MESON Chess Problem Database

Problem Display
PID: 32170 (1B3nKQ/2pr3B/R5nk/3p1p2/3N1bP1/3b2pN/2r5/1q5R w - - 0 1)

Fulpius, Jaques

4th Prize, Neue Zurcher Zeitung, 1989-1990

1B3nKQ/2pr3B/R5nk/3p1p2/3N1bP1/3b2pN/2r5/1q5R

#2

9 + 12

3454 kunstschach (1987-1996) (Hoffmann) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qg7#
    • 1...Rg7+
      • 2.Qxg7#
    • 1...Rd8
      • 2.Qg7#
    • 1...Bf1
      • 2.Sxf5#
    • 1...Be2
      • 2.Sxf5#
    • 1...Bc4
      • 2.Sxf5#
    • 1...Bb5
      • 2.Sxf5#
    • 1...Bxa6
      • 2.Sxf5#
    • 1...c5
      • 2.Bxf4#
  • Tries
    • 1.Sf2+?
      • 1...Kg5
        • 2.Sf3#
        • 2.Rh5#
        • 2.Qf6#
      • 1...Qxh1!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qh4#
      • 1...Rg7+
        • 2.Qxg7#
      • 1...Bxa6
        • 2.Sxf5#
      • 1...Qb6
        • 2.Sf2#
      • 1...Rc6
        • 2.Sg1#
      • 1...Rd6
        • 2.Qg7#
      • 1...Bg5
        • 2.Qxg5#
      • 1...Bd6
        • 2.Qg5#
      • 1...Se6
        • 2.Qxg6#
      • 1...c6
        • 2.Bxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 6
  • Sets
    • R(k);N_GUARD,N_SPINS(h)::QAB1(I)
    • R(k);CHECK,N_GUARD::QAB1(I),XR(k)
    • R(k);N_GUARD::QAB1(I)
    • B(c);N_GUARD::S(C),XP(g)
    • B(c);N_GUARD,N_SPINS(h),SBLOCK,XR(E)::S(C),XP(g)
    • P(j);OGATE::B(G),XB(e)
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • Q(a);XR(A)
  • Actual
    • Q(I);
    • Threat
      • QAR2(I)
    • Vars
      • R(k);CHECK,N_GUARD::QAB1(I),XR(k)
      • B(c);N_GUARD,XR(E)::S(C),XP(g)
      • Q(a);N_GUARD::R(A)+S(B)
      • R(b);N_GUARD::R(A)+S(B)
      • R(k);N_GUARD::QAB1(I)
      • B(e);N_GUARD::QAB1(I),XB(e)
      • B(e);N_GUARD::QAB1(I)
      • S(l);N_GUARD::QAR1(I),XS(h)
      • P(j);OGATE::B(G),XB(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).