MESON Chess Problem Database

Problem Display
PID: 231116 (5B2/1K2R3/3k4/8/5N2/3PP3/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

5B2/1K2R3/3k4/8/5N2/3PP3/8/8

#2

6 + 1

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Re5#
  • Tries
    • 1.Ka6?
      • 1...Kc5
        • 2.Re6#
        • 2.Rc7#
      • 1...Kc6!
    • 1.Se2?
      • 1...Kc5
        • 2.Re5#
      • 1...Kd5!
    • 1.Sg2?
      • 1...Kc5
        • 2.Re5#
      • 1...Kd5!
    • 1.Sh3?
      • 1...Kc5
        • 2.Re5#
      • 1...Kd5!
    • 1.Sh5?
      • 1...Kc5
        • 2.Re5#
      • 1...Kd5!
  • Keys
    • 1.Sg6!
      • 1...Kc5
        • 2.Re5#
      • 1...Kd5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(F)+R(E),DCHECK
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(F)+R(E),DCHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(F)+R(E),DCHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(F)+R(E),DCHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::B(F)+R(E),DCHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::B(F)+R(E),DCHECK
      • K(a);P-FLIGHT::R1(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).