MESON Chess Problem Database

Problem Display
PID: 241849 (8/8/p7/R7/8/1k6/RN1K4/4B3 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1930

8/8/p7/R7/8/1k6/RN1K4/4B3

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kb4
      • 2.Kc2#
  • Tries
    • 1.Ra1?
      • 1...Kb4
        • 2.Kc2#
      • 1...Kxb2!
    • 1.R2a3+?
      • 1...Kb4
        • 2.Kc1#
        • 2.Kd1#
        • 2.Kc2#
        • 2.Ke2#
        • 2.Kd3#
        • 2.Ke3#
      • 1...Kxb2!
  • Keys
    • 1.R2a4!
      • 1...Kxb2
        • 2.Rb4#

FEATURES

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