MESON Chess Problem Database

Problem Display
PID: 241840 (7R/7B/8/8/6k1/7N/6K1/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1930

7R/7B/8/8/6k1/7N/6K1/8

#2

4 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kh4
      • 2.Bf5#
    • 1...Kh5
      • 2.Bf5#
  • Tries
    • 1.Kh2?
      • 1...Kh4
        • 2.Bf5#
      • 1...Kh5
        • 2.Bf5#
      • 1...Kf3!
  • Keys
    • 1.Kf2!
      • 1...Kxh3
        • 2.Bf5#
      • 1...Kh4
        • 2.Bf5#
      • 1...Kh5
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(D)+B(C)
    • K(a);S_FLIGHT::R(D)+B(C)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT::R(D)+B(C)
        • K(a);S_FLIGHT::R(D)+B(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT,XS(B)::R(D)+B(C),DCHECK
      • K(a);P-FLIGHT::R(D)+B(C)
      • K(a);S_FLIGHT::R(D)+B(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).