MESON Chess Problem Database

Problem Display
PID: 231551 (8/8/8/4K3/4N1k1/6PR/8/5BR1 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

8/8/8/4K3/4N1k1/6PR/8/5BR1

#2

6 + 1

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.g4#
  • Tries
    • 1.Bd3?
      • 1...Kf3
        • 2.g4#
      • 1...Kxh3!
    • 1.Bc4?
      • 1...Kf3
        • 2.g4#
      • 1...Kxh3!
    • 1.Bb5?
      • 1...Kf3
        • 2.g4#
      • 1...Kxh3!
    • 1.Ba6?
      • 1...Kf3
        • 2.g4#
      • 1...Kxh3!
  • Keys
    • 1.Rg2!
      • 1...Kf3
        • 2.g4#
      • 1...Kxh3
        • 2.Sf2#

FEATURES

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