MESON Chess Problem Database

Problem Display
PID: 222911 (4K3/8/5Q2/3k4/N7/8/3N4/8 w - - 0 1)

Svoboda, Rudolf

Funkschach, 1926

4K3/8/5Q2/3k4/N7/8/3N4/8

#2

4 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qf5+?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kc6
        • 2.Qd7#
      • 1...Kd6!
    • 1.Qe6+?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxe6!
    • 1.Qg6?
      • 1...Kd4
        • 2.Qe4#
      • 1...Ke5!
  • Keys
    • 1.Qe7!
      • 1...Kd4
        • 2.Qe4#
      • 1...Kc6
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
        • K(a);S_FLIGHT::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(C)
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);S_FLIGHT::QAB1(C)
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