MESON Chess Problem Database

Problem Display
PID: 9808 (R3nk2/1Q6/6b1/4R3/8/8/8/4K3 w - - 0 1)

Mach, Julius Zdenek

Deutsche Schachbund, 1910

R3nk2/1Q6/6b1/4R3/8/8/8/4K3

#2

4 + 3

23 Die Schwalbe 1965
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
3310 2345 Chess Problems 1997
5424 Versunkene Schatze 1998
3713 Snap 2003
5454 Near Snap 2007
5454 Near Snap 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Bb1
      • 2.Rexe8#
      • 2.Raxe8#
    • 1...Bc2
      • 2.Rexe8#
      • 2.Raxe8#
    • 1...Bd3
      • 2.Rexe8#
      • 2.Raxe8#
    • 1...Be4
      • 2.Rexe8#
      • 2.Raxe8#
    • 1...Bf5
      • 2.Rexe8#
      • 2.Raxe8#
    • 1...Bh7
      • 2.Rexe8#
      • 2.Raxe8#
  • Keys
    • 1.Rg5!
      • 1...Kg8
        • 2.Rxe8#
      • 1...Bb1
        • 2.Qg7#
      • 1...Bc2
        • 2.Qg7#
      • 1...Bd3
        • 2.Qg7#
      • 1...Be4
        • 2.Qg7#
      • 1...Bf5
        • 2.Qg7#
      • 1...Bh5
        • 2.Qg7#
      • 1...Bf7
        • 2.Qb4#
      • 1...Bh7
        • 2.Qg7#

Anticipated by 124424(0000)

This anticipates 47406(1919), 76437(1930), 78015(1955), 29033(1991)

There are these versions: 189423

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(B);
    • Vars
      • K(c);P-FLIGHT,P_SPINB(a)::R(D),XS(b)
      • B(a);::QAB1(C)
      • B(a);SBLOCK::QAB(C)
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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).