MESON Chess Problem Database

Problem Display
PID: 214920 (r4R2/4PPnB/1pK2kP1/2p2p2/3P1B1P/8/8/8 w - - 0 1)

Riall, JR

Baltimore American and Commercial Advertiser, 1880

r4R2/4PPnB/1pK2kP1/2p2p2/3P1B1P/8/8/8

#2

9 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Kd6!
      • threat
        • 2.Be5#
        • 2.Bg5#
      • 1...Rd8+
        • 2.exd8Q#
        • 2.exd8B#
      • 1...Se8+
        • 2.fxe8S#
      • 1...Sh5
        • 2.Be5#
      • 1...Se6
        • 2.Be5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • R(f);CHECK,OGATE::PXR(f)=Q
      • S(e);CHECK,OGATE::PXS(e)=S
      • S(e);::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).