MESON Chess Problem Database

Problem Display
PID: 18834 (8/N7/BP1pP3/QPk3NR/1p1rp3/3p4/bK3R2/5nB1 w - - 0 1)

Larsen, Karl Adolf Koefoed

Skakbladet, 1958

8/N7/BP1pP3/QPk3NR/1p1rp3/3p4/bK3R2/5nB1

#2

11 + 8

2048 Tuxens skakopgaver (Leif C Schmidt) 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Rf5#
    • 1...Rd5
      • 2.Rc2#
    • 1...Bc4
      • 2.Sxe4#
  • Keys
    • 1.b7!
      • threat
        • 2.b6#
      • 1...Kc4
        • 2.b6#
      • 1...Kd5
        • 2.b6#
      • 1...Rc4
        • 2.Rf5#
      • 1...Rd5
        • 2.Rc2#
      • 1...Bc4
        • 2.Sxe4#
      • 1...d5
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);SBLOCK::B(A)+R(C),DCHECK
    • B(b);SBLOCK::R(G)+S(F),DCHECK,XP(f)
  • Actual
    • P(I);
    • Threat
      • QAR(D)+P(E)
    • Vars
      • K(g);P-FLIGHT::B(H)+P(E)
      • K(g);P-FLIGHT::QAR(D)+P(E)
      • R(e);SBLOCK::B(A)+R(C),DCHECK
      • B(b);SBLOCK::R(G)+S(F),DCHECK,XP(f)
      • P(h);SBLOCK::QAR2(D)
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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).