MESON Chess Problem Database

Problem Display
PID: 79335 (8/6K1/3kP3/Q7/3N4/2P5/5B2/8 w - - 0 1)

Asaulenko, Ivan

Problemist Pribuzhya, 1991

8/6K1/3kP3/Q7/3N4/2P5/5B2/8

#2

6 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Qb5?
      • 1...Ke7
        • 2.Qd7#
      • 1...Kc7!
    • 1.Qf5?
      • 1...Ke7
        • 2.Qf8#
      • 1...Kc7!
    • 1.e7?
      • 1...Kd7
        • 2.Qd8#
      • 1...Kxe7!
  • Keys
    • 1.Qa8!
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke5
        • 2.Bg3#
      • 1...Kc7
        • 2.Sb5#
      • 1...Ke7
        • 2.Qf8#

FEATURES

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