MESON Chess Problem Database

Problem Display
PID: 138717 (2K5/4p3/1p6/3k4/3N1Q2/3P4/8/8 w - - 0 1)

Lincoln, Robert A

StrateGems, 2010

2K5/4p3/1p6/3k4/3N1Q2/3P4/8/8

#2

4 + 3

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Keys
    • 1.Sb5!
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc6
        • 2.Qc4#
      • 1...Ke6
        • 2.Sc7#
      • 1...e5
        • 2.Qc4#
      • 1...e6
        • 2.Qd6#

Anticipated by 158626(1983)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(B);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::QAR2(C)
      • K(a);S_FLIGHT::S(B)
      • P(c);SBLOCK::QAB1(C)
      • P(c);N_GUARD::QAR1(C)
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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).