MESON Chess Problem Database

Problem Display
PID: 16029 (1R6/P1k1pN2/1p1nPBK1/P2P2Q1/R7/N7/5b2/1r6 w - - 0 1)

Labai, Zoltan

2nd Comm., Pat a Mat, 2000

1R6/P1k1pN2/1p1nPBK1/P2P2Q1/R7/N7/5b2/1r6

#2

11 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd6?
      • threat
        • 2.Se8#
      • 1...exd6
        • 2.Bd8#
      • 1...Kxd6!
    • 1.Bb2?
      • threat
        • 2.Qxe7#
      • 1...Bh4
        • 2.axb6#
      • 1...Sf5
        • 2.Sb5#
      • 1...Sc8
        • 2.Sb5#
      • 1...Rg1!
    • 1.Bd4?
      • threat
        • 2.Qxe7#
      • 1...Rg1
        • 2.axb6#
      • 1...Sf5
        • 2.Rc4#
      • 1...Sc8
        • 2.Rc4#
      • 1...Bh4!
  • Keys
    • 1.Be5!
      • threat
        • 2.Qxe7#
      • 1...Rg1
        • 2.Sb5#
      • 1...Bh4
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(J);XS(d)
      • Threat
        • S(J)
      • Vars
        • P(f);OGATE,SBLOCK,XS(J)::B(G)
      • Refutation
        • K(e);S_FLIGHT,XS(J)
    • Try
      • B(G);
      • Threat
        • QAR2(E),XP(f)
      • Vars
        • B(b);N_GUARD::P(C),XP(c)
        • S(d);N_GUARD::S(A)
      • Refutation
        • R(a);P_PINQ(E)
    • Try
      • B(G);
      • Threat
        • QAR2(E),XP(f)
      • Vars
        • R(a);N_GUARD,P_PINQ(E)::P(C),XP(c)
        • S(d);N_GUARD::R(B)
      • Refutation
        • B(b);
  • Actual
    • B(G);P_PINS(d)
    • Threat
      • QAR2(E),XP(f)
    • Vars
      • R(a);N_GUARD,P_PINQ(E)::S(A)
      • B(b);N_GUARD::R(B)
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).