MESON Chess Problem Database

Problem Display
PID: 120969 (4k2r/5p1p/5B1p/8/8/8/8/R3K3 w Qk - 0 1)

Stubbs, Charles Francis

Checkmate, 1904

4k2r/5p1p/5B1p/8/8/8/8/R3K3

#2

3 + 5

6490 yacpdb 2009
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Ra8#
  • Tries
    • 1.Rd1?
      • threat
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#
      • 1...0-0!
  • Keys
    • 1.0-0-0!
      • threat
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#
      • 1...0-0
        • 2.Rg1#

This anticipates 72578(1936)

There are these versions: 184883

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(d);P-FLIGHT::R(A)
  • Tries
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • K(d);P-FLIGHT::R(A)
      • Refutation
        • K(d);0-0
  • Actual
    • K(B);0-0-0
    • Threat
      • R1(A)
    • Vars
      • K(d);P-FLIGHT::R(A)
      • K(d);0-0,OGATEB::R(A)
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