MESON Chess Problem Database

Problem Display
PID: 15656 (8/7p/1B6/8/4k2K/1B6/Q3N3/8 w - - 0 1)

Chepizhni, Viktor Ivanovich

Smena, 1986

8/7p/1B6/8/4k2K/1B6/Q3N3/8

#2

5 + 2

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qc2#
    • 1...Kf3
      • 2.Bd5#
  • Tries
    • 1.Be6?
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Bf5#
      • 1...Kf3
        • 2.Bd5#
      • 1...Ke5!
    • 1.Bf7?
      • threat
        • 2.Qd5#
      • 1...Kf3
        • 2.Bd5#
      • 1...Ke5
        • 2.Qe6#
      • 1...Kf5
        • 2.Qe6#
      • 1...Kd3!
    • 1.Qc2+?
      • 1...Kf3
        • 2.Bd5#
      • 1...Ke5!
    • 1.Qd2?
      • threat
        • 2.Qd5#
      • 1...Kf3
        • 2.Bd5#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kf5!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Qd5#
      • 1...Kd3
        • 2.Bxh7#
      • 1...Kf3
        • 2.Bd5#
      • 1...Ke5
        • 2.Qe6#
      • 1...Kf5
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(A)
    • K(a);S_FLIGHT::B(C)
  • Tries
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::B(C)
        • K(a);P-FLIGHT::QAR1(A)
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::B(C)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::B(C),XP(b)
      • K(a);S_FLIGHT::B(C)
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
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