MESON Chess Problem Database

Problem Display
PID: 6435 (3N4/8/N7/4k3/7Q/8/2K5/1B1R4 w - - 0 1)

Kahane, Ernest

1st Prize, Le Salut Public, 1929

3N4/8/N7/4k3/7Q/8/2K5/1B1R4

#2

6 + 1

3295 Einfuhrung in die Welt des Schachproblem 1984
4883 Still More Fun with Chess Miniatures 2002
145 StrateGems 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Re1+?
      • 1...Kf5
        • 2.Kc1#
        • 2.Kd1#
        • 2.Kb2#
        • 2.Kd2#
        • 2.Kb3#
        • 2.Kc3#
      • 1...Kd6
        • 2.Qd4#
      • 1...Kd5!
  • Keys
    • 1.Kd3!
      • 1...Kd5
        • 2.Qd4#
      • 1...Kf5
        • 2.Kd4#
      • 1...Kd6
        • 2.Ke4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(a);P-FLIGHT::QAR1(D)
      • K(a);P-FLIGHT::B(A)+K(C)
      • K(a);S_FLIGHT::R(B)+K(C)
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).