MESON Chess Problem Database

Problem Display
PID: 164513 (8/r2BB1r1/1N1R4/pp1p4/Pk1P3b/n7/K2P4/5R2 w - - 0 1)

Candela Sanz, Rafael

The Problemist, 1980

8/r2BB1r1/1N1R4/pp1p4/Pk1P3b/n7/K2P4/5R2

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Rdf6#
    • 1...Rg2
      • 2.Rdf6#
    • 1...Rg3
      • 2.Rdf6#
    • 1...Rg4
      • 2.Rdf6#
    • 1...Rg5
      • 2.Rxd5#
      • 2.Rc6#
      • 2.Re6#
      • 2.Rdf6#
      • 2.Rg6#
      • 2.Rh6#
    • 1...Rg6
      • 2.Rdf6#
    • 1...Rg8
      • 2.Rdf6#
    • 1...Sb1
      • 2.Rxb1#
    • 1...Sc2
      • 2.Rb1#
  • Tries
    • 1.Rf3?
      • threat
        • 2.Rb3#
      • 1...Rg3
        • 2.Rdf6#
      • 1...bxa4!
  • Keys
    • 1.Bxb5!
      • threat
        • 2.Sxd5#
      • 1...Sxb5
        • 2.Rb1#
      • 1...Rg5
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • R(h);N_GUARD::B(I)+R(G)
    • R(h);N_GUARD,P_PINP(C)::B(I)+R(G)
    • S(a);N_GUARD::R(A),XS(a)
    • S(a);N_GUARD::R(A)
  • Tries
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • R(h);N_GUARD::B(I)+R(G)
      • Refutation
        • P(e);XP(D)
  • Actual
    • B(H);XP(e)
    • Threat
      • S(F),XP(f)
    • Vars
      • S(a);N_GUARD,XB(H)::R(A)
      • R(h);N_GUARD,S_CUTB(c)::B(I)+R(G)
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).