MESON Chess Problem Database

Problem Display
PID: 245959 (7n/8/5K1p/7k/6Nr/8/6Q1/8 w - - 0 1)

Lincoln, Robert A

Sem Shakhmatnikh not, 2011

7n/8/5K1p/7k/6Nr/8/6Q1/8

#2

3 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Qxh3#
  • Keys
    • 1.Kf5!
      • threat
        • 2.Sf6#
      • 1...Rxg4
        • 2.Qxg4#
      • 1...Rh1
        • 2.Qxh1#
      • 1...Rh2
        • 2.Qxh2#
      • 1...Rh3
        • 2.Qxh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATEB::QAR2(A),XR(a)
  • Actual
    • K(C);P-FLIGHT
    • Threat
      • S(B)
    • Vars
      • R(a);OGATE,XS(B)::QAB1(A),XR(a)
      • R(a);OGATEB::QAR(A),XR(a)
      • R(a);OGATEB::QAR2(A),XR(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).