MESON Chess Problem Database

Problem Display
PID: 59837 (8/1bN1p3/5R2/6p1/1Qppk2q/5pbB/K1P5/6Bn w - - 0 1)

Nestorescu, Virgil

1st HM., Szachy, 1961

8/1bN1p3/5R2/6p1/1Qppk2q/5pbB/K1P5/6Bn

#2

7 + 10

4764 Probleme si studii alese 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qxe7#
    • 1...Be1
      • 2.Qxe7#
    • 1...Bf2
      • 2.Qxe7#
    • 1...Be5
      • 2.Qxb7#
    • 1...Sf2
      • 2.Qe1#
    • 1...c3
      • 2.Qxd4#
    • 1...e5
      • 2.Qxb7#
  • Tries
    • 1.Re6+?
      • 1...Kf4
        • 2.Qd2#
      • 1...Be5!
    • 1.Qxc4?
      • threat
        • 2.Qxd4#
      • 1...Ke5
        • 2.Qe6#
      • 1...Bf2
        • 2.Qe6#
      • 1...f2
        • 2.Qe2#
      • 1...Be5
        • 2.Qd3#
      • 1...Bd5
        • 2.Qxd5#
      • 1...e5
        • 2.Qd3#
      • 1...Sf2!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qxd4#
      • 1...Ke5
        • 2.Re6#
      • 1...Bf2
        • 2.Re6#
      • 1...Be5
        • 2.Bf5#
      • 1...Sf2
        • 2.Qe1#
      • 1...f2
        • 2.Qe2#
      • 1...d3
        • 2.Qe3#
      • 1...e5
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(f);P-FLIGHT::QAR2(E),XP(j)
    • B(c);N_GUARD::QAR(E),XP(j)
    • B(c);SBLOCK::QAB(E),XB(i)
    • S(a);S_CUTB(c)::QAR(E)
    • P(d);OGATE,P_SPINP(e)::QAR1(E),XP(e)
    • P(j);SBLOCK::QAB(E),XB(i)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(f);P-FLIGHT::QAB(E)
      • Refutation
        • B(c);P_SPINB(c)
    • Try
      • Q(E);P_PINP(e),XP(d)
      • Threat
        • QAR1(E),XP(e)
      • Vars
        • K(f);N_SPINP(e),P-FLIGHT::QAR1(E)
        • B(c);N_GUARD::QAR2(E)
        • P(b);N_GUARD::QAR2(E)
        • B(c);SBLOCK::QAB1(E)
        • B(i);N_GUARD,P_PINQ(E)::QAB1(E),XB(i)
        • P(j);SBLOCK::QAB1(E)
      • Refutation
        • S(a);
  • Actual
    • Q(E);
    • Threat
      • QAR1(E),XP(e)
    • Vars
      • K(f);P-FLIGHT::R1(F)
      • B(c);N_GUARD::R(F)
      • B(c);SBLOCK::B(D)
      • S(a);S_CUTB(c)::QAR(E)
      • P(b);N_GUARD::QAR2(E)
      • P(e);N_GUARD::QAR1(E)
      • P(j);SBLOCK::B(D)
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