MESON Chess Problem Database

Problem Display
PID: 105542 (Kb1Q4/2p5/n7/Pp2pP2/2p1k1B1/3NB3/2PP1p1q/6n1 w - - 0 1)

Ersek, Tibor

Bakcsi-50 JT (Vizugyi Sports Club), 1983

Kb1Q4/2p5/n7/Pp2pP2/2p1k1B1/3NB3/2PP1p1q/6n1

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qh1
      • 2.Sxf2#
    • 1...Qh3
      • 2.Sxf2#
    • 1...Qh5
      • 2.Sxf2#
    • 1...Qh6
      • 2.Sxf2#
    • 1...Qh7
      • 2.Sxf2#
    • 1...Qh8
      • 2.Sxf2#
    • 1...Sb4
      • 2.Sc5#
    • 1...Sc5
      • 2.Sxc5#
    • 1...cxd3
      • 2.Qxd3#
      • 2.cxd3#
  • Tries
    • 1.Qd6?
      • threat
        • 2.Qc6#
      • 1...Qh6
        • 2.Sxf2#
        • 2.Qxe5#
      • 1...Sb4
        • 2.Sc5#
      • 1...c6
        • 2.Qxc6#
      • 1...cxd6!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qc6#
      • 1...Qh6
        • 2.Sxf2#
      • 1...Sb4
        • 2.Sc5#
      • 1...c6
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(c);N_GUARD::S(C),XP(b)
    • S(h);N_GUARD::S(C)
    • S(h);N_GUARD::S(C),XS(h)
  • Tries
    • Try
      • Q(I);
      • Threat
        • QAB(I)
      • Vars
        • S(h);N_GUARD::S(C)
        • P(i);::QAB(I),XP(i)
      • Refutation
        • P(i);XQ(I)
  • Actual
    • Q(I);
    • Threat
      • QAB(I)
    • Vars
      • Q(c);N_GUARD::S(C),XP(b)
      • S(h);N_GUARD::S(C)
      • P(i);::QAB(I),XP(i)
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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).