Problem Display
PID: 123436 (7R/1k1PK2P/8/1P6/3B4/8/8/8 w - - 0 1)

Zsebok, Otto

Tehetsegkutatas, 1987

7R/1k1PK2P/8/1P6/3B4/8/8/8

#2

6 + 1


6490 yacpdb 2009
5454 Near Snap 2014

SOLUTION


  • SOUND
  • Tries
    • 1.Kd8?
      • 1...Ka8
        • 2.Kc7#
      • 1...Kb8!
    • 1.Rb8+?
      • 1...Kc7
        • 2.Be5#
        • 2.d8Q#
      • 1...Kxb8!
  • Keys
    • 1.d8R!
      • 1...Kc7
        • 2.Rd7#

Anticipated by 96407(1967)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::R(F)+K(D)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(F);CHECK
      • Refutation
        • K(a);P-FLIGHT,XR(F)
  • Actual
    • P(C);
    • Vars
      • K(a);P-FLIGHT::R1(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).