MESON Chess Problem Database

Problem Display
PID: 96657 (1K4Bq/2R3N1/4P3/3k4/4p3/B4N2/4P3/8 w - - 0 1)

Mikai, P

Reilly, William Henry

The Chess Problem, 1944

1K4Bq/2R3N1/4P3/3k4/4p3/B4N2/4P3/8

#2

8 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qh1
      • 2.e7#
    • 1...Qh2
      • 2.e7#
    • 1...Qh4
      • 2.e7#
  • Keys
    • 1.Rc5+!
      • 1...Kd6
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(c);N_GUARD,N_PINB(H)::B(H)+P(D)
    • Q(c);N_GUARD,N_PINB(H),P_PINR(E)::B(H)+P(D)
  • Actual
    • R(E);CHECK
    • Vars
      • K(b);P-FLIGHT::S(F)
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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).