MESON Chess Problem Database

Problem Display
PID: 189718 (NB6/3p4/R1P1Pp2/2pk2n1/8/2P5/1nK1R1N1/7Q w - - 0 1)

Ludanyi, Antal

HM., Melbourne Leader, 1912

NB6/3p4/R1P1Pp2/2pk2n1/8/2P5/1nK1R1N1/7Q

#2

10 + 6

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sc4
      • 2.Sf4#
    • 1...Sxe6
      • 2.Se3#
    • 1...dxc6
      • 2.Sb6#
    • 1...dxe6
      • 2.Se3#
  • Tries
    • 1.Sc7+?
      • 1...Kc4
        • 2.Se3#
      • 1...Kd6!
  • Keys
    • 1.Qh4!
      • 1...Sxe6
        • 2.Se3#
        • 2.Qe4#
      • 1...dxc6
        • 2.Sb6#
      • 1...dxe6
        • 2.Se3#
      • 1...Se4
        • 2.Qxe4#
      • 1...c4
        • 2.Qd4#
      • 1...Sf3
        • 2.Qe4#
      • 1...Sd1
        • 2.c4#
      • 1...Sd3
        • 2.c4#
      • 1...Sa4
        • 2.c4#
      • 1...Sc4
        • 2.Sf4#
      • 1...Sh3
        • 2.Qe4#
      • 1...Sf7
        • 2.Qe4#
      • 1...Sh7
        • 2.Qe4#
      • 1...f5
        • 2.Re5#
      • 1...d6
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 1
  • Sets
    • S(a);SBLOCK::QAB(A)+S(D),DCHECK
    • S(d);SBLOCK,XP(H)::QAB(A)+S(D),DCHECK
    • P(f);SBLOCK,XP(G)::S(I)
    • P(f);SBLOCK,XP(H)::QAB(A)+S(D),DCHECK
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(c);S_FLIGHT::S(D)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • P(f);SBLOCK,XP(G)::S(I)
      • P(f);SBLOCK,XP(H)::S(D)
      • S(d);N_GUARD::QAB1(A),XS(d)
      • P(b);N_GUARD::QAR1(A)
      • S(d);N_GUARD::QAB1(A)
      • S(a);N_GUARD::P(E)
      • S(a);SBLOCK::S(D)
      • P(e);N_GUARD::R1(C)
      • P(f);SBLOCK::S(I)
HTML5 logo

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).