Problem Display
PID: 94866 (8/5Q2/1P6/7B/4pR2/1N2k3/p7/K3N3 w - - 0 1)

Pauly, Wolfgang

British Chess Magazine, 1913

8/5Q2/1P6/7B/4pR2/1N2k3/p7/K3N3

#2

7 + 3


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Rf3+?
      • 1...exf3
        • 2.Qxf3#
      • 1...Ke2!
  • Keys
    • 1.Rg4!
      • 1...Ke2
        • 2.Rxe4#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • P(c);OGATE,XR(D)::QAR1(G),XP(c)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(b);P-FLIGHT::B(E)+R(D),DCHECK,XP(c)


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).