MESON Chess Problem Database

Problem Display
PID: 12250 (5B2/1B1kP3/5p2/K7/5Q2/8/8/8 w - - 0 1)

Marandiuk, Mikhail Nazarovich

1/2 Prize, Zvezda, 1976

5B2/1B1kP3/5p2/K7/5Q2/8/8/8

#2

5 + 2

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.e8Q#
  • Tries
    • 1.Bd5?
      • 1...Kc8
        • 2.e8Q#
      • 1...Ke8
        • 2.Qa4#
      • 1...f5!
    • 1.Bc6+?
      • 1...Ke6
        • 2.e8Q#
      • 1...Kc8
        • 2.e8Q#
        • 2.e8R#
      • 1...Kxc6!
    • 1.Qxf6?
      • threat
        • 2.Qc6#
      • 1...Ke8
        • 2.Bc6#
      • 1...Kc7!
    • 1.e8B+?
      • 1...Ke6
        • 2.Qe4#
      • 1...Kd8
        • 2.Qb8#
      • 1...Kxe8!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qc6#
      • 1...Kd6
        • 2.e8Q#
      • 1...Ke8
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::P=Q
  • Tries
    • Try
      • B(C);
      • Vars
        • K(b);S_FLIGHT::P=Q
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • P(a);
    • Try
      • B(C);CHECK
      • Vars
        • K(b);S_FLIGHT::P=Q
      • Refutation
        • K(b);S_FLIGHT,XB(C)
    • Try
      • Q(A);XP(a)
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::B(C)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(D);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(A)
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • K(b);S_FLIGHT,XB(D)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);P-FLIGHT::P=Q
      • K(b);S_FLIGHT::B(C)
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