MESON Chess Problem Database

Problem Display
PID: 77281 (2Q5/8/4N1K1/4k3/8/1N6/5P2/8 w - - 0 1)

Davey, David Murray

The Tablet, 1950

(First published on Sat Jan 14 1950)

2Q5/8/4N1K1/4k3/8/1N6/5P2/8

#2

5 + 1

5454 Near Snap 2008

SOLUTION

  • SOUND
  • Tries
    • 1.Sed4?
      • 1...Ke4
        • 2.Qf5#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kd6!
    • 1.Sec5?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kd6!
    • 1.Sg5?
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd5
        • 2.Qe6#
        • 2.Qc5#
      • 1...Kd6!
    • 1.Sc7?
      • 1...Ke4
        • 2.Qf5#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd6!
    • 1.Sg7?
      • 1...Ke4
        • 2.Qf5#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kd6!
    • 1.Sd8?
      • 1...Ke4
        • 2.Qf5#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kd6!
    • 1.Qc5+?
      • 1...Ke4
        • 2.Qf5#
      • 1...Kxe6!
  • Keys
    • 1.Sf8!
      • 1...Ke4
        • 2.Qf5#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kd6
        • 2.Qc5#

Anticipated by 77671(1933)

This anticipates 176156(1953)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);P-FLIGHT::QAB1(E)
        • K(a);S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Vars
      • K(a);P-FLIGHT::QAB1(E)
      • K(a);S_FLIGHT::QAR1(E)
      • K(a);S_FLIGHT::QAB1(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).