MESON Chess Problem Database

Problem Display
PID: 207269 (8/8/r1Qp1nbp/kp1N3R/N2K2p1/P2n1B2/q2b1PrP/8 w - - 0 1)

von Bilow, Ludwig Immanuel

Neue Berliner Schachzeitung, 1869

8/8/r1Qp1nbp/kp1N3R/N2K2p1/P2n1B2/q2b1PrP/8

#2

9 + 12

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra8
      • 2.Qxa8#
  • Keys
    • 1.Qxb5+!
      • 1...Kxb5
        • 2.Sdc3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • R(h);OGATEB::QAR(I),XR(h)
  • Actual
    • Q(I);CHECK,XP(g)
    • Vars
      • K(f);P-FLIGHT,XQ(I)::R(H)+S(G),DCHECK
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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).