MESON Chess Problem Database

Problem Display
PID: 227787 (3N4/B1kPP3/4BK2/8/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

3N4/B1kPP3/4BK2/8/8/8/8/8

#2

6 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.e8S#
  • Tries
    • 1.Bg1?
      • 1...Kd6
        • 2.e8S#
      • 1...Kb8!
    • 1.Bf2?
      • 1...Kd6
        • 2.e8S#
      • 1...Kb8!
    • 1.Be3?
      • 1...Kd6
        • 2.e8S#
      • 1...Kb8!
    • 1.Bd4?
      • 1...Kd6
        • 2.e8S#
      • 1...Kb8!
    • 1.e8B?
      • 1...Kxd8
        • 2.Bb6#
      • 1...Kd6!
  • Keys
    • 1.e8S+!
      • 1...Kxd8
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::P=S
  • Tries
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::P=S
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::P=S
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::P=S
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::P=S
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(E);
      • Vars
        • K(a);S_FLIGHT,XS(F)::B(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • P(E);CHECK
    • Vars
      • K(a);S_FLIGHT,XS(F)::B(C)
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