MESON Chess Problem Database

Problem Display
PID: 59840 (2K2NN1/2QnPp1n/1p3B2/1R2pk2/6R1/bp5P/1rr5/1B6 w - - 0 1)

Nestorescu, Virgil

4/6 Place, Match: Bulgaria - Romania, 1974

2K2NN1/2QnPp1n/1p3B2/1R2pk2/6R1/bp5P/1rr5/1B6

#2

10 + 10

4764 Probleme si studii alese 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Bc5
      • 2.Qxd7#
    • 1...Sc5
      • 2.Qxe5#
    • 1...Sdxf6
      • 2.Sh6#
      • 2.Rxe5#
    • 1...Sb8
      • 2.Rxe5#
    • 1...Sdxf8
      • 2.Rxe5#
    • 1...Shxf6
      • 2.Sh6#
  • Tries
    • 1.Bxc2+?
      • 1...bxc2
        • 2.Qxd7#
      • 1...Rxc2!
    • 1.Bg7?
      • threat
        • 2.Sh6#
      • 1...Sdxf8
        • 2.Rxe5#
      • 1...Shxf8!
    • 1.Bh8?
      • threat
        • 2.Sh6#
      • 1...Sdxf8
        • 2.Rxe5#
      • 1...Shxf8!
    • 1.e8S?
      • threat
        • 2.Sg7#
        • 2.Sh6#
      • 1...Sdxf8
        • 2.Sg7#
        • 2.Rxe5#
      • 1...Shxf8
        • 2.Sg7#
      • 1...Bxf8!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Rf4#
      • 1...Sdxf6
        • 2.Sh6#
      • 1...Sdxf8
        • 2.Rxe5#
      • 1...Shxf6
        • 2.Sh6#
      • 1...Shxf8
        • 2.Rg5#
      • 1...Bc5
        • 2.Qe4#
      • 1...Sc5
        • 2.Qf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(c);N_PINQ(F),N_SPINP(e)::QAB(F),XS(h)
    • S(h);N_PINQ(F),N_SPINP(e)::QAR1(F),XP(e)
    • S(h);N_GUARD::R1(D),XP(e)
    • S(h);N_GUARD,XS(I)::R1(D),XP(e)
    • S(j);SBLOCK,XB(E)::S(J)
  • Tries
    • Try
      • B(A);CHECK,N_SPINQ(F),XR(b)
      • Vars
        • P(d);XB(A)::QAB(F),XS(h)
      • Refutation
        • R(a);P_PINQ(F),XB(A)
    • Try
      • B(E);
      • Threat
        • S(J)
      • Vars
        • S(h);N_GUARD,XS(I)::R1(D),XP(e)
      • Refutation
        • S(j);XS(I)
    • Try
      • B(E);
      • Threat
        • S(J)
      • Vars
        • S(h);N_GUARD,XS(I)::R1(D),XP(e)
      • Refutation
        • S(j);XS(I)
    • Try
      • P(G);
      • Threat
        • DUALS(2)
      • Vars
        • S(j);XS(I)::S(G)
      • Refutation
        • B(c);XS(I)
  • Actual
    • Q(F);
    • Threat
      • R1(C)
    • Vars
      • S(h);SBLOCK,XB(E)::S(J)
      • S(h);N_GUARD,XS(I)::R1(D),XP(e)
      • S(j);SBLOCK,XB(E)::S(J)
      • S(j);N_GUARD,XS(I)::R1(C)
      • B(c);N_PINQ(F),N_SPINP(e)::QAB1(F)
      • S(h);N_PINQ(F),N_SPINP(e)::QAR(F)
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