MESON Chess Problem Database

Problem Display
PID: 192835 (8/6N1/1B6/1k6/N3B3/P7/K7/8 w - - 0 1)

Lamba, Stelian

Schweizerische Schachzeitung, 1984

8/6N1/1B6/1k6/N3B3/P7/K7/8

#2

6 + 1

5454 Near Snap 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa4
      • 2.Bc6#
  • Tries
    • 1.Sf5?
      • 1...Kxa4
        • 2.Bc6#
      • 1...Kc4
        • 2.Sd6#
      • 1...Ka6!
    • 1.Se6?
      • 1...Kxa4
        • 2.Bc6#
      • 1...Ka6
        • 2.Sc7#
      • 1...Kc4!
    • 1.Bd5?
      • 1...Kxa4
        • 2.Bc6#
      • 1...Ka6!
    • 1.Bb7?
      • 1...Kxa4
        • 2.Bc6#
      • 1...Kc4!
  • Keys
    • 1.Se8!
      • 1...Kxa4
        • 2.Bc6#
      • 1...Kc4
        • 2.Sd6#
      • 1...Ka6
        • 2.Sc7#

Anticipated by 2480(1859)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XS(C)::B(D)
  • Tries
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT,XS(C)::B(D)
        • K(a);S_FLIGHT::S(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT,XS(C)::B(D)
        • K(a);S_FLIGHT::S(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT,XS(C)::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);S_FLIGHT,XS(C)::B(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT,XS(C)::B(D)
      • K(a);S_FLIGHT::S(F)
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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).