MESON Chess Problem Database

Problem Display
PID: 275908 (8/8/Q6K/B2Pk3/8/8/5PB1/8 w - - 0 1)

Boyadzhiev, B

Phenix, 2002

8/8/Q6K/B2Pk3/8/8/5PB1/8

#2

6 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Bd2?
      • 1...Kf5
        • 2.Qe6#
      • 1...Kd4!
    • 1.Bc7+?
      • 1...Kf5
        • 2.Qe6#
        • 2.Qg6#
      • 1...Kd4!
    • 1.Qe6+?
      • 1...Kf4
        • 2.Bd2#
        • 2.Bc7#
        • 2.Qe4#
      • 1...Kd4!
    • 1.Qg6?
      • 1...Kf4
        • 2.Bc7#
        • 2.Qe4#
        • 2.Qg5#
      • 1...Kd4!
  • Keys
    • 1.Qc8!
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Bc7#
      • 1...Kd6
        • 2.Qc7#
      • 1...Kf6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);N_GUARD,P-FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(E)
      • K(a);N_GUARD,S_FLIGHT::B(C)
      • K(a);N_GUARD,S_FLIGHT::QAR1(E)
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