Problem Display
PID: 142470 (1Q6/2p3p1/2P1p3/8/P1k1N3/2N5/8/K2B4 w - - 0 1)

Markwick, Frederick W

Hampstead and Highgate Express, 1909

1Q6/2p3p1/2P1p3/8/P1k1N3/2N5/8/K2B4

#3

7 + 4


14867 BCPS Library 2011
15351 SCPF/BCPS Black Books 2015

SOLUTION


  • SOUND
  • Sets
    • 1...e5
      • 2.Be2+
        • 2...Kd4
          • 3.Qa7#
  • Tries
    • 1.Bc2?
      • threat
        • 2.Se2
          • threat
            • 3.Qb3#
            • 3.Qb5#
          • 2...Kd5
            • 3.Qb5#
        • 2.Qa7
          • threat
            • 3.Qc5#
          • 2...Kb4
            • 3.Qc5#
        • 2.Qb5+
          • 2...Kd4
            • 3.Qc5#
        • 2.Qf8
          • threat
            • 3.Qc5#
          • 2...Kd4
            • 3.Qc5#
      • 1...e5
        • 2.Qa7
          • threat
            • 3.Qc5#
          • 2...Kb4
            • 3.Qc5#
        • 2.Qb3+
          • 2...Kd4
            • 3.Se2#
            • 3.Sb5#
        • 2.Qb5+
          • 2...Kd4
            • 3.Qd3#
            • 3.Qc5#
        • 2.Qf8
          • threat
            • 3.Qc5#
          • 2...Kd4
            • 3.Qc5#
      • 1...Kd4!
    • 1.Qb6?
      • threat
        • 2.Be2#
      • 1...Kd3
        • 2.Bc2+
          • 2...Kxc2
            • 3.Qb1#
          • 2...Kc4
            • 3.Qc5#
        • 2.Be2+
          • 2...Kc2
            • 3.Qb1#
            • 3.Qb2#
      • 1...cxb6!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Se2
          • threat
            • 3.Qb5#
          • 2...Kd3
            • 3.Qb3#
          • 2...Kd5
            • 3.Qb5#
      • 1...Kd3
        • 2.Se2
          • threat
            • 3.Qb3#
          • 2...Kc2
            • 3.Qb1#
          • 2...Ke3
            • 3.Qb3#
          • 2...Kc4
            • 3.Qb5#
      • 1...Kd4
        • 2.Se2+
          • 2...Kd3
            • 3.Qb3#
          • 2...Ke3
            • 3.Qb3#
          • 2...Kc4
            • 3.Qb5#
          • 2...Kd5
            • 3.Qb5#
          • 2...Ke5
            • 3.Qb5#
      • 1...e5
        • 2.Be2+
          • 2...Kd4
            • 3.Qa7#

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).