MESON Chess Problem Database

Problem Display
PID: 207263 (8/1rbKNQ2/2p3P1/2p3k1/2r3n1/2N3R1/1Bqnbp2/8 w - - 0 1)

von Bilow, Ludwig Immanuel

La Palamede, 1865

8/1rbKNQ2/2p3P1/2p3k1/2r3n1/2N3R1/1Bqnbp2/8

#2

7 + 11

6490 yacpdb 2020
15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qf6+!
      • 1...Kh5
        • 2.Rh3#
      • 1...Kxf6
        • 2.Se4#
      • 1...Kh6
        • 2.Rh3#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(G);CHECK
    • Vars
      • K(h);N_SPINS(f),P-FLIGHT::R(C)
      • K(h);N_SPINS(f),S_FLIGHT,XQ(G)::B(A)+S(B),DCHECK
      • K(h);N_SPINS(f),S_FLIGHT::R(C)
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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).