MESON Chess Problem Database

Problem Display
PID: 193485 (1Q6/4Np2/3P4/3Pk2N/R3n2P/4p3/1K2P3/8 w - - 0 1)

Baumgarten, Ernst

Deutsche Schachzeitung, 1915

1Q6/4Np2/3P4/3Pk2N/R3n2P/4p3/1K2P3/8

#2

9 + 4

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.d7#
    • 1...Sf2
      • 2.d7#
    • 1...Sc3
      • 2.d7#
    • 1...Sg3
      • 2.d7#
    • 1...Sc5
      • 2.d7#
    • 1...Sg5
      • 2.d7#
    • 1...Sf6
      • 2.d7#
  • Keys
    • 1.Sf6!
      • 1...Kf4
        • 2.d7#
      • 1...Kxf6
        • 2.Qh8#
      • 1...Sxd6
        • 2.Sg4#
        • 2.Sd7#
      • 1...Sxf6
        • 2.d7#
      • 1...Sd2
        • 2.Sg4#
        • 2.Sd7#
      • 1...Sf2
        • 2.Sd7#
      • 1...Sc3
        • 2.Sg4#
        • 2.Sd7#
      • 1...Sg3
        • 2.Sg4#
        • 2.Sd7#
      • 1...Sc5
        • 2.Sg4#
      • 1...Sg5
        • 2.Sg4#
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • S(b);N_GUARD::QAB(I)+P(G)
  • Actual
    • S(F);
    • Vars
      • K(c);P_SPINS(b),S_FLIGHT::QAB(I)+P(G)
      • K(c);OGATEB,S_FLIGHT,XS(F)::QAB(I)
      • S(b);N_GUARD,SBLOCK,XS(F)::QAB(I)+P(G)
      • S(b);::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).