MESON Chess Problem Database

Problem Display
PID: 121511 (1k2K3/2NRp3/PN2r3/8/2b5/2n5/8/8 w - - 0 1)

Kabes, Vlastimil

Ruch, 1948

1k2K3/2NRp3/PN2r3/8/2b5/2n5/8/8

#2

5 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxa6
      • 2.Sxa6#
  • Tries
    • 1.Sxe6?
      • threat
        • 2.Rb7#
        • 2.a7#
      • 1...Bb5
        • 2.a7#
      • 1...Bd5
        • 2.a7#
      • 1...Sb5
        • 2.Rb7#
      • 1...Bxa6!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Rb7#
        • 2.Rd8#
        • 2.a7#
      • 1...Rxb6
        • 2.Rd8#
      • 1...Bxb5
        • 2.a7#
      • 1...Sxb5
        • 2.Rb7#
      • 1...Rc6
        • 2.Rb7#
        • 2.a7#
      • 1...Rd6
        • 2.Rb7#
        • 2.a7#
      • 1...Bd5
        • 2.Rd8#
        • 2.a7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(b);XP(A)::S(C),XB(b)
  • Tries
    • Try
      • S(C);XR(c)
      • Threat
        • DUALS(2)
      • Vars
        • B(b);P_PINR(D)::P(A)
        • B(b);::P(A)
        • S(a);::R1(D)
      • Refutation
        • B(b);XP(A)
  • Actual
    • S(C);
    • Threat
      • DUALS(3)
    • Vars
      • R(c);XS(B)::R(D)
      • B(b);P_PINR(D),XS(C)::P(A)
      • S(a);XS(C)::R1(D)
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).