MESON Chess Problem Database

Problem Display
PID: 47252 (8/8/8/5k1B/8/4K3/1B2R3/4Q2R w - - 0 1)

Froberg, Johan Hilding Laurentius

Tidskrift for Schack, 1968

8/8/8/5k1B/8/4K3/1B2R3/4Q2R

#2

6 + 1

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Bg7?
      • 1...Kg5
        • 2.Qa5#
      • 1...Ke6!
    • 1.Rd2?
      • 1...Ke6
        • 2.Kf4#
      • 1...Kg5!
    • 1.Qf2+?
      • 1...Kg5
        • 2.Qf4#
        • 2.Qf6#
      • 1...Ke6!
    • 1.Qc3?
      • threat
        • 2.Qe5#
        • 2.Qf6#
      • 1...Kg5
        • 2.Qf6#
      • 1...Ke6!
    • 1.Qb4?
      • threat
        • 2.Qg4#
      • 1...Kg5
        • 2.Qf4#
      • 1...Ke6!
    • 1.Qb1+?
      • 1...Kg5
        • 2.Qg6#
      • 1...Ke6!
    • 1.Qc1?
      • 1...Kg5
        • 2.Ke4#
      • 1...Ke6!
    • 1.Qd1?
      • threat
        • 2.Qd5#
      • 1...Ke6
        • 2.Kf4#
      • 1...Kg5!
    • 1.Qf1+?
      • 1...Kg5
        • 2.Qf4#
        • 2.Qf6#
      • 1...Ke6!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qd5#
      • 1...Kg5
        • 2.Ke4#
      • 1...Ke6
        • 2.Kf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::QAR(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::QAR(A)+K(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAB(A)+K(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • K(a);S_FLIGHT::R(D)+K(E)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(a);P-FLIGHT::QAB(A)+K(E)
      • K(a);S_FLIGHT::R(D)+K(E)
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