MESON Chess Problem Database

Problem Display
PID: 6772 (8/K7/1Bk5/5Q2/1n3N2/8/8/8 w - - 0 1)

Lindner, Laszlo

Magyar Sakkvilag, 1933

8/K7/1Bk5/5Q2/1n3N2/8/8/8

#2

4 + 2

273 Mat Plus 1995
4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qe6#
    • 1...Sa2
      • 2.Qd5#
    • 1...Sc2
      • 2.Qd5#
    • 1...Sd3
      • 2.Qd5#
    • 1...Sd5
      • 2.Qxd5#
    • 1...Sa6
      • 2.Qd5#
  • Tries
    • 1.Ba5?
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sa2
        • 2.Qd5#
      • 1...Sc2
        • 2.Qd5#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sa6
        • 2.Qd5#
      • 1...Kd6!
    • 1.Bd8?
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sa2
        • 2.Qd5#
      • 1...Sc2
        • 2.Qd5#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sa6
        • 2.Qd5#
      • 1...Kd6!
    • 1.Qd3?
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sa2
        • 2.Qd5#
      • 1...Sc2
        • 2.Qd5#
      • 1...Sa6
        • 2.Qd5#
      • 1...Sxd3!
    • 1.Qe4+?
      • 1...Kd6
        • 2.Qe6#
      • 1...Kd7
        • 2.Qe6#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Kb5!
    • 1.Qg6+?
      • 1...Kd7
        • 2.Qe6#
      • 1...Kb5!
    • 1.Qc8+?
      • 1...Kd6
        • 2.Qe6#
        • 2.Qc7#
      • 1...Kb5!
    • 1.Qf6+?
      • 1...Kd7
        • 2.Qe6#
      • 1...Kb5!
    • 1.Qf7?
      • 1...Kd6
        • 2.Qe6#
        • 2.Qc7#
      • 1...Sa2
        • 2.Qd5#
      • 1...Sc2
        • 2.Qd5#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sa6
        • 2.Qd5#
      • 1...Kb5!
  • Keys
    • 1.Qe5!
      • 1...Kd7
        • 2.Qe6#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sa2
        • 2.Qd5#
      • 1...Sc2
        • 2.Qd5#
      • 1...Sd3
        • 2.Qd5#
      • 1...Sa6
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);P-FLIGHT::QAR1(B)
    • S(a);N_GUARD::QAB1(B)
    • S(a);N_GUARD::QAB1(B),XS(a)
  • Tries
    • Try
      • B(C);
      • Vars
        • S(a);N_GUARD::QAB1(B),XS(a)
        • S(a);N_GUARD::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • S(a);N_GUARD::QAB1(B),XS(a)
        • S(a);N_GUARD::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);
      • Vars
        • S(a);N_GUARD::QAB1(B),XS(a)
        • S(a);N_GUARD::QAB1(B)
      • Refutation
        • S(a);XQ(B)
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(B)
        • K(b);S_FLIGHT::QAB1(B)
        • S(a);N_GUARD,P_SPINS(a)::QAB1(B),XS(a)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • S(a);N_GUARD::QAB1(B)
        • S(a);N_GUARD::QAB1(B),XS(a)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(b);S_FLIGHT::QAB1(B)
      • S(a);N_GUARD::QAB1(B),XS(a)
      • S(a);N_GUARD::QAB1(B)
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