MESON Chess Problem Database

Problem Display
PID: 81259 (n1Q5/8/5K2/3k4/8/3P4/1B3P2/8 w - - 0 1)

Azhusin, Aleksandr Aleksandrovich

Prapor peremogi, 1972

n1Q5/8/5K2/3k4/8/3P4/1B3P2/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Bd4?
      • threat
        • 2.Qd7#
        • 2.Qc5#
      • 1...Kxd4
        • 2.Qc4#
      • 1...Sc7
        • 2.Qd7#
      • 1...Sb6
        • 2.Qc5#
      • 1...Kd6!
    • 1.Qb7+?
      • 1...Kd6
        • 2.Ba3#
      • 1...Kc5!
  • Keys
    • 1.Ba3!
      • threat
        • 2.Qd7#
        • 2.Qc4#
        • 2.Qc5#
      • 1...Kd4
        • 2.Qc4#
      • 1...Sc7
        • 2.Qd7#
      • 1...Sb6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT,XB(A)::QAR1(E)
        • S(b);::QAR2(E)
        • S(b);::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);P-FLIGHT::B(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(A);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);P-FLIGHT::QAR1(E)
      • S(b);::QAR2(E)
      • S(b);::QAR1(E)
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