MESON Chess Problem Database

Problem Display
PID: 39174 (3q1b1Q/4kpPp/2pRp2P/2P4K/3PP1N1/8/8/8 w - - 0 1)

Lindner, Laszlo

Magyar Hirlap, 1930

3q1b1Q/4kpPp/2pRp2P/2P4K/3PP1N1/8/8/8

#2

9 + 7

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Ke8
      • 2.Qxf8#
      • 2.gxf8Q#
    • 1...Qa5
      • 2.Qxf8#
      • 2.gxf8Q#
    • 1...Qb6
      • 2.Qxf8#
      • 2.gxf8Q#
    • 1...Qc7
      • 2.Qxf8#
      • 2.gxf8Q#
    • 1...Qd7
      • 2.Qxf8#
      • 2.gxf8Q#
    • 1...Qe8
      • 2.g8S#
    • 1...Bxg7
      • 2.Qxd8#
  • Keys
    • 1.Sf6!
      • threat
        • 2.g8S#
      • 1...Kxf6
        • 2.gxf8Q#
        • 2.gxf8B#
        • 2.g8S#
      • 1...Qxd6
        • 2.gxf8Q#
      • 1...Bxg7
        • 2.Qxd8#
      • 1...Qd7
        • 2.gxf8Q#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(f);SBLOCK::P=S
    • B(g);OGATE,XP(H)::QAB1(I),XQ(f)
  • Actual
    • S(C);
    • Threat
      • P=S
    • Vars
      • Q(f);N_GUARD,XR(F)::PXB(g)=Q
      • B(g);OGATE,XP(H)::QAB1(I),XQ(f)
      • Q(f);N_GUARD::PXB(g)=Q
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