MESON Chess Problem Database

Problem Display
PID: 241857 (8/1Q6/2pk4/5P2/1PKP4/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1931

8/1Q6/2pk4/5P2/1PKP4/8/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.bxc5#
  • Tries
    • 1.Kb3?
      • 1...c5
        • 2.bxc5#
      • 1...Kd5!
    • 1.Kc3?
      • 1...c5
        • 2.bxc5#
      • 1...Kd5!
  • Keys
    • 1.Kd3!
      • 1...Kd5
        • 2.Qd7#
      • 1...c5
        • 2.bxc5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATE::P(A),XP(a)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • P(a);OGATE::P(A),XP(a)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(a);OGATE::P(A),XP(a)
      • Refutation
        • K(b);P-FLIGHT,P_SPINP(a)
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::QAR2(E)
      • P(a);OGATE::P(A),XP(a)
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).