MESON Chess Problem Database

Problem Display
PID: 187626 (2b5/2k5/1N6/2PP4/1K6/8/8/Q7 w - - 0 1)

White, Alain Campbell

British Chess Magazine, 1909

2b5/2k5/1N6/2PP4/1K6/8/8/Q7

#2

5 + 2

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.d6+!
      • 1...Kc6
        • 2.Qh1#
      • 1...Kb7
        • 2.Qa8#
      • 1...Kb8
        • 2.Qa8#
      • 1...Kd8
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(D);CHECK
    • Vars
      • K(a);P-FLIGHT::QAB(A)
      • K(a);P-FLIGHT::QAB1(A)
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAR(A)
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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).