MESON Chess Problem Database

Problem Display
PID: 21120 (8/6Pk/8/3n4/2B3NK/6Q1/8/8 w - - 0 1)

Havel, Miroslav

3rd Prize, Tidskrift for Schack, 1916

8/6Pk/8/3n4/2B3NK/6Q1/8/8

#2

5 + 2

6024 Bohemian Garnets 1923
5501 Chess Cameos 1936
4872 Themes-64 1956
3295 Einfuhrung in die Welt des Schachproblem 1984
2838 Fun with Chess Miniatures 1996
5454 Near Snap 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.g8Q#
    • 1...Se3
      • 2.g8Q#
    • 1...Sb4
      • 2.g8Q#
    • 1...Sf4
      • 2.g8Q#
    • 1...Sb6
      • 2.g8Q#
    • 1...Sc7
      • 2.g8Q#
  • Tries
    • 1.Sf6+?
      • 1...Kh6
        • 2.Qg5#
        • 2.g8S#
      • 1...Sxf6!
    • 1.Bd3+?
      • 1...Kg8
        • 2.Sh6#
      • 1...Kxg7!
  • Keys
    • 1.Qc7!
      • 1...Kg6
        • 2.Bd3#
      • 1...Kg8
        • 2.Sf6#
      • 1...Sxc7
        • 2.g8Q#
      • 1...Sc3
        • 2.g8Q#
        • 2.g8R#
      • 1...Se3
        • 2.g8Q#
        • 2.g8R#
      • 1...Sb4
        • 2.g8Q#
        • 2.g8R#
      • 1...Sf4
        • 2.g8Q#
        • 2.g8R#
      • 1...Sb6
        • 2.g8Q#
      • 1...Sf6
        • 2.g8Q#
      • 1...Se7
        • 2.g8Q#

Anticipated by 18996(1911)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • S(a);::P=Q
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • S(a);XS(C)
    • Try
      • B(B);CHECK
      • Vars
        • K(b);S_FLIGHT::S(C)
      • Refutation
        • K(b);P-FLIGHT,XP(E)
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::B(B)
      • K(b);P_SPINS(a),S_FLIGHT::S(C)
      • S(a);XQ(A)::P=Q
      • S(a);::P=Q
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).