Problem Display
PID: 208170 (6B1/bK2p3/2ppr1Q1/rk6/pp1P4/1NpN4/8/8 w - - 0 1)

Wheeler, Charles Henry

Dubuque Chess Journal, 1875

6B1/bK2p3/2ppr1Q1/rk6/pp1P4/1NpN4/8/8

#2

6 + 10


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Keys
    • 1.Sb2!
      • threat
        • 2.Qd3#
      • 1...Rxg6
        • 2.Bc4#
      • 1...Re3
        • 2.Bc4#
      • 1...Re4
        • 2.Bc4#
      • 1...c5
        • 2.Qe8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(B);
    • Threat
      • QAB(D)
    • Vars
      • R(h);OGATE,XQ(D)::B(F)
      • R(h);OGATE::B(F)
      • P(f);OGATEB::QAB(D)


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).