MESON Chess Problem Database

Problem Display
PID: 206910 (5rk1/1Q3ppp/8/8/2B2b2/5PqP/6P1/4R2K w - - 0 1)

de la Bourdonnais, Louis Charles Mahe

Nouveau Traite du Jeu des Echecs, 1833

5rk1/1Q3ppp/8/8/2B2b2/5PqP/6P1/4R2K

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rc8
      • 2.Qxc8#
    • 1...Re8
      • 2.Rxe8#
  • Keys
    • 1.Qxf7+!
      • 1...Kh8
        • 2.Qxf8#
      • 1...Rxf7
        • 2.Re8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(f);OGATEB::QAR(G),XR(f)
    • R(f);OGATEB::R(A),XR(f)
  • Actual
    • Q(G);CHECK,XP(c)
    • Vars
      • K(g);P-FLIGHT::QAR2(G),XR(f)
      • R(f);P_SPINR(f),XQ(G)::R(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).