MESON Chess Problem Database

Problem Display
PID: 176201 (6R1/3KP1P1/5k2/8/8/3BB3/8/8 w - - 0 1)

Thoma, Andreas

Schach-Echo, 1981

6R1/3KP1P1/5k2/8/8/3BB3/8/8

#2

6 + 1

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Bd4+?
      • 1...Kf7
        • 2.Rf8#
        • 2.e8Q#
      • 1...Kg5!
    • 1.Bh6?
      • 1...Kf7
        • 2.Rf8#
      • 1...Ke5!
    • 1.Rf8+?
      • 1...Ke5
        • 2.Rf5#
      • 1...Kxg7!
    • 1.e8S+?
      • 1...Kf7
        • 2.Rf8#
      • 1...Ke5!
  • Keys
    • 1.e8R!
      • 1...Kf7
        • 2.Ref8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);P-FLIGHT::R1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(F);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::R1(F)
      • Refutation
        • K(a);S_FLIGHT,XP(E)
    • Try
      • P(D);CHECK
      • Vars
        • K(a);P-FLIGHT::R1(F)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(D);
    • Vars
      • K(a);P-FLIGHT::R1(D)
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