MESON Chess Problem Database

Problem Display
PID: 4753 (4R3/8/8/5p1p/5Kbk/8/6P1/8 w - - 0 1)

Lopez, Manuel

Dubuque Chess Journal, 1890

4R3/8/8/5p1p/5Kbk/8/6P1/8

#2

3 + 4

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.g3#
  • Tries
    • 1.Re3?
      • 1...Bd1
        • 2.Rh3#
      • 1...Be2
        • 2.Rh3#
      • 1...Bh3
        • 2.Rxh3#
        • 2.g3#
      • 1...Bf3!
  • Keys
    • 1.Re1!
      • 1...Bd1
        • 2.Rh1#
      • 1...Be2
        • 2.Rh1#
      • 1...Bf3
        • 2.Rh1#
      • 1...Bh3
        • 2.g3#

This anticipates 141648(1987), 234786(2016)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::P(A)
  • Tries
    • Try
      • R(C);
      • Vars
        • B(a);N_GUARD::R1(C)
      • Refutation
        • B(a);
  • Actual
    • R(C);
    • Vars
      • B(a);N_GUARD::R(C)
      • B(a);SBLOCK::P(A)
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