MESON Chess Problem Database

Problem Display
PID: 2382 (5B2/8/7p/4K1k1/8/7Q/8/8 w - - 0 1)

Gruber, Bratoljub

Politika Express, 1966

5B2/8/7p/4K1k1/8/7Q/8/8

#2

3 + 2

273 Mat Plus 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Kg6
      • 2.Qf5#
    • 1...h5
      • 2.Qg3#
  • Tries
    • 1.Ke4?
      • 1...Kf6
        • 2.Qf5#
      • 1...Kg6
        • 2.Qf5#
      • 1...h5!
    • 1.Ke6?
      • 1...Kg6
        • 2.Qf5#
        • 2.Qxh6#
      • 1...h5
        • 2.Qg3#
      • 1...Kf4!
    • 1.Bg7?
      • 1...h5
        • 2.Qg3#
      • 1...Kg6!
  • Keys
    • 1.Qf3!
      • 1...Kh4
        • 2.Be7#
      • 1...Kg6
        • 2.Qf5#
      • 1...h5
        • 2.Qg3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAB1(A)
    • P(b);SBLOCK::QAR2(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • P(b);
    • Try
      • K(B);P-FLIGHT
      • Vars
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • K(a);P-FLIGHT::QAB1(A)
      • P(b);SBLOCK::QAR2(A)
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