MESON Chess Problem Database

Problem Display
PID: 27423 (1Q6/K2kp3/1Bp5/2P1p3/4p3/8/8/4R3 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

1Q6/K2kp3/1Bp5/2P1p3/4p3/8/8/4R3

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...e6
      • 2.Qd8#
  • Tries
    • 1.Kb7?
      • threat
        • 2.Qc8#
      • 1...e6
        • 2.Qd8#
      • 1...Ke6!
    • 1.Re3?
      • 1...e6
        • 2.Qd8#
      • 1...Ke6!
    • 1.Rxe4?
      • 1...e6
        • 2.Qd8#
      • 1...Ke6!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Rd1#
      • 1...e6
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::QAR1(E)
  • Tries
    • Try
      • K(D);P-FLIGHT
      • Threat
        • QAB1(E)
      • Vars
        • P(e);SBLOCK::QAR1(E)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • P(e);SBLOCK::QAR1(E)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(A);XP(a)
      • Vars
        • P(e);SBLOCK::QAR1(E)
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • R(A)
    • Vars
      • P(e);SBLOCK::QAR1(E)
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