MESON Chess Problem Database

Problem Display
PID: 230920 (1R6/5p2/2B1pP1P/4k3/N2N2pK/1Q4p1/6P1/8 w - - 0 1)

Holt, Locke

Preston Guardian, 1882

(First published on Wed Oct 18 1882)

1R6/5p2/2B1pP1P/4k3/N2N2pK/1Q4p1/6P1/8

#2

9 + 5

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qc3#
    • 1...Kf4
      • 2.Qxg3#
  • Tries
    • 1.Kg5?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kd6!
    • 1.Ra8?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qxg3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Kxf6!
    • 1.Rc8?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qxg3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Kxf6!
    • 1.Rd8?
      • 1...Kf4
        • 2.Qxg3#
      • 1...Kxf6!
    • 1.Re8?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qxg3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Kxf6!
    • 1.Rg8?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qxg3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Kxf6!
    • 1.Rh8?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qxg3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Kxf6!
    • 1.Qd5+?
      • 1...Kf4
        • 2.Qe4#
        • 2.Qg5#
      • 1...Kxf6
        • 2.Qg5#
      • 1...exd5!
    • 1.Qxe6+?
      • 1...Kxd4
        • 2.Rd8#
        • 2.Qe4#
      • 1...Kf4
        • 2.Se2#
        • 2.Qe4#
      • 1...fxe6!
    • 1.Qa3?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qxg3#
      • 1...Kxf6!
    • 1.Qc3?
      • 1...Kf4
        • 2.Qxg3#
      • 1...Kd6
        • 2.Sb5#
      • 1...Kxf6!
    • 1.Qe3+?
      • 1...Kxf6
        • 2.Qg5#
      • 1...Kd6!
    • 1.Qxg3+?
      • 1...Kxd4
        • 2.Rb4#
        • 2.Qc3#
      • 1...Kxf6!
  • Keys
    • 1.Rf8!
      • 1...Kxd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qxg3#
      • 1...Kd6
        • 2.Qb8#
      • 1...Kxf6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
    • K(c);S_FLIGHT::QAB1(B),XP(a)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(I);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
        • K(c);S_FLIGHT::QAB1(B),XP(a)
        • K(c);S_FLIGHT::QAB(B)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • R(I);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
        • K(c);S_FLIGHT::QAB1(B),XP(a)
        • K(c);S_FLIGHT::QAB(B)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • R(I);
      • Vars
        • K(c);S_FLIGHT::QAB1(B),XP(a)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • R(I);P_PINP(d)
      • Vars
        • K(c);N_SPINP(d),OGATEB,S_FLIGHT,XS(D)::QAB1(B)
        • K(c);N_SPINP(d),S_FLIGHT::QAB1(B),XP(a)
        • K(c);N_SPINP(d),S_FLIGHT::QAB(B)
      • Refutation
        • K(c);N_SPINP(d),S_FLIGHT,XP(G)
    • Try
      • R(I);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
        • K(c);S_FLIGHT::QAB1(B),XP(a)
        • K(c);S_FLIGHT::QAB(B)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • R(I);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
        • K(c);S_FLIGHT::QAB1(B),XP(a)
        • K(c);S_FLIGHT::QAB(B)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT,XP(G)::QAB1(B)
      • Refutation
        • P(d);XQ(B)
    • Try
      • Q(B);CHECK,XP(d)
      • Refutation
        • P(e);XQ(B)
    • Try
      • Q(B);
      • Vars
        • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
        • K(c);S_FLIGHT::QAB1(B),XP(a)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • Q(B);
      • Vars
        • K(c);S_FLIGHT::QAB1(B),XP(a)
        • K(c);S_FLIGHT::S(D)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(G)::QAB1(B)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(B);CHECK,XP(a)
      • Refutation
        • K(c);S_FLIGHT,XP(G)
  • Actual
    • R(I);
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(B)
      • K(c);S_FLIGHT::QAB1(B),XP(a)
      • K(c);S_FLIGHT::QAB(B)
      • K(c);P_SPINP(e),S_FLIGHT,XP(G)::QAR1(B),XP(d)
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