MESON Chess Problem Database

Problem Display
PID: 234629 (8/2nKp3/8/3k4/6Q1/1R6/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2004

8/2nKp3/8/3k4/6Q1/1R6/8/8

#2

3 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5
      • 2.Rxb5#
    • 1...Sa8
      • 2.Rb5#
    • 1...Se8
      • 2.Rb5#
  • Keys
    • 1.Rb4!
      • threat
        • 2.Qd4#
      • 1...Kc5
        • 2.Qc4#
        • 2.Qd4#
      • 1...Ke5
        • 2.Qg5#
      • 1...Sb5
        • 2.Rxb5#
      • 1...Se6
        • 2.Qf5#
      • 1...e5
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(b);N_GUARD::R(A),XS(b)
    • S(b);N_GUARD::R(A)
  • Actual
    • R(A);
    • Threat
      • QAR1(B)
    • Vars
      • K(a);P-FLIGHT::QAR2(B)
      • S(b);N_GUARD::R(A),XS(b)
      • S(b);S_CUTP(c)::QAR2(B)
      • P(c);SBLOCK::QAB1(B)
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).