MESON Chess Problem Database

Problem Display
PID: 9345 (K2k4/3P1n2/3R4/8/8/8/8/1Q2B3 w - - 0 1)

Blumenthal, Oscar

Bohemia, 1901

K2k4/3P1n2/3R4/8/8/8/8/1Q2B3

#2

5 + 2

3757 Schachminiaturen I 1902
6479 Problemschach (Sidler) 1968
3295 Einfuhrung in die Welt des Schachproblem 1984
3310 2345 Chess Problems 1997
4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Kc7
      • 2.Qb6#
      • 2.Qb8#
  • Tries
    • 1.Bh4+?
      • 1...Kc7
        • 2.Qb6#
        • 2.Qb8#
      • 1...Sg5!
    • 1.Qb7?
      • 1...Ke7
        • 2.d8Q#
        • 2.d8R#
      • 1...Sxd6
        • 2.Bh4#
      • 1...Se5
        • 2.Bh4#
      • 1...Sh6
        • 2.Bh4#
      • 1...Sh8
        • 2.Bh4#
      • 1...Sg5!
  • Keys
    • 1.Qh7!
      • 1...Kc7
        • 2.d8Q#
      • 1...Ke7
        • 2.d8Q#
      • 1...Sxd6
        • 2.Ba5#
      • 1...Se5
        • 2.Ba5#
      • 1...Sg5
        • 2.Ba5#
      • 1...Sh6
        • 2.Ba5#
      • 1...Sh8
        • 2.Ba5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • S(a);P_SPINS(a)
    • Try
      • Q(A);
      • Vars
        • K(b);OGATE,S_FLIGHT::P=Q
        • S(a);N_GUARD,XR(C)::B(B)
        • S(a);N_GUARD::B(B)
      • Refutation
        • S(a);
  • Actual
    • Q(A);
    • Vars
      • K(b);OGATE,S_FLIGHT::P=Q
      • K(b);OGATE,P_SPINS(a),S_FLIGHT::P=Q
      • S(a);XR(C)::B(B)
      • S(a);::B(B)
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).