MESON Chess Problem Database

Problem Display
PID: 208145 (4R3/8/1N2P3/4k3/4B2K/1P6/4R3/4B3 w - - 0 1)

Townsend, Alonzo

Dubuque Chess Journal, 1875

4R3/8/1N2P3/4k3/4B2K/1P6/4R3/4B3

#2

8 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Bg3#
    • 1...Kf6
      • 2.Bc3#
  • Tries
    • 1.Sc4+?
      • 1...Kf4
        • 2.Bd2#
        • 2.Bg3#
        • 2.Rf8#
      • 1...Kf6
        • 2.Bc3#
      • 1...Kd4!
    • 1.Sd7+?
      • 1...Kf4
        • 2.Bd2#
        • 2.Bg3#
        • 2.Rf8#
      • 1...Kd6
        • 2.Bg3#
      • 1...Kd4!
    • 1.Sc8?
      • 1...Kf4
        • 2.Bg3#
      • 1...Kf6
        • 2.Bc3#
      • 1...Kd4!
    • 1.Bf2?
      • 1...Kf4
        • 2.Bg3#
      • 1...Kf6
        • 2.Bd4#
      • 1...Kd6!
    • 1.Bc3+?
      • 1...Kf4
        • 2.Sd5#
        • 2.Rf8#
      • 1...Kd6!
    • 1.Bb4?
      • 1...Kf4
        • 2.Bd6#
      • 1...Kf6
        • 2.Bc3#
      • 1...Kd4!
    • 1.b4?
      • 1...Kf4
        • 2.Bg3#
      • 1...Kd6
        • 2.Bg3#
      • 1...Kf6
        • 2.Bc3#
      • 1...Kd4!
  • Keys
    • 1.Sa4!
      • 1...Kd4
        • 2.Bc3#
      • 1...Kf4
        • 2.Bg3#
      • 1...Kd6
        • 2.Bg3#
      • 1...Kf6
        • 2.Bc3#

FEATURES

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