MESON Chess Problem Database

Problem Display
PID: 67157 (1B4K1/5PR1/6bN/2Q1nNkp/R3p3/7p/7P/8 w - - 0 1)

Golubenko, Vladimir Aleksandrovich

Die Schwalbe, 1982

1B4K1/5PR1/6bN/2Q1nNkp/R3p3/7p/7P/8

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qe3#
    • 1...Kf6
      • 2.Qe7#
    • 1...Sd3
      • 2.Qe7#
    • 1...Sf3
      • 2.Qe7#
    • 1...Sc4
      • 2.Qe7#
    • 1...Sxf7
      • 2.Qe7#
    • 1...e3
      • 2.Qe7#
  • Tries
    • 1.Bxe5?
      • threat
        • 2.Qg1#
        • 2.Qe3#
        • 2.Qe7#
      • 1...e3
        • 2.Qxe3#
        • 2.Qe7#
      • 1...h4!
    • 1.f8S?
      • 1...Kf4
        • 2.Qe3#
      • 1...Kf6
        • 2.Qe7#
      • 1...Sg4
        • 2.Sh7#
        • 2.Rxg6#
      • 1...Sd3
        • 2.Sh7#
        • 2.Rxg6#
        • 2.Qe7#
      • 1...Sf3
        • 2.Sh7#
        • 2.Rxg6#
        • 2.Qe7#
      • 1...Sc4
        • 2.Sh7#
        • 2.Rxg6#
        • 2.Qe7#
      • 1...Sc6
        • 2.Sh7#
        • 2.Rxg6#
      • 1...Sd7
        • 2.Sh7#
        • 2.Rxg6#
      • 1...Sf7
        • 2.Sh7#
        • 2.Rxg6#
        • 2.Qe7#
      • 1...e3
        • 2.Sh7#
        • 2.Qe7#
      • 1...h4!
  • Keys
    • 1.Sh4!
      • 1...Kf4
        • 2.Qc1#
      • 1...Kxh4
        • 2.Qe7#
      • 1...Kf6
        • 2.Qxe5#
      • 1...Kxh6
        • 2.Qe3#
      • 1...e3
        • 2.Rxg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • K(d);N_SPINB(f),P_SPINP(b),P_SPINS(c),S_FLIGHT::QAB1(C)
    • K(d);N_SPINB(f),S_FLIGHT::QAB1(C)
    • S(c);::QAB(C)
    • S(c);XP(F)::QAB(C)
    • P(b);::QAB(C)
  • Tries
    • Try
      • B(H);XS(c)
      • Threat
        • DUALS(3)
      • Refutation
        • P(e);
    • Try
      • P(F);
      • Vars
        • K(d);N_SPINB(f),P_SPINP(b),P_SPINS(c),S_FLIGHT::QAB1(C)
        • K(d);N_SPINB(f),S_FLIGHT::QAB1(C)
      • Refutation
        • P(e);
  • Actual
    • S(D);P_PINS(c)
    • Vars
      • K(d);N_SPINB(f),P_SPINP(b),S_FLIGHT::QAB(C)
      • K(d);N_SPINB(f),N_SPINS(c),P_SPINP(b),S_FLIGHT,XS(D)::QAB(C)
      • K(d);N_SPINB(f),N_SPINS(c),S_FLIGHT::QAB1(C),XS(c)
      • K(d);N_SPINB(f),N_SPINS(c),S_FLIGHT,XS(E)::QAB(C)
      • P(b);::R1(G),XB(f)
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