MESON Chess Problem Database

Problem Display
PID: 119939 (5B1K/5p2/5Np1/6k1/6n1/6N1/6PP/4R3 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Wiener Schachzeitung, 1902

5B1K/5p2/5Np1/6k1/6n1/6N1/6PP/4R3

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Be7#
  • Tries
    • 1.Sh7+?
      • 1...Kf4
        • 2.Re4#
      • 1...Kh4!
  • Keys
    • 1.Re4!
      • 1...Kh4
        • 2.Rxg4#
      • 1...Kxf6
        • 2.Be7#
      • 1...Sxh2
        • 2.Sh7#
      • 1...Sxf6
        • 2.h4#
      • 1...Sf2
        • 2.Sh7#
      • 1...Se3
        • 2.Sh7#
      • 1...Se5
        • 2.Sh7#
      • 1...Sh6
        • 2.Sh7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATEB,S_FLIGHT,XS(E)::B(F)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(b);S_FLIGHT::R1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(b);P_SPINS(a),S_FLIGHT::R1(A),XS(a)
      • K(b);OGATEB,S_FLIGHT,XS(E)::B(F)
      • S(a);XP(C)::S(E)
      • S(a);SBLOCK,XS(E)::P(C)
      • S(a);::S(E)
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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).