Problem Display
PID: 124438 (8/3pP3/3K2P1/5k1N/5P2/8/6Q1/8 w - - 0 1)

Vogel, Peter

Source?, 0000

8/3pP3/3K2P1/5k1N/5P2/8/6Q1/8

#2

6 + 2


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Sg7+?
      • 1...Kf6
        • 2.e8S#
      • 1...Kxf4!
  • Keys
    • 1.Kd5!
      • 1...d6
        • 2.Qg5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::P=S
      • Refutation
        • K(a);P-FLIGHT,XP(B)
  • Actual
    • K(D);P-FLIGHT
    • Vars
      • P(b);::QAR1(A)


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).