MESON Chess Problem Database

Problem Display
PID: 48671 (8/7R/3P4/4NkP1/R7/5N2/3K3P/7Q w - - 0 1)

Finlayson, William

Chess Chips, 1878

8/7R/3P4/4NkP1/R7/5N2/3K3P/7Q

#2

9 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Sg4?
      • 1...Kg6
        • 2.Qb1#
      • 1...Ke6!
    • 1.Sc6?
      • 1...Kg6
        • 2.Qb1#
      • 1...Ke6!
    • 1.Sg6?
      • 1...Kxg6
        • 2.Qb1#
      • 1...Ke6!
    • 1.Sd7?
      • 1...Kg6
        • 2.Qb1#
      • 1...Ke6!
    • 1.Sf7?
      • 1...Kg6
        • 2.Qb1#
      • 1...Ke6!
  • Keys
    • 1.Sc4!
      • 1...Ke4
        • 2.Se3#
      • 1...Kf4
        • 2.Se3#
      • 1...Kg4
        • 2.Se3#
      • 1...Ke6
        • 2.Sd4#
      • 1...Kg6
        • 2.Qb1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT,XS(F)::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(F);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(F);
    • Vars
      • K(a);S_FLIGHT::R(E)+S(F)
      • K(a);P-FLIGHT::R(E)+S(F)
      • K(a);S_FLIGHT::R(E)+S(F),DCHECK
      • K(a);S_FLIGHT::S(D)
      • K(a);S_FLIGHT::QAB(A)
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