MESON Chess Problem Database

Problem Display
PID: 4979 (8/7B/4p2Q/1p1pR1N1/1B1kP3/8/K7/8 w - - 0 1)

Locock, Charles Dealtry

Birmingham Post, 1896

8/7B/4p2Q/1p1pR1N1/1B1kP3/8/K7/8

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Sf3#
  • Tries
    • 1.Qh3?
      • threat
        • 2.Qc3#
      • 1...Kc4
        • 2.Qc3#
      • 1...Kxe5!
  • Keys
    • 1.Qh4!
      • 1...Kd3
        • 2.exd5#
      • 1...Ke3
        • 2.exd5#
      • 1...Kc4
        • 2.exd5#
      • 1...Kxe5
        • 2.Sf3#
      • 1...dxe4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XR(D)::S(E)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
  • Actual
    • Q(F);
    • Vars
      • K(a);P-FLIGHT::B(G)+P(C),XP(c)
      • K(a);S_FLIGHT::R(D)+P(C),XP(c)
      • K(a);P-FLIGHT::QAR(F)+P(C),XP(c)
      • K(a);S_FLIGHT,XR(D)::S(E)
      • P(c);OGATE,P_SPINP(c),XP(C)::QAR1(F),XP(c)
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