MESON Chess Problem Database

Problem Display
PID: 39175 (2bq1n1Q/2p1k1P1/2PRp1Pb/2P3NK/4N3/8/8/8 w - - 0 1)

Lindner, Laszlo

Magyar Hirlap, 1930

2bq1n1Q/2p1k1P1/2PRp1Pb/2P3NK/4N3/8/8/8

#2

9 + 7

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Ke8
      • 2.Qxf8#
    • 1...Qxd6
      • 2.Qxf8#
    • 1...Qd7
      • 2.Qxf8#
    • 1...Qe8
      • 2.g8S#
    • 1...Sxg6
      • 2.Qxd8#
    • 1...Sd7
      • 2.Rxe6#
    • 1...Sh7
      • 2.Qxd8#
  • Tries
    • 1.Rxd8?
      • threat
        • 2.Qxf8#
      • 1...Kxd8
        • 2.Qxf8#
      • 1...Sxg6
        • 2.Re8#
        • 2.Qe8#
      • 1...Sd7
        • 2.Re8#
        • 2.Qe8#
      • 1...Sh7
        • 2.Re8#
        • 2.Qe8#
      • 1...Bxg7!
    • 1.Qg8?
      • threat
        • 2.Qf7#
      • 1...Ke8
        • 2.Qf7#
        • 2.Qxf8#
      • 1...Qxd6
        • 2.Qxf8#
      • 1...Qd7
        • 2.Qxf8#
      • 1...Qe8!
  • Keys
    • 1.Sf6!
      • threat
        • 2.g8S#
      • 1...Kxf6
        • 2.gxf8Q#
      • 1...Qxd6
        • 2.Qxf8#
      • 1...Bxg7
        • 2.Qxg7#
      • 1...Sxg6
        • 2.Qxd8#
      • 1...Qd7
        • 2.Qxf8#
      • 1...Sd7
        • 2.Rxe6#
      • 1...Sh7
        • 2.Qxd8#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(d);P-FLIGHT,P_SPINS(g)::QAR1(I),XS(g)
    • Q(f);N_GUARD,XR(F)::QAB1(I),XS(g)
    • Q(f);N_GUARD::QAB1(I),XS(g)
    • Q(f);P_PINP(G),SBLOCK::P=S
    • S(g);OGATE,XP(G)::QAB1(I),XQ(f)
    • S(g);N_GUARD,S_CUTB(e)::R1(F),XP(a)
    • S(g);OGATE::QAB1(I),XQ(f)
  • Tries
    • Try
      • R(F);XQ(f)
      • Threat
        • QAB1(I),XS(g)
      • Vars
        • K(d);P_SPINS(g),S_FLIGHT,XR(F)::QAR2(I),XS(g)
      • Refutation
        • B(b);XP(H)
    • Try
      • Q(I);
      • Threat
        • QAR1(I)
      • Vars
        • Q(f);N_GUARD,XR(F)::QAB1(I),XS(g)
        • Q(f);N_GUARD::QAB1(I),XS(g)
      • Refutation
        • Q(f);P_PINP(G)
  • Actual
    • S(A);
    • Threat
      • P=S
    • Vars
      • K(d);P_SPINP(a),S_FLIGHT,XS(A)::PXS(g)=Q
      • Q(f);N_GUARD,XR(F)::QAB1(I),XS(g)
      • B(b);OGATE,XP(H)::QAR2(I),XB(b)
      • S(g);OGATE,XP(G)::QAB1(I),XQ(f)
      • Q(f);N_GUARD::QAB1(I),XS(g)
      • S(g);N_GUARD,S_CUTB(e)::R1(F),XP(a)
      • S(g);OGATE::QAB1(I),XQ(f)
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