MESON Chess Problem Database

Problem Display
PID: 58601 (2K1N3/1P1P4/1pk1p1p1/P1P5/P4n2/2Nn3b/2R1B2b/Br1r4 w - - 0 1)

Petite, Efren

Het Belgisch Schaakbord (L'Echiquier Belge), 1955

2K1N3/1P1P4/1pk1p1p1/P1P5/P4n2/2Nn3b/2R1B2b/Br1r4

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sxc5
      • 2.b8S#
    • 1...bxc5
      • 2.d8S#
  • Tries
    • 1.Bf3+?
      • 1...Kxc5
        • 2.Sa2#
        • 2.Sd5#
      • 1...Sd5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Se7#
      • 1...Kxd5
        • 2.Bf3#
      • 1...Sxd5
        • 2.d8S#
      • 1...exd5
        • 2.b8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(d);SBLOCK,XP(G)::P=S
    • P(g);SBLOCK,XP(G)::P=S
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • S(f);P_SPINS(f)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(h);OGATEB,S_FLIGHT,XS(D)::B(C)
      • S(f);SBLOCK,XS(D)::P=S
      • P(i);P_PINP(I),SBLOCK,XS(D)::P=S
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).