MESON Chess Problem Database

Problem Display
PID: 227789 (7B/2K1k1P1/3N4/5P1R/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

7B/2K1k1P1/3N4/5P1R/8/8/8/8

#2

6 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.g8S#
  • Tries
    • 1.Kc6?
      • 1...Kf6
        • 2.g8S#
      • 1...Kd8!
    • 1.Kc8?
      • 1...Kf6
        • 2.g8S#
      • 1...Kxd6!
    • 1.Sc8+?
      • 1...Kf6
        • 2.g8Q#
        • 2.g8B#
      • 1...Ke8
        • 2.g8Q#
      • 1...Kf7!
    • 1.f6+?
      • 1...Ke6
        • 2.g8Q#
        • 2.g8B#
      • 1...Kxf6!
  • Keys
    • 1.Rh7!
      • 1...Kf6
        • 2.g8Q#
        • 2.g8R#

FEATURES

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