MESON Chess Problem Database

Problem Display
PID: 103838 (8/8/2nB4/b3p1QN/3k1p1K/1B3Pp1/1pP5/rn3N2 w - - 0 1)

Zoltan, Laszlo

Vizugyi Sports Club, 1985

8/8/2nB4/b3p1QN/3k1p1K/1B3Pp1/1pP5/rn3N2

#2

8 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Qxe5#
    • 1...Sa7
      • 2.Qxe5#
    • 1...Se7
      • 2.Qxe5#
    • 1...Sb8
      • 2.Qxe5#
    • 1...Sd8
      • 2.Qxe5#
    • 1...e4
      • 2.Qc5#
  • Tries
    • 1.Shxg3?
      • threat
        • 2.Se2#
      • 1...Kc3
        • 2.Se2#
      • 1...fxg3
        • 2.Qe3#
      • 1...Sc3
        • 2.Sf5#
      • 1...Be1!
    • 1.Qxf4+?
      • 1...Kc3
        • 2.Qe3#
        • 2.Qc4#
      • 1...e4
        • 2.Qe3#
      • 1...exf4!
    • 1.Qf5?
      • threat
        • 2.Qd3#
      • 1...Kc3
        • 2.Qd3#
      • 1...Sb4
        • 2.Qxe5#
      • 1...e4
        • 2.Qc5#
      • 1...Bd8+!
  • Keys
    • 1.Sxf4!
      • threat
        • 2.Se2#
      • 1...Kc3
        • 2.Se2#
      • 1...exf4
        • 2.Qc5#
      • 1...Sc3
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • S(i);N_GUARD::QAB1(F),XP(h)
    • P(h);OGATE::QAB1(F)
  • Tries
    • Try
      • S(G);XP(d)
      • Threat
        • S(G)
      • Vars
        • K(e);S_FLIGHT::S(G)
        • P(f);OGATE,XS(G)::QAB1(F)
        • S(b);SBLOCK::S(G)
      • Refutation
        • B(g);P_PINS(G)
    • Try
      • Q(F);CHECK,XP(f)
      • Vars
        • P(h);P_SPINP(h)::QAB1(F)
      • Refutation
        • P(h);XQ(F)
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(e);S_FLIGHT::QAR1(F)
        • S(i);N_GUARD::QAB1(F),XP(h)
        • P(h);OGATE::QAB1(F)
      • Refutation
        • B(g);CHECK
  • Actual
    • S(G);XP(f)
    • Threat
      • S(G)
    • Vars
      • K(e);S_FLIGHT::S(G)
      • P(h);OGATE,XS(G)::QAB1(F)
      • S(b);SBLOCK::S(G)
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).