MESON Chess Problem Database

Problem Display
PID: 56205 (8/8/6k1/7R/5K2/5Q2/8/8 w - - 0 1)

Blumenthal, Oscar

Wiener Schachzeitung, 1903

8/8/6k1/7R/5K2/5Q2/8/8

#2

3 + 1

4331 Schachminiaturen II 1903
119 Tidskrift for Schack 1909
3713 Snap 2005
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rh7?
      • 1...Kf6
        • 2.Qc6#
      • 1...Kxh7!
  • Keys
    • 1.Qb7!
      • 1...Kxh5
        • 2.Qh7#
      • 1...Kf6
        • 2.Rh6#

Anticipated by 4572(1880), 121069(1884)

This anticipates 198642(1921), 162851(2003)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Vars
        • K(a);P-FLIGHT::QAR(A)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT,XR(C)::QAR2(A)
      • K(a);P-FLIGHT::R(C)
HTML5 logo

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).