Problem Display
PID: 184108 (8/8/2k2P2/2P2P2/2R2Q2/3PK3/8/8 w - - 0 1)

Salthouse, Thomas

British Chess Magazine, 1916

8/8/2k2P2/2P2P2/2R2Q2/3PK3/8/8

#2

7 + 1


SOLUTION


  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qd6#
      • 2.Qe4#
  • Tries
    • 1.Qd6+?
      • 1...Kb5
        • 2.Qb6#
      • 1...Kb7!
    • 1.Qc7+?
      • 1...Kb5
        • 2.Qb6#
      • 1...Kd5
        • 2.Rd4#
        • 2.Qd6#
      • 1...Kxc7!
  • Keys
    • 1.Qb8!
      • 1...Kd5
        • 2.Qd6#
      • 1...Kd7
        • 2.c6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT,XQ(D)
  • Actual
    • Q(D);
    • Vars
      • K(a);S_FLIGHT::QAR1(D)
      • K(a);OGATE,S_FLIGHT::P(E)


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).