MESON Chess Problem Database

Problem Display
PID: 110574 (8/4P1Np/Q5pk/8/8/4K3/8/8 w - - 0 1)

Kardos, Tivadar

Minimat, 1969

8/4P1Np/Q5pk/8/8/4K3/8/8

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qa1?
      • 1...g5
        • 2.Qf6#
      • 1...Kg5!
    • 1.Qd6?
      • 1...Kg5
        • 2.Qf4#
      • 1...Kxg7!
  • Keys
    • 1.Qf1!
      • 1...Kg5
        • 2.Qf4#
      • 1...Kxg7
        • 2.Qf8#
      • 1...g5
        • 2.Qf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);N_PINP(a)
      • Vars
        • P(a);OGATEB::QAR2(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);N_SPINP(a),S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);N_SPINP(a),S_FLIGHT,XS(D)
  • Actual
    • Q(B);N_PINP(a)
    • Vars
      • K(b);S_FLIGHT::QAB1(B)
      • K(b);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • P(a);OGATEB::QAR2(B)
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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).