MESON Chess Problem Database

Problem Display
PID: 8167 (8/8/8/5p2/1P6/R2PPk1K/P7/4Q3 w - - 0 1)

Lincoln, Robert A

The Problemist, 1995

8/8/8/5p2/1P6/R2PPk1K/P7/4Q3

#2

7 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.e4?
      • 1...Kf4
        • 2.Qg3#
      • 1...f4
        • 2.d4#
      • 1...fxe4!
  • Keys
    • 1.d4!
      • 1...Ke4
        • 2.Qh1#
      • 1...f4
        • 2.e4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(E);
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
        • P(b);SBLOCK::R(C)+P(D)
      • Refutation
        • P(b);XP(E)
  • Actual
    • P(D);
    • Vars
      • K(a);S_FLIGHT::QAB(A)
      • P(b);SBLOCK::R(C)+P(E)
HTML5 logo

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).