MESON Chess Problem Database

Problem Display
PID: 47738 (6RQ/3K4/8/8/4kB2/4P3/8/8 w - - 0 1)

Davey, David Murray

The Tablet, 1946

6RQ/3K4/8/8/4kB2/4P3/8/8

#2

5 + 1

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qd4#
    • 1...Kf5
      • 2.Qe5#
  • Tries
    • 1.Rg3?
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qe5#
      • 1...Kd3!
    • 1.Qb2?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qe5#
      • 1...Kd3!
    • 1.Qc3?
      • 1...Kd5
        • 2.Qd4#
        • 2.Qc6#
      • 1...Kf5
        • 2.Qe5#
      • 1...Kf3!
    • 1.Qd4+?
      • 1...Kf5
        • 2.Rg5#
        • 2.Qe5#
      • 1...Kf3!
    • 1.Qg7?
      • 1...Kf3
        • 2.Qg2#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qe5#
        • 2.Qg6#
      • 1...Kd3!
  • Keys
    • 1.Rg2!
      • 1...Kd3
        • 2.Qd4#
      • 1...Kf3
        • 2.Qa8#
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Qe5#

This anticipates 77082(1948)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(E)
  • Tries
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);S_FLIGHT::QAB(E)
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).