MESON Chess Problem Database

Problem Display
PID: 241768 (8/8/1Q4N1/8/2k5/5P2/1KP5/2R5 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1928

8/8/1Q4N1/8/2k5/5P2/1KP5/2R5

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.c4#
  • Tries
    • 1.Ka1?
      • 1...Kd5
        • 2.c4#
      • 1...Kc3!
    • 1.Kb1?
      • 1...Kd5
        • 2.c4#
      • 1...Kc3!
    • 1.Ka2?
      • 1...Kd5
        • 2.c4#
      • 1...Kc3!
    • 1.c3?
      • 1...Kd5
        • 2.c4#
      • 1...Kd3!
  • Keys
    • 1.Ka3!
      • 1...Kc3
        • 2.Qb4#
      • 1...Kd5
        • 2.c4#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATE,S_FLIGHT::P(C)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);OGATE,S_FLIGHT::P(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);OGATE,S_FLIGHT::P(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);OGATE,S_FLIGHT::P(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • P(C);
      • Vars
        • K(a);OGATE,S_FLIGHT::P(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • K(a);P-FLIGHT::QAB1(E)
      • K(a);OGATE,S_FLIGHT::P(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).