MESON Chess Problem Database

Problem Display
PID: 11557 (8/8/8/8/K7/3B4/4Q3/k7 w - - 0 1)

Kaiser, Gerhard

Jung-Roland-Ratsel, 1939

8/8/8/8/K7/3B4/4Q3/k7

#2

3 + 1

4349 Kleinste Schachaufgaben Drei- und Viersteiner 1970
2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Tries
    • 1.Qd1+?
      • 1...Ka2
        • 2.Qb1#
      • 1...Kb2!
    • 1.Qf1+?
      • 1...Ka2
        • 2.Qb1#
      • 1...Kb2!
    • 1.Qe1+?
      • 1...Ka2
        • 2.Qb1#
      • 1...Kb2!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qa3#
      • 1...Ka2
        • 2.Qa3#
      • 1...Kb2
        • 2.Qa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(a);P-FLIGHT::QAR1(A)
      • K(a);S_FLIGHT::QAB1(A)
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