MESON Chess Problem Database

Problem Display
PID: 231068 (3Q4/6P1/7k/7N/5N2/8/6p1/6Kb w - - 0 1)

Szasz, Lajos

Kecskemet, 1927

3Q4/6P1/7k/7N/5N2/8/6p1/6Kb

#2

5 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kh7
      • 2.Qh8#
  • Tries
    • 1.Sg3?
      • 1...Kh7
        • 2.Qh8#
      • 1...Kxg7!
    • 1.Qg5+?
      • 1...Kh7
        • 2.Sf6#
        • 2.g8Q#
      • 1...Kxg5!
    • 1.Qa8?
      • 1...Kh7
        • 2.Qh8#
      • 1...Kg5!
    • 1.Qb8?
      • 1...Kh7
        • 2.Qh8#
      • 1...Kg5!
    • 1.Qc8?
      • 1...Kh7
        • 2.Qh8#
      • 1...Kg5!
    • 1.Qe8?
      • threat
        • 2.Qg6#
      • 1...Kh7
        • 2.Qh8#
      • 1...Kg5!
    • 1.Qf8?
      • threat
        • 2.g8Q#
      • 1...Kh7
        • 2.Qh8#
        • 2.g8Q#
      • 1...Kg5!
  • Keys
    • 1.g8R!
      • 1...Kh7
        • 2.Rh8#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR1(E)
  • Tries
    • Try
      • S(C);
      • Vars
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT,XP(D)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Vars
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAR1(E)
      • Vars
        • K(c);P-FLIGHT::QAR1(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • P=Q
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(c);P-FLIGHT::R1(D)
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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).