MESON Chess Problem Database

Problem Display
PID: 110478 (2N5/3pr3/3Pb3/1Kbkn3/2pPp1p1/8/2N5/5Q2 w - - 0 1)

Bata, Lorinc

Fonyodi Jarasi TT, 1964-1965

2N5/3pr3/3Pb3/1Kbkn3/2pPp1p1/8/2N5/5Q2

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd4
      • 2.Sb4#
    • 1...Bxd6
      • 2.Sb6#
    • 1...Sf3
      • 2.Qxc4#
    • 1...Sc6
      • 2.Qxc4#
    • 1...Sg6
      • 2.Qxc4#
    • 1...Sf7
      • 2.Qxc4#
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qxe5#
      • 1...Bxd4
        • 2.Sb4#
      • 1...Bxd6
        • 2.Sb6#
      • 1...Bf5
        • 2.Sxe7#
      • 1...Bf7
        • 2.Sxe7#
      • 1...Bg8
        • 2.Sxe7#
      • 1...Sd3
        • 2.Se3#
      • 1...Sf3
        • 2.Se3#
      • 1...Sc6
        • 2.Se3#
      • 1...Sg6
        • 2.Se3#
      • 1...Sf7
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(d);N_GUARD,SBLOCK,XP(C)::S(B)
    • B(d);N_GUARD,SBLOCK,XP(E)::S(F)
    • S(f);N_GUARD::QAB1(A),XP(a)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XS(f)
    • Vars
      • B(d);N_GUARD,SBLOCK,XP(C)::S(B)
      • B(d);N_GUARD,SBLOCK,XP(E)::S(F)
      • B(g);::S(F),XR(i)
      • S(f);::S(B)
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