MESON Chess Problem Database

Problem Display
PID: 241820 (8/8/8/8/8/6KN/Rn6/7k w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1929

8/8/8/8/8/6KN/Rn6/7k

#2

3 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd1
      • 2.Rh2#
    • 1...Sd3
      • 2.Rh2#
    • 1...Sa4
      • 2.Ra1#
      • 2.Rh2#
    • 1...Sc4
      • 2.Ra1#
      • 2.Rh2#
  • Keys
    • 1.Ra1+!
      • 1...Sd1
        • 2.Rxd1#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • S(b);OGATE::R1(A)
  • Actual
    • R(A);CHECK
    • Vars
      • S(b);N_GUARD,P_SPINS(b)::R(A),XS(b)
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