MESON Chess Problem Database

Problem Display
PID: 109501 (5N2/Q7/2P2P2/3Pk1p1/4P3/4RBpP/4P1p1/6Kb w - - 0 1)

Taraba, Jozef

UV CSTV, 1977

5N2/Q7/2P2P2/3Pk1p1/4P3/4RBpP/4P1p1/6Kb

#2

11 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Sg6#
    • 1...Kd6
      • 2.Qe7#
      • 2.e5#
  • Tries
    • 1.Se6?
      • 1...Kd6
        • 2.Qb8#
        • 2.Qc7#
        • 2.e5#
      • 1...Kxf6
        • 2.Qg7#
      • 1...g4!
    • 1.Sg6+?
      • 1...Kd6
        • 2.Qe7#
        • 2.e5#
      • 1...Kxf6!
    • 1.Sd7+?
      • 1...Kd6
        • 2.Qb8#
        • 2.e5#
      • 1...Kf4!
    • 1.d6?
      • 1...Kf4
        • 2.Sg6#
      • 1...Kxd6
        • 2.e5#
      • 1...Kxf6
        • 2.Qe7#
      • 1...g4!
  • Keys
    • 1.Bg4!
      • 1...Kf4
        • 2.Sg6#
      • 1...Kd6
        • 2.Qe7#
      • 1...Kxf6
        • 2.e5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::S(K)
  • Tries
    • Try
      • S(K);
      • Vars
        • K(d);OGATEB,S_FLIGHT,XP(I)::QAB1(J)
      • Refutation
        • P(e);
    • Try
      • S(K);CHECK
      • Refutation
        • K(d);S_FLIGHT,XP(I)
    • Try
      • S(K);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • P(G);
      • Vars
        • K(d);S_FLIGHT::S(K)
        • K(d);OGATE,S_FLIGHT,XP(G)::P(F)
        • K(d);S_FLIGHT,XP(I)::QAB1(J)
      • Refutation
        • P(e);
  • Actual
    • B(D);
    • Vars
      • K(d);S_FLIGHT::S(K)
      • K(d);S_FLIGHT::QAB1(J)
      • K(d);OGATE,S_FLIGHT,XP(I)::P(F)
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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).