MESON Chess Problem Database

Problem Display
PID: 81043 (8/1k1P4/1B6/8/8/5R2/8/1R2KB2 w - - 0 1)

Amirov, Talip Khasanovich

Politika Express, 1965

8/1k1P4/1B6/8/8/5R2/8/1R2KB2

#2

6 + 1

10829 Feledvanykedvelok Lapja 1972

SOLUTION

  • SOUND
  • Tries
    • 1.Bd8+?
      • 1...Ka7
        • 2.Ra3#
      • 1...Ka8
        • 2.Ra3#
      • 1...Kc6!
    • 1.Ra3?
      • 1...Kb8
        • 2.Bd8#
      • 1...Kc6!
    • 1.Rf7?
      • 1...Ka8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kb8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kc6!
  • Keys
    • 1.Bg2!
      • 1...Ka6
        • 2.Ra3#
      • 1...Kc6
        • 2.Rd3#
      • 1...Ka8
        • 2.Rf8#
      • 1...Kb8
        • 2.Rf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(a);P-FLIGHT::R(D)
        • K(a);S_FLIGHT::R(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);P-FLIGHT::R(A)+B(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::P=Q
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::R(D)
      • K(a);S_FLIGHT::B(C)+R(D)
      • K(a);S_FLIGHT::B(C)+R(D),DCHECK
      • K(a);P-FLIGHT::R(D)
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