MESON Chess Problem Database

Problem Display
PID: 6474 (2R5/4P1B1/3k2K1/2N5/8/2N5/8/8 w - - 0 1)

Palatz, Franz Ferdinand Ludwig

Tidskrift for Schack, 1929

2R5/4P1B1/3k2K1/2N5/8/2N5/8/8

#2

6 + 1

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe7
      • 2.Bf8#
  • Tries
    • 1.Sb1?
      • 1...Kxe7
        • 2.Bf8#
      • 1...Kd5!
    • 1.Sd1?
      • 1...Kxe7
        • 2.Bf8#
      • 1...Kd5!
    • 1.Sa2?
      • 1...Kxe7
        • 2.Bf8#
      • 1...Kd5!
    • 1.Se2?
      • 1...Kxe7
        • 2.Bf8#
      • 1...Kd5!
    • 1.S3a4?
      • 1...Kxe7
        • 2.Bf8#
      • 1...Kd5!
    • 1.S3e4+?
      • 1...Kxe7
        • 2.Bf6#
        • 2.Bf8#
      • 1...Kd5!
    • 1.Sb5+?
      • 1...Kxe7
        • 2.Bf6#
        • 2.Bf8#
      • 1...Kd5!
    • 1.S5e4+?
      • 1...Ke6
        • 2.e8Q#
      • 1...Kd7
        • 2.e8Q#
      • 1...Kxe7!
    • 1.Sb7+?
      • 1...Ke6
        • 2.e8Q#
      • 1...Kd7
        • 2.e8Q#
      • 1...Kxe7!
    • 1.Be5+?
      • 1...Kxe7
        • 2.Sd5#
      • 1...Kxe5!
    • 1.Bh6?
      • 1...Kxe7
        • 2.Bf8#
      • 1...Ke5!
  • Keys
    • 1.e8S+!
      • 1...Ke7
        • 2.Sd5#

FEATURES

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