MESON Chess Problem Database

Problem Display
PID: 227788 (8/4NP1N/1BPk4/5K2/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

8/4NP1N/1BPk4/5K2/8/8/8/8

#2

6 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe7
      • 2.f8Q#
  • Tries
    • 1.Bg1?
      • 1...Kxe7
        • 2.f8Q#
      • 1...Kc7!
    • 1.Bf2?
      • 1...Kxe7
        • 2.f8Q#
      • 1...Kc7!
    • 1.Be3?
      • 1...Kxe7
        • 2.f8Q#
      • 1...Kc7!
    • 1.Bd4?
      • 1...Kxe7
        • 2.f8Q#
      • 1...Kc7!
    • 1.Ba5?
      • 1...Kxe7
        • 2.f8Q#
      • 1...Kc5!
    • 1.Ba7?
      • 1...Kxe7
        • 2.f8Q#
      • 1...Kc7!
  • Keys
    • 1.f8R!
      • 1...Kxe7
        • 2.Bc5#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XS(D)::P=Q
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT,XS(D)::P=Q
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(E);
    • Vars
      • K(a);S_FLIGHT,XS(D)::B(B)
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