MESON Chess Problem Database

Problem Display
PID: 170504 (QN1Bk2r/p1pp2p1/3p4/1p4Nb/1n6/1PPq3P/2PPPPPn/5B1K w - - 0 1)

Fabel, Karl

Basler Nachrichten, 1961

QN1Bk2r/p1pp2p1/3p4/1p4Nb/1n6/1PPq3P/2PPPPPn/5B1K

#2

14 + 12

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd8
      • 2.Sc6#
  • Keys
    • 1.Bf6!
      • threat
        • 2.Sa6#
        • 2.Sc6#
      • 1...Kf8
        • 2.Sxd7#
      • 1...gxf6
        • 2.Sc6#
      • 1...Qe4
        • 2.Sc6#
      • 1...Qf3
        • 2.Sc6#
      • 1...Qd5
        • 2.Sc6#
      • 1...Bf3
        • 2.Sc6#
      • 1...Sa6
        • 2.Sxa6#
      • 1...Sc6
        • 2.Sxc6#
      • 1...a6
        • 2.Sxa6#
        • 2.Sc6#
      • 1...c6
        • 2.Sa6#
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • K(k);P-FLIGHT,XB(N)::QAR(L)+S(M),DCHECK
  • Actual
    • B(N);
    • Threat
      • DUALS(2)
    • Vars
      • K(k);P-FLIGHT::QAR(L)+S(M),DCHECK,XP(i)
      • P(j);XB(N)::QAR(L)+S(M)
      • Q(b);P_PINP(G)::QAR(L)+S(M)
      • B(e);P_PINP(G)::QAR(L)+S(M)
      • S(c);::QAR(L)+S(M),XS(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).