MESON Chess Problem Database

Problem Display
PID: 173631 (3Qn1rk/5Rpr/3N1R1b/4B1pP/3Kn1P1/3B4/8/8 w - - 0 1)

Boros, Sandor

Schackvarlden, 1938

3Qn1rk/5Rpr/3N1R1b/4B1pP/3Kn1P1/3B4/8/8

#2

9 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rf8
      • 2.Rxf8#
  • Keys
    • 1.Rxg7!
      • 1...Kxg7
        • 2.Rf7#
      • 1...Rhxg7
        • 2.Rxh6#
      • 1...Rgxg7
        • 2.Rf8#
      • 1...Bxg7
        • 2.Sf7#
      • 1...S4xd6
        • 2.Rxh7#
      • 1...S4xf6
        • 2.Rxh7#
      • 1...S8xd6
        • 2.Rxg8#
        • 2.Qxg8#
      • 1...S8xf6
        • 2.Rxg8#
      • 1...Sxg7
        • 2.Sf7#
      • 1...Rf8
        • 2.Rxf8#
      • 1...Sd2
        • 2.Rxh7#
      • 1...Sf2
        • 2.Rxh7#
      • 1...Sc3
        • 2.Rxh7#
      • 1...Sg3
        • 2.Rxh7#
      • 1...Sc5
        • 2.Rxh7#
      • 1...Sc7
        • 2.Rxg8#
        • 2.Qxg8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 13
    • REMOVED MATES = 0
  • Sets
    • R(g);OGATEB::R(H),XR(g)
  • Actual
    • R(H);XP(d)
    • Vars
      • K(h);OGATEB,S_FLIGHT,XR(H)::B(D)+R(G),DCHECK
      • R(e);OGATEB,XR(H)::R(G),XB(c)
      • R(g);OGATEB,P_SPINS(f),XR(H)::R(G)
      • B(c);SBLOCK,XR(H)::S(F)
      • S(a);XS(F)::R1(H),XR(e)
      • S(a);XR(G)::R1(H),XR(e)
      • S(f);P_SPINR(g),XR(G)::R1(H),XR(g)
      • S(f);P_SPINR(g),SBLOCK,XR(H)::S(F)
      • R(g);OGATEB::R(G),XR(g)
      • S(a);::R1(H),XR(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).