MESON Chess Problem Database

Problem Display
PID: 213411 (7K/8/8/6kN/3B4/8/4Q3/8 w - - 0 1)

Riczu, Lajos

Land og Folk, 1972

7K/8/8/6kN/3B4/8/4Q3/8

#2

4 + 1

15148 Sadier Collection 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qg4+?
      • 1...Kh6
        • 2.Be3#
        • 2.Bg7#
      • 1...Kxg4!
  • Keys
    • 1.Sf6!
      • 1...Kf4
        • 2.Qg4#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kf5
        • 2.Qg4#
      • 1...Kg6
        • 2.Qh5#
      • 1...Kh6
        • 2.Qh5#

Anticipated by 4989(1896), 194868(1918), 203243(1924), 231209(1927), 77557(1952)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);P-FLIGHT::QAB1(A)
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).