MESON Chess Problem Database

Problem Display
PID: 65920 (8/8/8/1K2p3/1P1k4/1B1p2Q1/5p2/5N2 w - - 0 1)

Laws, Benjamin Glover

British Chess Magazine, 1889

8/8/8/1K2p3/1P1k4/1B1p2Q1/5p2/5N2

#2

5 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qg4#
    • 1...d2
      • 2.Qe3#
    • 1...e4
      • 2.Qg7#
  • Tries
    • 1.Ka5?
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Ka6?
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Kb6?
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Kc6?
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Ba2?
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Bc4?
      • threat
        • 2.Qxd3#
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qd3#
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Be6?
      • 1...Ke4
        • 2.Qe3#
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Bf7?
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Bg8?
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Qxf2+?
      • 1...Ke4
        • 2.Sd2#
        • 2.Sg3#
      • 1...Kc3!
    • 1.Qh4+?
      • 1...e4
        • 2.Qf6#
        • 2.Qh8#
      • 1...Kc3!
    • 1.Qf3?
      • 1...e4
        • 2.Qf6#
      • 1...d2
        • 2.Qe3#
      • 1...Kc3!
    • 1.Qh3?
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qh8#
      • 1...Kc3!
    • 1.Qg4+?
      • 1...e4
        • 2.Qg7#
      • 1...Kc3!
    • 1.Qg5?
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qf6#
        • 2.Qc5#
        • 2.Qg7#
      • 1...Kc3!
    • 1.Qg8?
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qg4#
      • 1...e4
        • 2.Qg7#
        • 2.Qh8#
      • 1...Kc3!
  • Keys
    • 1.Ka4!
      • 1...Kc3
        • 2.Qxe5#
      • 1...Ke4
        • 2.Qg4#
      • 1...d2
        • 2.Qe3#
      • 1...e4
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR2(C)
    • P(b);::QAB1(C)
    • P(d);OGATEB,SBLOCK::QAB(C)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(b);::QAB1(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(b);::QAB1(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(b);::QAB1(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(b);::QAB1(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(b);::QAB1(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(B);
      • Threat
        • QAR1(C),XP(b)
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(B);
      • Vars
        • P(b);::QAB1(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(b);::QAB1(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(b);::QAB1(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • Q(C);CHECK,XP(a)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(d);OGATEB,SBLOCK::QAB(C)
        • P(b);::QAB1(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(b);::QAB1(C)
        • P(d);OGATEB,SBLOCK::QAB(C)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • P(d);OGATEB,P_SPINP(d),SBLOCK::QAB(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
        • P(b);::QAB1(C)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Vars
        • K(c);P-FLIGHT::QAR2(C)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • K(E);S_FLIGHT
    • Vars
      • K(c);P_SPINP(b),S_FLIGHT::QAB(C),XP(d)
      • K(c);P-FLIGHT::QAR2(C)
      • P(b);::QAB1(C)
      • P(d);OGATEB,SBLOCK::QAB(C)
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