MESON Chess Problem Database

Problem Display
PID: 67766 (8/4K1p1/4R3/7k/7B/8/5N2/3R4 w - - 0 1)

Lincoln, Robert A

StrateGems, 2006

8/4K1p1/4R3/7k/7B/8/5N2/3R4

#2

5 + 2

145 StrateGems 2008

SOLUTION

  • SOUND
  • Tries
    • 1.Bg3?
      • 1...Kg5
        • 2.Rd5#
      • 1...g5
        • 2.Rh1#
      • 1...g6!
    • 1.Rg6?
      • 1...Kxh4
        • 2.Rh1#
      • 1...Kxg6!
  • Keys
    • 1.Rh1!
      • 1...g6
        • 2.Bf6#
      • 1...g5
        • 2.Bg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::R(A)
        • P(b);SBLOCK::R(A)
      • Refutation
        • P(b);
    • Try
      • R(D);
      • Vars
        • K(a);OGATEB,P-FLIGHT,XB(C)::R(A)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
  • Actual
    • R(A);
    • Vars
      • P(b);SBLOCK::R(A)+B(C)
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