MESON Chess Problem Database

Problem Display
PID: 183002 (8/3pK1R1/3P1N1B/4pk1r/2p1N3/R2p2Pb/4P1pb/3nQ3 w - - 0 1)

Belliboni, Caetano

Problemas, 1990

8/3pK1R1/3P1N1B/4pk1r/2p1N3/R2p2Pb/4P1pb/3nQ3

#2

10 + 10

1077 Boletim da UBP 1990

SOLUTION

  • SOUND
  • Sets
    • 1...Rh4
      • 2.Rg5#
    • 1...Rg5
      • 2.Rxg5#
    • 1...Rxh6
      • 2.Rg5#
    • 1...Bxg3
      • 2.Sxg3#
    • 1...Sb2
      • 2.Qf2#
    • 1...Sf2
      • 2.Qxf2#
    • 1...Sc3
      • 2.Qf2#
    • 1...Se3
      • 2.Qf2#
    • 1...dxe2
      • 2.Rf3#
    • 1...d2
      • 2.Rf3#
  • Tries
    • 1.Sc3?
      • threat
        • 2.e4#
      • 1...Sxc3
        • 2.Qf2#
      • 1...e4
        • 2.Ra5#
      • 1...Rh4
        • 2.Rg5#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Se3
        • 2.Qf2#
      • 1...dxe2!
    • 1.Sc5?
      • threat
        • 2.e4#
      • 1...dxe2
        • 2.Rf3#
      • 1...Rh4
        • 2.Rg5#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Sc3
        • 2.Qf2#
      • 1...Se3
        • 2.Qf2#
      • 1...e4!
  • Keys
    • 1.Sd2!
      • threat
        • 2.e4#
      • 1...dxe2
        • 2.Rf3#
      • 1...e4
        • 2.Ra5#
      • 1...Rh4
        • 2.Rg5#
      • 1...Sf2
        • 2.Qxf2#
      • 1...Sc3
        • 2.Qf2#
      • 1...Se3
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(i);N_GUARD::R1(J)
    • R(i);N_GUARD::R1(J),XR(i)
    • R(i);N_GUARD,XB(H)::R1(J)
    • B(c);XP(D)::S(E),XB(c)
    • S(a);N_GUARD::QAR(A)
    • S(a);N_GUARD::QAR(A),XS(a)
    • P(d);OGATE,XP(B)::R(C)
    • P(d);OGATE::R(C)
  • Tries
    • Try
      • S(E);
      • Threat
        • P(B)
      • Vars
        • S(a);N_GUARD,XS(E)::QAR(A)
        • P(g);OGATEB::R(C)
        • R(i);N_GUARD::R1(J)
        • S(a);N_GUARD::QAR(A),XS(a)
        • S(a);N_GUARD::QAR(A)
      • Refutation
        • P(d);XP(B)
    • Try
      • S(E);
      • Threat
        • P(B)
      • Vars
        • P(d);OGATE,XP(B)::R(C)
        • R(i);N_GUARD::R1(J)
        • S(a);N_GUARD::QAR(A),XS(a)
        • S(a);N_GUARD::QAR(A)
      • Refutation
        • P(g);
  • Actual
    • S(E);
    • Threat
      • P(B)
    • Vars
      • P(d);OGATE,XP(B)::R(C)
      • P(g);OGATEB::R(C)
      • R(i);N_GUARD::R1(J)
      • S(a);N_GUARD::QAR(A),XS(a)
      • S(a);N_GUARD::QAR(A)
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).