MESON Chess Problem Database

Problem Display
PID: 231124 (8/8/8/5N1B/8/4p1pk/4R3/6K1 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

8/8/8/5N1B/8/4p1pk/4R3/6K1

#2

4 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...g2
      • 2.Rxe3#
  • Tries
    • 1.Re1?
      • 1...g2
        • 2.Rxe3#
      • 1...e2!
  • Keys
    • 1.Rg2!
      • 1...e2
        • 2.Rxg3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(b);OGATEB::R(B),XP(a)
  • Tries
    • Try
      • R(B);
      • Vars
        • P(b);OGATEB::R(B),XP(a)
      • Refutation
        • P(a);
  • Actual
    • R(B);
    • Vars
      • P(a);::R1(B),XP(b)
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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).