MESON Chess Problem Database

Problem Display
PID: 81439 (B3Q3/1N6/1k6/8/1P6/3K4/8/8 w - - 0 1)

Apro, Laszlo

Sakkelet, 1989

B3Q3/1N6/1k6/8/1P6/3K4/8/8

#2

5 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.b5?
      • 1...Kc7
        • 2.Qd8#
      • 1...Ka7!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Sc5#
      • 1...Kb5
        • 2.Sc5#
      • 1...Ka6
        • 2.Sc5#
      • 1...Kc6
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(B);
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAR(E)+S(C)
    • Vars
      • K(a);P-FLIGHT::QAR(E)+S(C)
      • K(a);P-FLIGHT::S(C)
      • K(a);P-FLIGHT::B(D)+S(C)
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