MESON Chess Problem Database

Problem Display
PID: 46446 (4k2r/7p/4KB2/8/8/8/6R1/2n5 w k - 0 1)

Lincoln, Robert A

Still More Fun with Chess Miniatures, 2002

4k2r/7p/4KB2/8/8/8/6R1/2n5

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Rg8
      • 2.Rxg8#
  • Tries
    • 1.Ra2?
      • threat
        • 2.Ra8#
      • 1...Kf8
        • 2.Ra8#
      • 1...0-0
        • 2.Rg2#
      • 1...Sxa2!
    • 1.Rb2?
      • threat
        • 2.Rb8#
      • 1...Kf8
        • 2.Rb8#
      • 1...0-0
        • 2.Rg2#
      • 1...Sb3!
    • 1.Rd2?
      • threat
        • 2.Rd8#
      • 1...Kf8
        • 2.Rd8#
      • 1...0-0
        • 2.Rg2#
      • 1...Sd3!
  • Keys
    • 1.Rc2!
      • threat
        • 2.Rc8#
      • 1...Kf8
        • 2.Rc8#
      • 1...0-0
        • 2.Rg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD::R(A),XR(d)
  • Tries
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(c);P-FLIGHT::R(A)
        • K(c);0-0,OGATEB::R(A)
      • Refutation
        • S(a);XR(A)
    • Try
      • R(A);
      • Threat
        • R(A)
      • Vars
        • K(c);P-FLIGHT::R(A)
        • K(c);0-0,OGATEB::R(A)
      • Refutation
        • S(a);
    • Try
      • R(A);
      • Threat
        • R1(A)
      • Vars
        • K(c);P-FLIGHT::R(A)
        • K(c);0-0,OGATEB::R(A)
      • Refutation
        • S(a);
  • Actual
    • R(A);
    • Threat
      • R(A)
    • Vars
      • K(c);P-FLIGHT::R(A)
      • K(c);0-0,OGATEB::R(A)
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