MESON Chess Problem Database

Problem Display
PID: 41251 (8/1p3pBn/1P3n2/1p3kPQ/1p3N2/1RPK1PPP/8/8 w - - 0 1)

Szoghy, Jozsef

Pesti Naplo, 1937

8/1p3pBn/1P3n2/1p3kPQ/1p3N2/1RPK1PPP/8/8

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Qg4#
      • 2.fxe4#
    • 1...Sg4
      • 2.Qxg4#
      • 2.fxg4#
      • 2.hxg4#
    • 1...Sd5
      • 2.Qg4#
    • 1...Sd7
      • 2.Qg4#
    • 1...Se8
      • 2.Qg4#
    • 1...Sg8
      • 2.Qg4#
    • 1...Sf8
      • 2.gxf6#
  • Tries
    • 1.Bxf6?
      • threat
        • 2.Qg4#
        • 2.Qxh7#
      • 1...Sxg5
        • 2.Qxg5#
      • 1...Sf8
        • 2.Qg4#
      • 1...Sxf6!
  • Keys
    • 1.Qxf7!
      • 1...Ke5
        • 2.Qd5#
        • 2.Qe6#
      • 1...Kxg5
        • 2.Qg6#
      • 1...Sxg5
        • 2.Qxf6#
      • 1...bxc3
        • 2.Rxb5#
      • 1...Sf8
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(d);N_GUARD::QAB1(I)
    • S(g);N_GUARD::QAR(I)+P(H),XS(d)
  • Tries
    • Try
      • B(K);XS(d)
      • Threat
        • DUALS(2)
      • Vars
        • S(g);OGATE,P_SPINS(g),XP(H)::QAR1(I),XS(g)
        • S(g);::QAB1(I)
      • Refutation
        • S(g);XB(K)
  • Actual
    • Q(I);P_PINS(d),XP(f)
    • Vars
      • K(c);N_SPINS(d),P-FLIGHT,XP(H)::QAR1(I)
      • S(g);N_GUARD,XP(H)::QAR1(I),XS(d)
      • P(a);OGATE,XP(B)::R(A),XP(b)
      • S(g);N_GUARD::QAR1(I),XS(d)
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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).