MESON Chess Problem Database

Problem Display
PID: 110239 (8/8/3P4/P1kPPp2/K2p4/2N5/5R2/5B1Q w - - 0 1)

Labai, Zoltan

Siklosi Pal MT, 1996

8/8/3P4/P1kPPp2/K2p4/2N5/5R2/5B1Q

#2

9 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg1?
      • 1...dxc3
        • 2.Rd2#
      • 1...d3
        • 2.Rf4#
      • 1...f4!
    • 1.Qh4?
      • 1...dxc3
        • 2.Qc4#
      • 1...d3
        • 2.Qb4#
      • 1...f4!
  • Keys
    • 1.Rf4!
      • 1...dxc3
        • 2.Rc4#
      • 1...d3
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Vars
        • P(a);OGATEB,XS(D)::QAB(B)+R(C)
        • P(a);OGATEB::QAB(B)+R(C)
      • Refutation
        • P(c);
    • Try
      • Q(B);
      • Vars
        • P(a);OGATE,XS(D)::QAR1(B)
        • P(a);OGATE::QAB1(B)
      • Refutation
        • P(c);
  • Actual
    • R(C);
    • Vars
      • P(a);OGATE,XS(D)::R1(C)
      • P(a);OGATEB::QAB(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).