MESON Chess Problem Database

Problem Display
PID: 78555 (8/8/8/6Q1/8/5K2/5P2/4Bk2 w - - 0 1)

de Savignac Castelet, G Arnaud

La Strategie, 1925

8/8/8/6Q1/8/5K2/5P2/4Bk2

#2

4 + 1

274 diagrammes 1973

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe1
      • 2.Qc1#
  • Tries
    • 1.Qf4?
      • 1...Kxe1
        • 2.Qc1#
      • 1...Kg1!
    • 1.Qh6?
      • threat
        • 2.Qh1#
      • 1...Kxe1
        • 2.Qc1#
      • 1...Kg1!
    • 1.Qb5+?
      • 1...Kxe1
        • 2.Qe2#
      • 1...Kg1!
    • 1.Qc5?
      • 1...Kxe1
        • 2.Qc1#
      • 1...Kg1!
  • Keys
    • 1.Ke3!
      • 1...Kxe1
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,XB(A)::QAR2(D)
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XB(A)::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Threat
        • QAR2(D)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XB(A)::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);P-FLIGHT,XB(A)::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XB(A)::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT,XB(A)::QAR2(D)
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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).