MESON Chess Problem Database

Problem Display
PID: 10113 (8/8/8/4K3/p7/5Q2/Bk3B2/8 w - - 0 1)

Kardos, Tivadar

De Waarheid, 1962

8/8/8/4K3/p7/5Q2/Bk3B2/8

#2

4 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Qb3+?
      • 1...Ka1
        • 2.Bd4#
        • 2.Qb1#
      • 1...Kc1
        • 2.Be3#
      • 1...axb3!
  • Keys
    • 1.Qe2+!
      • 1...Ka1
        • 2.Bd4#
      • 1...Kc1
        • 2.Be3#
      • 1...Ka3
        • 2.Bc5#
      • 1...Kc3
        • 2.Be1#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • P(b);XQ(C)
  • Actual
    • Q(C);CHECK
    • Vars
      • K(a);S_FLIGHT::B(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).