MESON Chess Problem Database

Problem Display
PID: 2735 (2R4B/8/B3k3/5N2/2R5/1N5K/8/8 w - - 0 1)

Thursby, John Ormerod Scarlett

Source?, 0000

2R4B/8/B3k3/5N2/2R5/1N5K/8/8

#2

7 + 1

3357 75 Chess Problems 1883

SOLUTION

  • SOUND
  • Sets
    • 1...Kd7
      • 2.Sc5#
  • Tries
    • 1.Sbd4+?
      • 1...Kd5
        • 2.Bb7#
      • 1...Kd7
        • 2.Bb5#
        • 2.R4c7#
      • 1...Kf7!
    • 1.Rf4?
      • 1...Kd5
        • 2.Bc4#
      • 1...Kd7
        • 2.Sc5#
      • 1...Kf7!
    • 1.Rf8?
      • 1...Kd7
        • 2.Bc8#
      • 1...Kd5!
  • Keys
    • 1.Rg4!
      • 1...Kd5
        • 2.Bc4#
      • 1...Kxf5
        • 2.Sd4#
      • 1...Kd7
        • 2.Sc5#
      • 1...Kf7
        • 2.Bc4#

FEATURES

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