MESON Chess Problem Database

Problem Display
PID: 242087 (8/1N1p4/3p4/5K2/3k1N2/8/8/2Q5 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

8/1N1p4/3p4/5K2/3k1N2/8/8/2Q5

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Qc5#
  • Tries
    • 1.Qc7?
      • 1...d5
        • 2.Qc5#
      • 1...Ke3!
    • 1.Qc8?
      • 1...d5
        • 2.Qc5#
      • 1...Ke3!
  • Keys
    • 1.Sa5!
      • 1...d5
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::QAB1(A)
  • Tries
    • Try
      • Q(A);
      • Vars
        • P(b);N_GUARD::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);N_GUARD::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • P(b);::S(D)
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).