MESON Chess Problem Database

Problem Display
PID: 227850 (8/8/5p2/3Qpk1K/8/6p1/6P1/8 w - - 0 1)

Pikler, Robert

Magyar Sakkvilag, 1926

8/8/5p2/3Qpk1K/8/6p1/6P1/8

#2

3 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qf3#
  • Tries
    • 1.Kh4?
      • 1...Kf4
        • 2.Qf3#
      • 1...Kg6!
    • 1.Qc6?
      • 1...Kf4
        • 2.Qf3#
      • 1...e4!
  • Keys
    • 1.Kh6!
      • 1...Kf4
        • 2.Qf3#
      • 1...Kg4
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINP(b),P-FLIGHT::QAR1(B)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(c);N_SPINP(b),P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);N_SPINP(b),S_FLIGHT
    • Try
      • Q(B);N_PINP(b)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
      • Refutation
        • P(b);
  • Actual
    • K(C);P-FLIGHT
    • Vars
      • K(c);N_SPINP(b),P-FLIGHT::QAR1(B)
      • K(c);N_SPINP(b),S_FLIGHT::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).