MESON Chess Problem Database

Problem Display
PID: 231539 (8/8/3p2N1/3K4/3R4/5k2/3R3P/8 w - - 0 1)

Schiffert, Gyorgy

Magyar Sakkvilag, 1927

8/8/3p2N1/3K4/3R4/5k2/3R3P/8

#2

5 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.R4d3#
  • Tries
    • 1.h4?
      • 1...Ke3
        • 2.R4d3#
      • 1...Kg3!
  • Keys
    • 1.h3!
      • threat
        • 2.R4d3#
      • 1...Ke3
        • 2.R4d3#
      • 1...Kg3
        • 2.R4d3#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R1(C)
  • Tries
    • Try
      • P(B);
      • Vars
        • K(a);P-FLIGHT::R1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(B);
    • Threat
      • R(C)
    • Vars
      • K(a);P-FLIGHT::R1(C)
      • 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).