MESON Chess Problem Database

Problem Display
PID: 223347 (3Q4/8/8/Nk6/8/2K5/1N6/8 w - - 0 1)

Svoboda, Rudolf

Funkschach, 1926

3Q4/8/8/Nk6/8/2K5/1N6/8

#2

4 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sa4?
      • 1...Ka6
        • 2.Qb6#
      • 1...Kxa4!
    • 1.Qf6?
      • 1...Kc5
        • 2.Qc6#
      • 1...Kxa5!
    • 1.Qa8?
      • 1...Kc5
        • 2.Qc6#
      • 1...Kb6!
  • Keys
    • 1.Sbc4!
      • 1...Ka4
        • 2.Qd7#
        • 2.Qe8#
      • 1...Kc5
        • 2.Qg5#
      • 1...Ka6
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(D)
      • Refutation
        • K(a);S_FLIGHT,XS(A)
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT,XS(C)
    • Try
      • Q(D);
      • Vars
        • K(a);P-FLIGHT::QAR1(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(A);
    • Vars
      • K(a);P-FLIGHT::QAR(D)
      • K(a);S_FLIGHT::QAR1(D)
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