MESON Chess Problem Database

Problem Display
PID: 32418 (2B5/3r1p2/b2NkP1R/4b3/2p1QpP1/B1p5/2P5/3K4 w - - 0 1)

Zilahi, Zoltan

De Problemist, 1928

2B5/3r1p2/b2NkP1R/4b3/2p1QpP1/B1p5/2P5/3K4

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc8
      • 2.Qxc4#
  • Keys
    • 1.Qc6!
      • threat
        • 2.Bxd7#
      • 1...Bxd6
        • 2.Qxd6#
      • 1...Bxf6
        • 2.Qe4#
      • 1...Bxc8
        • 2.Qxc4#
      • 1...Bd4
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD,N_SPINR(g),XB(I)::QAB(D),XP(b)
  • Actual
    • Q(D);N_PINB(d)
    • Threat
      • B(I),XR(g)
    • Vars
      • B(d);OGATE,P_SPINB(d),XS(F)::QAR1(D),XB(d)
      • B(d);OGATEB,P_SPINB(d),XP(G)::QAR2(D)
      • B(e);N_GUARD,N_SPINR(g),XB(I)::QAB(D),XP(b)
      • B(d);N_PINS(F)::QAR(D)+S(F),XP(b)
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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).