MESON Chess Problem Database

Problem Display
PID: 16722 (8/3k4/K5N1/Q6B/8/8/7B/8 w - - 0 1)

Bata, Lorinc

Nepszava, 1942

8/3k4/K5N1/Q6B/8/8/7B/8

#2

5 + 1

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qb5#
    • 1...Kc8
      • 2.Bg4#
      • 2.Qc7#
  • Tries
    • 1.Sf8+?
      • 1...Kc6
        • 2.Bf3#
        • 2.Be8#
        • 2.Qb5#
      • 1...Kc8
        • 2.Bg4#
        • 2.Qc7#
      • 1...Ke7!
    • 1.Bg4+?
      • 1...Kc6
        • 2.Se7#
        • 2.Qb5#
      • 1...Ke8!
    • 1.Qb6?
      • 1...Kc8
        • 2.Bg4#
        • 2.Qc7#
      • 1...Ke8!
    • 1.Qc7+?
      • 1...Ke8
        • 2.Qe7#
      • 1...Ke6!
    • 1.Qd5+?
      • 1...Kc8
        • 2.Se7#
        • 2.Bg4#
      • 1...Ke8!
    • 1.Qe5?
      • 1...Kc6
        • 2.Qd6#
        • 2.Qb5#
      • 1...Kc8
        • 2.Qc7#
        • 2.Qe8#
      • 1...Kd8!
  • Keys
    • 1.Qg5!
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Sf8#
      • 1...Kc8
        • 2.Bg4#
      • 1...Ke8
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::B(C)
      • K(a);S_FLIGHT::QAR1(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).