MESON Chess Problem Database

Problem Display
PID: 206603 (8/8/3Q4/7B/4k2K/8/8/3N4 w - - 0 1)

de Savignac Castelet, G Arnaud

La Strategie, 1925

8/8/3Q4/7B/4k2K/8/8/3N4

#2

4 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Bg6#
  • Tries
    • 1.Sb2?
      • 1...Kf5
        • 2.Bg6#
      • 1...Ke3!
    • 1.Sf2+?
      • 1...Kf5
        • 2.Bg4#
        • 2.Bg6#
      • 1...Ke3!
    • 1.Sc3+?
      • 1...Kf5
        • 2.Bg4#
        • 2.Bg6#
      • 1...Ke3!
    • 1.Bf3+?
      • 1...Kf5
        • 2.Se3#
      • 1...Kxf3!
    • 1.Bf7?
      • 1...Kf5
        • 2.Bg6#
      • 1...Kf3!
    • 1.Be8?
      • 1...Kf5
        • 2.Bg6#
      • 1...Kf3!
  • Keys
    • 1.Be2!
      • 1...Kf5
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::B(C)
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(A);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::S(A)
      • Refutation
        • K(a);S_FLIGHT,XB(C)
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(a);S_FLIGHT::B(C)
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