MESON Chess Problem Database

Problem Display
PID: 258515 (8/1p6/1K4p1/2N1k3/4PR1B/7N/3PB3/8 w - - 0 1)

Nield, Joshua

English Mechanic and World of Science, 1893

(First published on Fri Aug 25 1893)

8/1p6/1K4p1/2N1k3/4PR1B/7N/3PB3/8

#2

8 + 3

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bf6#
  • Tries
    • 1.Bg5?
      • 1...Kd4
        • 2.Bf6#
      • 1...Kd6!
    • 1.Be7?
      • 1...Kd4
        • 2.Bf6#
      • 1...g5!
    • 1.Rf5+?
      • 1...Kd4
        • 2.Bf2#
        • 2.Bf6#
        • 2.Rd5#
      • 1...Kd6
        • 2.Rd5#
      • 1...gxf5!
    • 1.Rf7?
      • 1...Kd4
        • 2.Bf6#
      • 1...Kd6
        • 2.Bg3#
      • 1...g5!
  • Keys
    • 1.Sg5!
      • 1...Kd4
        • 2.Sf3#
      • 1...Kxf4
        • 2.Sd3#
      • 1...Kd6
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::B(F)
  • Tries
    • Try
      • B(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(b);
    • Try
      • R(E);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::R1(E)
      • Refutation
        • P(b);XR(E)
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::B(F)
      • Refutation
        • P(b);
  • Actual
    • S(C);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::S(C)
      • K(a);N_GUARD,S_FLIGHT,XR(E)::S(G)
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