1N5B/3p4/8/2k5/Q7/8

#3

4 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qd2+
        • 2...Ke4
          • 3.Qxd5#
  • Tries
    • 1.Bd2+?
      • 1...Kd4
        • 2.Qxd5#
      • 1...Kd3!
    • 1.Qb1?
      • 1...d4
        • 2.Bc1
          • 2...d3
            • 3.Qb2#
      • 1...Kd4!
    • 1.Qb3+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kxb3!
    • 1.Qb2+?
      • 1...Kd3
        • 2.Qd2+
          • 2...Ke4
            • 3.Qxd5#
      • 1...Kxb2!
    • 1.Qa3+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Kc2!
  • Keys
    • 1.Bc1!
      • threat
        • 2.Qd2+
          • 2...Kb3
            • 3.Qb2#
      • 1...Kd3
        • 2.Qd2+
          • 2...Ke4
            • 3.Qxd5#
      • 1...Kb4
        • 2.Qxd5
          • 2...Kc3
            • 3.Qc4#
      • 1...Kd4
        • 2.Qxd5+
          • 2...Kc3
            • 3.Qc4#

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).