MESON Chess Problem Database

Problem Display
PID: 203834 (5R2/5KB1/8/6k1/5R2/5B2/5P2/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

5R2/5KB1/8/6k1/5R2/5B2/5P2/8

#2

6 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf4
      • 2.Kg6#
  • Tries
    • 1.Bg4?
      • 1...Kh4
        • 2.Bf6#
      • 1...Kxf4!
    • 1.Ba1?
      • 1...Kxf4
        • 2.Kg6#
      • 1...Kh6!
    • 1.Bb2?
      • 1...Kxf4
        • 2.Kg6#
      • 1...Kh6!
    • 1.Bc3?
      • 1...Kxf4
        • 2.Kg6#
      • 1...Kh6!
    • 1.Bd4?
      • 1...Kxf4
        • 2.Kg6#
      • 1...Kh6!
    • 1.Bf6+?
      • 1...Kh6
        • 2.Rh4#
        • 2.Rh8#
      • 1...Kxf4!
    • 1.Bh8?
      • 1...Kxf4
        • 2.Kg6#
      • 1...Kh6!
    • 1.Rf5+?
      • 1...Kh4
        • 2.Rh5#
        • 2.Rh8#
      • 1...Kxf5!
  • Keys
    • 1.Rg4+!
      • 1...Kf5
        • 2.Ke7#
      • 1...Kh5
        • 2.Rh8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT,XR(C)::R(F)+K(D)
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(E)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT,XR(C)::R(F)+K(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT,XR(C)::R(F)+K(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT,XR(C)::R(F)+K(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT,XR(C)::R(F)+K(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XR(C)
    • Try
      • B(E);
      • Vars
        • K(a);S_FLIGHT,XR(C)::R(F)+K(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(C);CHECK
      • Refutation
        • K(a);P-FLIGHT,XR(C)
  • Actual
    • R(C);CHECK
    • Vars
      • K(a);P-FLIGHT::R(F)+K(D)
      • K(a);P-FLIGHT::R(F)
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