MESON Chess Problem Database

Problem Display
PID: 89865 (N7/2B5/n2R4/2k5/B7/2K5/8/8 w - - 0 1)

Kaul, H

Die Schwalbe, 1948

N7/2B5/n2R4/2k5/B7/2K5/8/8

#2

5 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Ba5?
      • 1...Sb4
        • 2.Bxb4#
      • 1...Sc7
        • 2.Bb4#
      • 1...Sb8
        • 2.Bb4#
      • 1...Kxd6!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sd7#
        • 2.Rd5#
        • 2.Rc6#
      • 1...Sxc7
        • 2.Rc6#
      • 1...Sb4
        • 2.Sd7#
      • 1...Sb8
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Vars
        • S(b);N_GUARD::B(D),XS(b)
        • S(b);N_GUARD::B(D)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
  • Actual
    • S(E);
    • Threat
      • DUALS(3)
    • Vars
      • S(b);XB(D)::R1(C)
      • S(b);::S(E)
      • S(b);::R1(C)
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).