Problem Display
PID: 147818 (8/8/R7/7P/3BkN2/1P5P/4N3/3K2R1 w - - 0 1)

Schmitt, Olivier

Var Martin, 1983

8/8/R7/7P/3BkN2/1P5P/4N3/3K2R1

#2

9 + 1


133 The Problemist Supplement 2012
5454 Near Snap 2013

SOLUTION


  • SOUND
  • Tries
    • 1.Rg4?
      • 1...Kf5
        • 2.Sg3#
      • 1...Kf3!
    • 1.Re6+?
      • 1...Kf3
        • 2.Rf1#
        • 2.Rg3#
      • 1...Kf5!
  • Keys
    • 1.Se6!
      • 1...Kd3
        • 2.Sc5#
      • 1...Kf3
        • 2.Sg5#
      • 1...Kd5
        • 2.Sc3#
      • 1...Kf5
        • 2.Sg3#

Anticipated by 1977(1866), 141379(1874), 75330(1879), 178325(1903), 189978(1913), 195113(1918), 195293(1923), 62067(1936), 16381(1940), 139878(1949)

This anticipates 147815(2012)

This is after 1936

There are these versions: 147819

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(I);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(G);
    • Vars
      • K(a);S_FLIGHT::S(G)
      • K(a);S_FLIGHT::S(C)


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).