MESON Chess Problem Database

Problem Display
PID: 146720 (8/1p3R2/8/3kP3/3P4/8/4N1K1/B4Q2 w - - 0 1)

Inglis, DG

Southern Argus, 1883

8/1p3R2/8/3kP3/3P4/8/4N1K1/B4Q2

#2

7 + 2

1085 Australian Chess Problem Magazine 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qf3#
  • Tries
    • 1.Sc3+?
      • 1...Kc6
        • 2.Qb5#
        • 2.Qf6#
      • 1...Ke6
        • 2.Qc4#
        • 2.Qf5#
        • 2.Qf6#
      • 1...Kxd4!
    • 1.Sf4+?
      • 1...Ke4
        • 2.Qe2#
        • 2.Qd3#
        • 2.Qe1#
        • 2.Qf3#
      • 1...Kc6!
    • 1.Qf3+?
      • 1...Ke6
        • 2.Qb3#
        • 2.d5#
      • 1...Kc4!
  • Keys
    • 1.Rxb7!
      • 1...Kc4
        • 2.Sf4#
      • 1...Ke4
        • 2.Qf3#
      • 1...Kc6
        • 2.Qf3#
      • 1...Ke6
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(B)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XP(E)
    • Try
      • S(C);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(G);XP(b)
    • Vars
      • K(a);S_FLIGHT::QAB(B)+S(C)
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAB(B)
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