MESON Chess Problem Database

Problem Display
PID: 248220 (2k5/2P5/1PP2p2/4r3/5P2/4R1BK/8/8 w - - 0 1)

von Bilow, Ludwig Immanuel

La Palamede, 1865

2k5/2P5/1PP2p2/4r3/5P2/4R1BK/8/8

#2

7 + 3

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Re8#
    • 1...Rb5
      • 2.Re8#
    • 1...Rc5
      • 2.Re8#
    • 1...Rf5
      • 2.Re8#
    • 1...Rg5
      • 2.Re8#
    • 1...Re8
      • 2.Rxe8#
  • Keys
    • 1.f5!
      • 1...Rxe3
        • 2.b7#
      • 1...Rxf5
        • 2.Re8#
        • 2.b7#
      • 1...Re4
        • 2.b7#
      • 1...Ra5
        • 2.Re8#
        • 2.b7#
      • 1...Rb5
        • 2.Re8#
      • 1...Rc5
        • 2.Re8#
        • 2.b7#
      • 1...Rd5
        • 2.b7#
      • 1...Re6
        • 2.b7#
      • 1...Re7
        • 2.b7#
      • 1...Re8
        • 2.Rxe8#
        • 2.b7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 5
  • Sets
    • R(a);OGATE::R(A)
    • R(a);OGATE::R(A),XR(a)
  • Actual
    • P(D);
    • Vars
      • R(a);P_PINB(B),XR(A)::P(E)
      • R(a);::P(E)
      • R(a);OGATE::R(A)
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