MESON Chess Problem Database

Problem Display
PID: 231417 (6k1/3pp1B1/B5K1/7N/8/8/8/8 w - - 0 1)

Jaszai, Dezso

Zaszlonk, 1927

6k1/3pp1B1/B5K1/7N/8/8/8/8

#2

4 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Sf6#
    • 1...e6
      • 2.Sf6#
  • Tries
    • 1.Bc4+?
      • 1...e6
        • 2.Sf6#
      • 1...d5!
  • Keys
    • 1.Bc8!
      • 1...d5
        • 2.Be6#
      • 1...d6
        • 2.Be6#
      • 1...e5
        • 2.Sf6#
      • 1...e6
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::S(A)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • P(b);P_SPINP(b)::S(A)
      • Refutation
        • P(a);P_SPINP(a)
  • Actual
    • B(B);
    • Vars
      • P(a);OGATE::B(B)
      • P(b);N_GUARD::S(A)
HTML5 logo

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).