MESON Chess Problem Database

Problem Display
PID: 203529 (8/p5p1/KpPBPpB1/1N1k4/3N4/8/P3P3/8 w - - 0 1)

Spengler, Walter

Essener Arbeiter Schachzeitung, 1924

8/p5p1/KpPBPpB1/1N1k4/3N4/8/P3P3/8

#2

9 + 5

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.e7?
      • 1...Kc4
        • 2.Bf7#
      • 1...f5!
  • Keys
    • 1.Sf5!
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Sc3#
      • 1...Kxc6
        • 2.Se7#
      • 1...Kxe6
        • 2.Sc7#

This anticipates 184413(1947)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(H);
      • Vars
        • K(a);S_FLIGHT::B(I)
      • Refutation
        • P(c);
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::S(C)
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT,XP(F)::S(C)
      • K(a);S_FLIGHT,XP(H)::S(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).