MESON Chess Problem Database

Problem Display
PID: 229375 (4N3/8/7B/5P2/KN1k4/3P4/8/1B4R1 w - - 0 1)

Prideaux, Henry Maxwell

English Mechanic and World of Science, 1878

(First published on Fri Dec 6 1878)

4N3/8/7B/5P2/KN1k4/3P4/8/1B4R1

#2

8 + 1

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Be3#
  • Tries
    • 1.Bd2?
      • 1...Kc5
        • 2.Be3#
      • 1...Ke5!
    • 1.Bf4?
      • 1...Kc5
        • 2.Be3#
      • 1...Kc3!
    • 1.Re1?
      • 1...Kc5
        • 2.Be3#
      • 1...Kc3!
    • 1.Rf1?
      • 1...Kc5
        • 2.Be3#
      • 1...Ke5
        • 2.Bg7#
      • 1...Kc3!
    • 1.Rg2?
      • 1...Kc3
        • 2.Bg7#
      • 1...Kc5
        • 2.Be3#
      • 1...Ke5!
    • 1.Rg4+?
      • 1...Kc5
        • 2.Be3#
      • 1...Ke5
        • 2.d4#
      • 1...Kc3!
  • Keys
    • 1.Rd1!
      • 1...Kc3
        • 2.Bg7#
      • 1...Kc5
        • 2.Be3#
      • 1...Ke5
        • 2.d4#

FEATURES

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