MESON Chess Problem Database

Problem Display
PID: 39348 (2K5/1R6/4p3/k7/p7/3R4/6B1/8 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

2K5/1R6/4p3/k7/p7/3R4/6B1/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...a3
      • 2.Rxa3#
  • Tries
    • 1.Ra3?
      • 1...Ka6
        • 2.Rxa4#
      • 1...e5!
    • 1.Rd5+?
      • 1...Ka6
        • 2.Bf1#
      • 1...exd5!
  • Keys
    • 1.Bf1!
      • 1...Ka6
        • 2.Rd5#
      • 1...a3
        • 2.Rxa3#
      • 1...e5
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::R(B),XP(a)
  • Tries
    • Try
      • R(B);P_PINP(a)
      • Vars
        • K(b);P-FLIGHT::R(B),XP(a)
      • Refutation
        • P(c);
    • Try
      • R(B);CHECK
      • Vars
        • K(b);P-FLIGHT::B(A)
      • Refutation
        • P(c);XR(B)
  • Actual
    • B(A);
    • Vars
      • K(b);P-FLIGHT::B(A)+R(B)
      • P(a);OGATEB::R(B),XP(a)
      • P(c);N_GUARD::R(B)
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