MESON Chess Problem Database

Problem Display
PID: 227477 (8/8/P2k4/2pN1Q2/2K5/3P4/8/8 w - - 0 1)

Ballo, Gyorgy

Magyar Sakkvilag, 1926

8/8/P2k4/2pN1Q2/2K5/3P4/8/8

#2

5 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Qe6#
  • Tries
    • 1.Qh3?
      • 1...Kc6
        • 2.Qe6#
      • 1...Ke5!
    • 1.Qe4?
      • 1...Kc6
        • 2.Qe6#
      • 1...Kd7!
    • 1.Qg4?
      • 1...Kc6
        • 2.Qe6#
      • 1...Ke5!
    • 1.Qg6+?
      • 1...Ke5
        • 2.Qf6#
      • 1...Kd7!
    • 1.d4?
      • 1...Kc6
        • 2.Qe6#
      • 1...cxd4!
  • Keys
    • 1.Qf7!
      • 1...Ke5
        • 2.Qf6#
      • 1...Kc6
        • 2.Qe6#
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAR2(D)
  • Tries
    • Try
      • Q(D);
      • Vars
        • K(b);P-FLIGHT::QAR2(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);P-FLIGHT::QAR2(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(D);
      • Vars
        • K(b);P-FLIGHT::QAR2(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(D)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(A);
      • Vars
        • K(b);P-FLIGHT::QAR2(D)
      • Refutation
        • P(a);XP(A)
  • Actual
    • Q(D);
    • Vars
      • K(b);S_FLIGHT::QAB1(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).