MESON Chess Problem Database

Problem Display
PID: 203837 (8/3kP3/6K1/2RN4/4N3/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

8/3kP3/6K1/2RN4/4N3/8/8/8

#2

5 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.e8Q#
    • 1...Ke8
      • 2.Sef6#
  • Tries
    • 1.Kg5?
      • 1...Ke6
        • 2.e8Q#
      • 1...Ke8!
    • 1.Kg7?
      • 1...Ke8
        • 2.Sef6#
      • 1...Ke6!
    • 1.Sdf6+?
      • 1...Ke6
        • 2.e8Q#
        • 2.e8R#
      • 1...Kxe7!
    • 1.Rc1?
      • 1...Ke8
        • 2.Sef6#
      • 1...Ke6!
    • 1.Rc2?
      • 1...Ke8
        • 2.Sef6#
      • 1...Ke6!
    • 1.Rc3?
      • 1...Ke8
        • 2.Sef6#
      • 1...Ke6!
    • 1.Rc4?
      • 1...Ke8
        • 2.Sef6#
      • 1...Ke6!
    • 1.Rc6?
      • 1...Ke8
        • 2.Sef6#
      • 1...Kxc6!
    • 1.Rc7+?
      • 1...Ke8
        • 2.Sd6#
        • 2.Sef6#
        • 2.Sdf6#
      • 1...Ke6!
  • Keys
    • 1.Rb5!
      • 1...Kc6
        • 2.e8Q#
        • 2.e8B#
      • 1...Ke6
        • 2.e8Q#
      • 1...Kc8
        • 2.e8Q#
      • 1...Ke8
        • 2.Sef6#

FEATURES

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