MESON Chess Problem Database

Problem Display
PID: 243277 (8/8/7p/8/2B4k/R4K1N/8/5R2 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Problemist Ukraini, 2020

8/8/7p/8/2B4k/R4K1N/8/5R2

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxh3
      • 2.Rh1#
  • Tries
    • 1.Be6?
      • 1...h5
        • 2.Ra4#
      • 1...Kh5!
    • 1.Bf7?
      • 1...Kxh3
        • 2.Rh1#
      • 1...h5!
    • 1.Ra5?
      • 1...Kxh3
        • 2.Rh1#
        • 2.Rh5#
      • 1...h5!
  • Keys
    • 1.Ra4!
      • 1...Kxh3
        • 2.Rh1#
      • 1...Kh5
        • 2.Bf7#
      • 1...h5
        • 2.Be6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,XS(D)::R(A)
  • Tries
    • Try
      • B(E);
      • Vars
        • P(b);SBLOCK::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XS(D)::R(A)
      • Refutation
        • P(b);
    • Try
      • R(B);
      • Refutation
        • P(b);
  • Actual
    • R(B);
    • Vars
      • K(a);OGATEB,P-FLIGHT,XS(D)::R(A)
      • K(a);P-FLIGHT::B(E)
      • P(b);SBLOCK::R(B)+B(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).