MESON Chess Problem Database

Problem Display
PID: 109479 (1K6/1N6/8/Pk6/4P3/4P3/8/2Q5 w - - 0 1)

Svoboda, Rudolf

Sachova skladba, 1986

1K6/1N6/8/Pk6/4P3/4P3/8/2Q5

#2

6 + 1

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ka6
      • 2.Qf1#
      • 2.Qc4#
      • 2.Qc6#
  • Tries
    • 1.Qc2?
      • 1...Ka6
        • 2.Qd3#
        • 2.Qe2#
        • 2.Qc4#
        • 2.Qc6#
      • 1...Kb4!
    • 1.Qc3?
      • 1...Ka6
        • 2.Qd3#
        • 2.Qc4#
        • 2.Qc6#
      • 1...Ka4!
    • 1.Qc5+?
      • 1...Ka6
        • 2.Qb6#
        • 2.Qc4#
        • 2.Qc6#
      • 1...Ka4!
  • Keys
    • 1.Qa3!
      • 1...Kc4
        • 2.Sd6#
      • 1...Ka6
        • 2.Qd3#
      • 1...Kc6
        • 2.Qa4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT::QAB(A)
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