Problem Display
PID: 263637 (1K6/5p2/7p/1p2kP2/8/2P1P3/8/QB6 w - - 0 1)

van der Hulst, J

3rd HM., Tijdschrift vd NSB, 1894

1K6/5p2/7p/1p2kP2/8/2P1P3/8/QB6

#3

6 + 4


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Qa6?
      • threat
        • 2.Kc7
          • threat
            • 3.Qd6#
          • 2...Kd5
            • 3.Qxb5#
      • 1...b4
        • 2.Kc7
          • threat
            • 3.Qd6#
          • 2...Kd5
            • 3.Qb5#
      • 1...Kd5!
    • 1.Qa7?
      • threat
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4+
          • 2...Kc6
            • 3.Be4#
        • 2.Qc7
          • threat
            • 3.e4#
      • 1...Kd6
        • 2.Be4
          • threat
            • 3.Qc7#
          • 2...Ke5
            • 3.Qd4#
            • 3.Qe7#
        • 2.Qc7+
          • 2...Kd5
            • 3.e4#
      • 1...Kf6!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qd8
          • threat
            • 3.Qd4#
      • 1...Kd5
        • 2.Qc7
          • threat
            • 3.e4#
      • 1...Kd6
        • 2.Qc7+
          • 2...Kd5
            • 3.e4#
      • 1...Kf6
        • 2.Qd8+
          • 2...Ke5
            • 3.Qd4#
          • 2...Kg7
            • 3.f6#

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).