MESON Chess Problem Database

Problem Display
PID: 263828 (8/K7/3Q4/3pN3/3k4/3P4/1P6/1B1R4 w - - 0 1)

Anonymous

Tijdschrift vd NSB, 1894

8/K7/3Q4/3pN3/3k4/3P4/1P6/1B1R4

#2

7 + 2

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Qb8?
      • 1...Kc5
        • 2.Qb6#
        • 2.d4#
      • 1...Ke3!
    • 1.Qe6?
      • 1...Kc5
        • 2.Qb6#
      • 1...Ke3!
    • 1.Qf6?
      • 1...Kc5
        • 2.Qb6#
      • 1...Ke3!
  • Keys
    • 1.Qh6!
      • 1...Kc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.d4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(F);N_PINP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);N_PINP(b)
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);N_PINP(b)
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(F);N_PINP(b)
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(F)
      • K(a);OGATE,S_FLIGHT,XS(E)::P(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).