MESON Chess Problem Database

Problem Display
PID: 54649 (6QK/6p1/2b5/3NpP2/3Pk1p1/5R2/B3pr1n/b1R1NnB1 w - - 0 1)

Nestorescu, Virgil

2nd Comm., Match: Belgrade - Bucharest, 1958

6QK/6p1/2b5/3NpP2/3Pk1p1/5R2/B3pr1n/b1R1NnB1

#2

10 + 10

4764 Probleme si studii alese 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Rc4#
    • 1...Rg2
      • 2.Bb1#
    • 1...Bxd4
      • 2.Bb1#
    • 1...Bxd5
      • 2.Qxd5#
    • 1...exd4
      • 2.Qe6#
  • Tries
    • 1.Sc3+?
      • 1...Kxd4
        • 2.Qc4#
      • 1...Bxc3!
    • 1.Sf6+?
      • 1...Kxd4
        • 2.Rc4#
        • 2.Rd3#
        • 2.Qc4#
      • 1...gxf6!
    • 1.Rf4+?
      • 1...Rxf4
        • 2.Bb1#
      • 1...exf4!
    • 1.Qe6?
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Rc4#
      • 1...Bxd4
        • 2.Bb1#
      • 1...Sxf3!
    • 1.Qb8?
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Qb4#
      • 1...Bxd4
        • 2.Qb1#
      • 1...exd4
        • 2.Qf4#
      • 1...Sxf3!
  • Keys
    • 1.Qxg7!
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Rf4#
      • 1...Bxd4
        • 2.Sf6#
      • 1...Sxf3
        • 2.Qxg4#
      • 1...exd4
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(f);OGATEB,P-FLIGHT,P_SPINR(d),XP(F)::R1(A)
    • R(d);::B(D)
    • B(a);SBLOCK,XP(F)::B(D)
    • B(i);OGATE,XS(G)::QAB1(I),XB(i)
    • P(h);OGATEB,SBLOCK,XP(F)::QAR2(I)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(f);P-FLIGHT,P_SPINR(d),XP(F)::QAR1(I)
      • Refutation
        • B(a);XS(G)
    • Try
      • S(G);CHECK
      • Refutation
        • P(j);XS(G)
    • Try
      • R(E);CHECK
      • Vars
        • R(d);XR(E)::B(D)
      • Refutation
        • P(h);XR(E)
    • Try
      • Q(I);P_PINP(h)
      • Threat
        • QAR1(I),XP(h)
      • Vars
        • K(f);N_SPINP(h),OGATEB,P-FLIGHT,P_SPINR(d),XP(F)::R1(A)
        • B(a);SBLOCK,XP(F)::B(D)
      • Refutation
        • S(e);XR(E)
    • Try
      • Q(I);
      • Threat
        • QAR1(I),XP(h)
      • Vars
        • K(f);OGATEB,P-FLIGHT,P_SPINR(d),XP(F)::QAR2(I)
        • B(a);SBLOCK,XP(F)::QAB(I)
        • P(h);OGATE,SBLOCK,XP(F)::QAR1(I)
      • Refutation
        • S(e);XR(E)
  • Actual
    • Q(I);XP(j)
    • Threat
      • QAR1(I),XP(h)
    • Vars
      • K(f);P-FLIGHT,P_SPINP(h),P_SPINR(d),XP(F)::R(E)
      • B(a);SBLOCK,XP(F)::S(G)
      • S(e);N_GUARD,XR(E)::QAR2(I),XP(g)
      • P(h);OGATEB,SBLOCK,XP(F)::QAR(I)
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