MESON Chess Problem Database

Problem Display
PID: 142001 (4b3/3p4/8/8/8/8/7Q/k3KR1R w K - 0 1)

Kratschmer, Ralf

Deutsche Schachzeitung, 1987

4b3/3p4/8/8/8/8/7Q/k3KR1R

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Rf3?
      • threat
        • 2.0-0#
      • 1...Kb1
        • 2.0-0#
      • 1...Bg6!
    • 1.Rf5?
      • threat
        • 2.0-0#
      • 1...Kb1
        • 2.0-0#
      • 1...Bh5!
    • 1.Qe2?
      • threat
        • 2.Kf2#
      • 1...Kb1
        • 2.Kf2#
      • 1...Bg6!
  • Keys
    • 1.Rf7!
      • threat
        • 2.0-0#
      • 1...Kb1
        • 2.0-0#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Threat
        • 0-0
      • Vars
        • K(a);P-FLIGHT::0-0
      • Refutation
        • B(c);
    • Try
      • R(B);
      • Threat
        • 0-0
      • Vars
        • K(a);P-FLIGHT::0-0
      • Refutation
        • B(c);
    • Try
      • Q(D);
      • Threat
        • R(B)+K(A)
      • Vars
        • K(a);P-FLIGHT::R(B)+K(A)
      • Refutation
        • B(c);
  • Actual
    • R(B);
    • Threat
      • 0-0
    • Vars
      • K(a);P-FLIGHT::0-0
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).