MESON Chess Problem Database

Problem Display
PID: 258786 (1Q6/8/3N2K1/3k4/5P2/8/4B3/8 w - - 0 1)

Mendes de Moraes Filho, Feliciano

Die Schwalbe, 1967

1Q6/8/3N2K1/3k4/5P2/8/4B3/8

#2

5 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Sb5?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kc5
        • 2.Qd6#
      • 1...Ke6
        • 2.Qd6#
      • 1...Kc6!
    • 1.Sf5?
      • 1...Ke4
        • 2.Qe5#
      • 1...Kc5
        • 2.Qd6#
        • 2.Qb5#
      • 1...Ke6
        • 2.Qd6#
      • 1...Kc6!
    • 1.Sb7?
      • 1...Kd4
        • 2.Qe5#
      • 1...Ke4
        • 2.Qe5#
      • 1...Ke6
        • 2.Qd6#
      • 1...Kc6!
    • 1.Sf7?
      • 1...Kd4
        • 2.Qe5#
      • 1...Ke4
        • 2.Qe5#
      • 1...Kc5
        • 2.Qd6#
      • 1...Ke6
        • 2.Qd6#
      • 1...Kc6!
    • 1.Sc8?
      • 1...Kd4
        • 2.Qe5#
      • 1...Ke4
        • 2.Qe5#
      • 1...Kc5
        • 2.Qd6#
      • 1...Ke6
        • 2.Qd6#
      • 1...Kc6!
    • 1.Qc7?
      • 1...Ke6
        • 2.Bc4#
      • 1...Kd4!
  • Keys
    • 1.Se8!
      • 1...Kd4
        • 2.Qe5#
      • 1...Ke4
        • 2.Qe5#
      • 1...Kc5
        • 2.Qd6#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(E)
        • K(a);N_GUARD,P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAB1(E)
        • K(a);N_GUARD,S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAB1(E)
        • K(a);N_GUARD,S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAB1(E)
        • K(a);N_GUARD,S_FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);N_GUARD,P-FLIGHT::QAB1(E)
      • K(a);N_GUARD,S_FLIGHT::QAR1(E)
      • K(a);N_GUARD,S_FLIGHT::QAB1(E)
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