MESON Chess Problem Database

Problem Display
PID: 247696 (1b2RrB1/1pQ1r3/1p5q/1N3n1p/1N2kn2/2Pp1R1p/2P2K1B/5b2 w - - 0 1)

Szoghy, Jozsef

2nd HM., Stratford Express, 1949

1b2RrB1/1pQ1r3/1p5q/1N3n1p/1N2kn2/2Pp1R1p/2P2K1B/5b2

#2

10 + 13

14867 BCPS Library 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qg7
      • 2.Rxf4#
    • 1...Qc6
      • 2.Rxf4#
    • 1...Qe6
      • 2.Rxf4#
    • 1...Qf6
      • 2.Rxf4#
    • 1...Qg6
      • 2.Rxf4#
    • 1...Qh7
      • 2.Rxf4#
    • 1...Qh8
      • 2.Rxf4#
    • 1...Re5
      • 2.Rxe5#
    • 1...Se2
      • 2.Bd5#
      • 2.cxd3#
    • 1...Sg2
      • 2.Bd5#
    • 1...Sd5
      • 2.Bxd5#
    • 1...Sg6
      • 2.Bd5#
      • 2.Qxb7#
  • Tries
    • 1.Rxe7+?
      • 1...Qe6
        • 2.Rxf4#
      • 1...Se6
        • 2.Qxb7#
      • 1...Sxe7!
  • Keys
    • 1.Bh7!
      • threat
        • 2.Re3#
      • 1...Qxh7
        • 2.Rxf4#
      • 1...Qg6
        • 2.Rxf4#
      • 1...Se2
        • 2.cxd3#
      • 1...Sg2
        • 2.Qc4#
      • 1...Sd5
        • 2.Qc4#
      • 1...Se6
        • 2.Sd6#
      • 1...Sg6
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • Q(i);N_GUARD::R1(E),XS(e)
    • Q(i);N_GUARD,N_SPINR(k)::R1(E),XS(e)
    • R(k);OGATE::R1(I),XR(k)
    • S(e);N_GUARD::B(J)
    • S(e);N_GUARD::B(J),XS(e)
  • Tries
    • Try
      • R(I);CHECK,XR(k)
      • Vars
        • Q(i);P_SPINQ(i)::R1(E),XS(e)
        • S(e);P_SPINS(e)::QAB(H),XP(j)
      • Refutation
        • S(f);XR(I)
  • Actual
    • B(J);P_PINS(f)
    • Threat
      • R1(E)
    • Vars
      • Q(i);N_GUARD,N_SPINS(f),XB(J)::R1(E),XS(e)
      • Q(i);N_GUARD,N_SPINS(f)::R1(E),XS(e)
      • S(e);N_GUARD,S_CUTB(a)::P(A),XP(b)
      • S(e);::QAR2(H)
      • S(e);N_SPINR(k),S_CUTQ(i)::S(G)
      • S(e);N_GUARD,N_SPINS(f),S_CUTQ(i)::QAB(H),XP(j)
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).