Problem Display
PID: 214652 (4n3/2p2P2/P1Pk1N2/8/P2K4/8/8/8 w - - 0 1)

Smith, JW

Atlanta Sunny South, 1878

(First published on Sat Feb 16 1878)

4n3/2p2P2/P1Pk1N2/8/P2K4/8/8/8

#2

6 + 3


16855 chessarch.com 2020
6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.f8Q+?
      • 1...Kxc6
        • 2.Qc5#
      • 1...Ke6!
  • Keys
    • 1.fxe8R!
      • 1...Kxc6
        • 2.Re6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(F);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT,XP(D)::QAR1(F)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(F);XS(c)
    • Vars
      • K(a);P-FLIGHT,XP(D)::R(F)


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).