MESON Chess Problem Database

Problem Display
PID: 28686 (3B4/8/8/R5R1/5K2/2k5/1N6/3B4 w - - 0 1)

Anstey, Charles Thomas T

Checkmate, 1904

3B4/8/8/R5R1/5K2/2k5/1N6/3B4

#2

6 + 1

3248 Miniatures canadiennes 2000
5454 Near Snap 2020
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Bf6#
  • Tries
    • 1.Bf6+?
      • 1...Kb4
        • 2.Ra4#
        • 2.Rgb5#
      • 1...Kd2!
    • 1.Ra2?
      • 1...Kb4
        • 2.Ba5#
      • 1...Kd4
        • 2.Bf6#
      • 1...Kd2!
    • 1.Rab5?
      • 1...Kd4
        • 2.Bf6#
      • 1...Kd2!
    • 1.Rg2?
      • 1...Kd4
        • 2.Bf6#
      • 1...Kb4!
    • 1.Rgb5?
      • 1...Kd4
        • 2.Bf6#
      • 1...Kd2!
  • Keys
    • 1.Ra1!
      • 1...Kxb2
        • 2.Bf6#
      • 1...Kd2
        • 2.Ba5#
      • 1...Kb4
        • 2.Ba5#
      • 1...Kd4
        • 2.Bf6#

Anticipated by 207201(1868), 214564(1880)

This anticipates 198768(1921), 207467(1995)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(F)
  • Tries
    • Try
      • B(F);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);S_FLIGHT::B(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(a);S_FLIGHT,XS(B)::B(F)
      • K(a);S_FLIGHT::B(F)
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