Problem Display
PID: 110385 (5K2/4P3/8/5k2/6N1/6RN/8/3R4 w - - 0 1)

Mlynka, Karol

Sp. Prize, Lokker MT, 2000

5K2/4P3/8/5k2/6N1/6RN/8/3R4

#2

6 + 1


5454 Near Snap 2009
6490 yacpdb 2009
145 StrateGems 2012

SOLUTION


  • SOUND
  • Tries
    • 1.Rd5+?
      • 1...Ke4
        • 2.Sf6#
      • 1...Ke6
        • 2.Sf4#
      • 1...Kg6!
    • 1.e8S?
      • 1...Ke4
        • 2.Sd6#
      • 1...Ke6
        • 2.Sg7#
      • 1...Kg6!
  • Keys
    • 1.e8B!
      • 1...Ke4
        • 2.Bg6#
      • 1...Ke6
        • 2.Bd7#

Anticipated by 2187(1855), 95155(1976), 7981(1995)

This anticipates 173960(2005)

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(a);S_FLIGHT::S(D)
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(E);
    • Vars
      • K(a);S_FLIGHT::B(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).