MESON Chess Problem Database

Problem Display
PID: 231074 (6k1/8/6K1/8/8/8/8/6R1 w - - 0 1)

Dawson, Thomas Rayner

Asymmetry, 1927

6k1/8/6K1/8/8/8/8/6R1

#2

2 + 1

5454 Near Snap 2021
6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Ra1?
      • threat
        • 2.Ra8#
      • 1...Kh8
        • 2.Ra8#
      • 1...Kf8!
    • 1.Rb1?
      • threat
        • 2.Rb8#
      • 1...Kh8
        • 2.Rb8#
      • 1...Kf8!
    • 1.Rc1?
      • threat
        • 2.Rc8#
      • 1...Kh8
        • 2.Rc8#
      • 1...Kf8!
    • 1.Rd1?
      • threat
        • 2.Rd8#
      • 1...Kh8
        • 2.Rd8#
      • 1...Kf8!
    • 1.Re1?
      • threat
        • 2.Re8#
      • 1...Kh8
        • 2.Re8#
      • 1...Kf8!
  • Keys
    • 1.Rf1!
      • 1...Kh8
        • 2.Rf8#

Anticipated by 138400(1883)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(a);P-FLIGHT::R(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(a);P-FLIGHT::R(A)
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