MESON Chess Problem Database

Problem Display
PID: 196818 (6N1/5pp1/5BP1/1R1Bpk1b/6p1/5Pp1/K3P1N1/8 w - - 0 1)

Stooss, Walter

Op de Hoogte, 1919

6N1/5pp1/5BP1/1R1Bpk1b/6p1/5Pp1/K3P1N1/8

#2

9 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kxg6
      • 2.Be4#
    • 1...Bxg6
      • 2.e4#
    • 1...e4
      • 2.Bxf7#
    • 1...fxg6
      • 2.e4#
  • Tries
    • 1.Se3+?
      • 1...Kxg6
        • 2.Be4#
      • 1...Kf4!
  • Keys
    • 1.f4!
      • 1...Kxg6
        • 2.Be4#
      • 1...Bxg6
        • 2.e4#
      • 1...exf4
        • 2.Sh4#
      • 1...fxg6
        • 2.e4#
      • 1...gxf6
        • 2.Se7#
      • 1...e4
        • 2.Bxf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT,XP(H)::B(F)
    • B(e);SBLOCK,XP(H)::P(B)
    • P(c);OGATEB::R(E)+B(F),XP(f)
    • P(f);SBLOCK,XP(H)::P(B)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(d);S_FLIGHT,XP(H)::B(F)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(d);S_FLIGHT,XP(H)::B(F)
      • B(e);SBLOCK,XP(H)::P(B)
      • P(c);SBLOCK,XP(D)::S(C)
      • P(f);SBLOCK,XP(H)::P(B)
      • P(g);SBLOCK,XB(G)::S(I)
      • P(c);OGATEB,SBLOCK::R(E)+B(F),XP(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).