MESON Chess Problem Database

Problem Display
PID: 251263 (6n1/8/n3R3/3Ppk2/2K1Nr1p/7P/8/2B2RNB w - - 0 1)

Zilahi, Zoltan

British Chess Magazine, 1933

6n1/8/n3R3/3Ppk2/2K1Nr1p/7P/8/2B2RNB

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf1
      • 2.Sd6#
    • 1...Rf2
      • 2.Sd6#
      • 2.Rxf2#
    • 1...Rf3
      • 2.Sd6#
    • 1...Sf6
      • 2.Rxf6#
    • 1...Sh6
      • 2.Rf6#
    • 1...Se7
      • 2.Rf6#
  • Tries
    • 1.Bxf4?
      • threat
        • 2.Sd6#
        • 2.Bc1#
        • 2.Bd2#
        • 2.Bh2#
        • 2.Be3#
        • 2.Bg3#
        • 2.Bxe5#
        • 2.Bg5#
        • 2.Bh6#
      • 1...Sf6
        • 2.Rxf6#
      • 1...Sh6
        • 2.Sd6#
        • 2.Bc1#
        • 2.Bd2#
        • 2.Bh2#
        • 2.Be3#
        • 2.Bg3#
        • 2.Bxe5#
        • 2.Bg5#
        • 2.Bxh6#
        • 2.Rf6#
      • 1...exf4!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Sxh4#
      • 1...Rxe4+
        • 2.Sd4#
      • 1...Kxe4
        • 2.Rxe5#
      • 1...Rxf3
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(a);N_PINS(G),N_SPINR(a),XR(B)::S(G)
    • R(a);N_PINS(G)::S(G)
    • S(f);N_GUARD::R1(I),XS(f)
    • S(f);N_GUARD::R1(I)
  • Tries
    • Try
      • B(A);N_SPINS(G),XR(a)
      • Threat
        • DUALS(9)
      • Vars
        • S(f);N_GUARD::R1(I),XS(f)
      • Refutation
        • P(c);P_SPINP(c),XB(A)
  • Actual
    • S(C);N_PINR(a)
    • Threat
      • S(C),XP(b)
    • Vars
      • R(a);CHECK,XS(G)::R(B)+S(C),DCHECK
      • K(d);N_GUARD,P_SPINP(c),S_FLIGHT,XS(G)::R1(I),XP(c)
      • R(a);N_PINS(G),P_SPINR(a),XS(C)::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).