MESON Chess Problem Database

Problem Display
PID: 31080 (8/8/8/3K4/2N1N1B1/6P1/p1kB4/n7 w - - 0 1)

Caine, Walter Edmund

The Problemist, 1927

8/8/8/3K4/2N1N1B1/6P1/p1kB4/n7

#2

6 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3?
      • 1...Kd3
        • 2.Bf5#
      • 1...Sb3
        • 2.Bf5#
      • 1...Kb3!
    • 1.Bd1+?
      • 1...Kb1
        • 2.Sc3#
      • 1...Kd3
        • 2.Sb2#
        • 2.Se5#
        • 2.Sf2#
        • 2.Sc5#
      • 1...Kxd1!
  • Keys
    • 1.Bf5!
      • 1...Kb1
        • 2.Sc3#
      • 1...Kd1
        • 2.Sc3#
      • 1...Kb3
        • 2.Sc5#
      • 1...Kd3
        • 2.Sc3#
      • 1...Sb3
        • 2.Sf2#
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(c);S_FLIGHT::B(E)
        • S(a);SBLOCK::B(E)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(E);CHECK
      • Vars
        • K(c);S_FLIGHT::S(D)
      • Refutation
        • K(c);S_FLIGHT,XB(E)
  • Actual
    • B(E);
    • Vars
      • K(c);S_FLIGHT::B(E)+S(D),DCHECK
      • K(c);S_FLIGHT::S(D)
      • K(c);S_FLIGHT::B(E)+S(D)
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