MESON Chess Problem Database

Problem Display
PID: 85846 (2R5/4B3/1N6/K7/3k4/8/2P2R2/8 w - - 0 1)

Speckmann, Werner

Deutsche Schachzeitung, 1979

2R5/4B3/1N6/K7/3k4/8/2P2R2/8

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bc5+?
      • 1...Ke4
        • 2.Re8#
      • 1...Ke5
        • 2.Re8#
      • 1...Kc3!
    • 1.Bf6+?
      • 1...Ke4
        • 2.Re8#
      • 1...Ke3!
    • 1.Rc4+?
      • 1...Ke3
        • 2.Bc5#
      • 1...Ke5!
  • Keys
    • 1.Re8!
      • 1...Kc3
        • 2.Bf6#
      • 1...Ke3
        • 2.Bc5#
      • 1...Ke4
        • 2.Bc5#
        • 2.Bf6#
      • 1...Ke5
        • 2.Bc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(F)
        • K(a);S_FLIGHT::R(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(a);S_FLIGHT::B(E)
      • K(a);S_FLIGHT::R(F)+B(E),DCHECK
      • K(a);S_FLIGHT::R(F)+B(E)
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