MESON Chess Problem Database

Problem Display
PID: 274533 (3N4/7p/1B6/8/4k1N1/1K6/8/6Q1 w - - 0 1)

Niculae, Cristian

Buletin Problemistic, 1983

3N4/7p/1B6/8/4k1N1/1K6/8/6Q1

#2

5 + 2

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qe3#
    • 1...Kd5
      • 2.Qd4#
  • Tries
    • 1.Qe3+?
      • 1...Kd5
        • 2.Qd4#
        • 2.Qd3#
        • 2.Qe5#
        • 2.Qe6#
      • 1...Kf5!
  • Keys
    • 1.Sh6!
      • 1...Kd3
        • 2.Qe3#
      • 1...Kf3
        • 2.Qg4#
      • 1...Kf4
        • 2.Qe3#
      • 1...Kd5
        • 2.Qd4#
      • 1...Ke5
        • 2.Qd4#

FEATURES

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