MESON Chess Problem Database

Problem Display
PID: 184792 (8/1Q6/5N2/1p2pp2/1p6/1Pp1k1p1/2P3P1/4K3 w - - 0 1)

Schuster, Zsigmond

Vasarnapi Ujsag, 1908

8/1Q6/5N2/1p2pp2/1p6/1Pp1k1p1/2P3P1/4K3

#2

6 + 7

5454 Near Snap 2018
6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qb6#
      • 2.Qa7#
    • 1...f4
      • 2.Qe4#
      • 2.Qb6#
      • 2.Qa7#
  • Tries
    • 1.Qh7?
      • 1...Kd4
        • 2.Qa7#
      • 1...Kf4
        • 2.Qh6#
      • 1...f4
        • 2.Qd3#
        • 2.Qe4#
        • 2.Qa7#
      • 1...e4!
  • Keys
    • 1.Qg7!
      • 1...Kd4
        • 2.Qa7#
      • 1...Kf4
        • 2.Qh6#
      • 1...e4
        • 2.Sd5#
      • 1...f4
        • 2.Qa7#

Anticipated by 78154(1897), 161433(1897)

This anticipates 93154(1929), 71798(1952)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);
      • Vars
        • K(b);S_FLIGHT::QAB(F)
      • Refutation
        • P(f);
  • Actual
    • Q(F);
    • Vars
      • K(b);S_FLIGHT::QAB(F)
      • P(f);SBLOCK::S(E)
      • P(g);SBLOCK::QAB(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).