MESON Chess Problem Database

Problem Display
PID: 148 (6BB/4p3/2rN1R1K/4P3/1PpkP3/R2brp2/4n2Q/4N3 w - - 0 1)

Stocchi, Ottavio

American Chess Problemist, 1950

6BB/4p3/2rN1R1K/4P3/1PpkP3/R2brp2/4n2Q/4N3

#2

11 + 8

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Sf5#
    • 1...Bc2
      • 2.Sxc2#
    • 1...Bxe4
      • 2.Sb5#
  • Keys
    • 1.Rf4!
      • threat
        • 2.e6#
      • 1...Rxe4
        • 2.Qf2#
      • 1...Bxe4
        • 2.Sc2#
      • 1...Rc5
        • 2.Sf5#
      • 1...e6
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(c);SBLOCK,XP(E)::S(G)
    • B(b);N_GUARD::S(A),XB(b)
    • B(b);SBLOCK,XP(E)::S(G)
  • Actual
    • R(H);P_SPINS(G)
    • Threat
      • B(K)+P(F)
    • Vars
      • R(c);OGATEB,P_SPINR(c),XP(E)::QAB(B)
      • B(b);N_GUARD,P_SPINB(b),XP(E)::S(A)
      • R(g);N_PINS(G)::S(G)
      • P(h);N_PINS(G)::S(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).