MESON Chess Problem Database

Problem Display
PID: 38495 (3K4/8/1k6/8/3N2Q1/4B3/4R3/5B2 w - - 0 1)

Staudte, Hans Hilmar

Deutsche Schachzeitung, 1973

3K4/8/1k6/8/3N2Q1/4B3/4R3/5B2

#2

6 + 1

2012 Miniature Chess Problems from Many Countries 1981

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3+?
      • 1...Kb5
        • 2.Rc2#
      • 1...Kc6
        • 2.Qd7#
      • 1...Kb7
        • 2.Qc8#
      • 1...Ka6!
    • 1.Qc8?
      • 1...Ka7
        • 2.Sc2#
        • 2.Sb3#
        • 2.Sf3#
        • 2.Sb5#
        • 2.Sf5#
        • 2.Sc6#
        • 2.Se6#
      • 1...Ka5!
  • Keys
    • 1.Sc6+!
      • 1...Kb5
        • 2.Rc2#
      • 1...Ka6
        • 2.Rb2#
      • 1...Kxc6
        • 2.Qd7#
      • 1...Kb7
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(a);P-FLIGHT::B(A)+R(B)
        • K(a);P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);CHECK
    • Vars
      • K(a);P-FLIGHT::B(A)+R(B)
      • K(a);P-FLIGHT,XS(D)::QAB1(E)
      • K(a);P-FLIGHT::QAB1(E)
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).