MESON Chess Problem Database

Problem Display
PID: 241745 (1k2K3/1P6/1R6/NN2n3/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1928

1k2K3/1P6/1R6/NN2n3/8/8/8/8

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.Sc6#
    • 1...Sf3
      • 2.Sc6#
    • 1...Sc4
      • 2.Sc6#
    • 1...Sg4
      • 2.Sc6#
    • 1...Sc6
      • 2.Sxc6#
    • 1...Sg6
      • 2.Sc6#
    • 1...Sd7
      • 2.Sc6#
    • 1...Sf7
      • 2.Sc6#
  • Tries
    • 1.Ke7?
      • 1...Sc6+
        • 2.Sxc6#
      • 1...Sd3
        • 2.Sc6#
      • 1...Sf3
        • 2.Sc6#
      • 1...Sc4
        • 2.Sc6#
      • 1...Sg4
        • 2.Sc6#
      • 1...Sd7
        • 2.Sc6#
      • 1...Sf7
        • 2.Sc6#
      • 1...Sg6+!
    • 1.Kd8?
      • 1...Sc6+
        • 2.Sxc6#
      • 1...Sd3
        • 2.Sc6#
      • 1...Sf3
        • 2.Sc6#
      • 1...Sc4
        • 2.Sc6#
      • 1...Sg4
        • 2.Sc6#
      • 1...Sg6
        • 2.Sc6#
      • 1...Sd7
        • 2.Sc6#
      • 1...Sf7+!
  • Keys
    • 1.Ra6!
      • threat
        • 2.Ra8#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • S(a);N_GUARD::S(A)
    • S(a);N_GUARD::S(A),XS(a)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Vars
        • S(a);CHECK,N_GUARD::S(A),XS(a)
        • S(a);N_GUARD::S(A)
      • Refutation
        • S(a);CHECK
    • Try
      • K(E);P-FLIGHT
      • Vars
        • S(a);CHECK,N_GUARD::S(A),XS(a)
        • S(a);N_GUARD::S(A)
      • Refutation
        • S(a);CHECK
  • Actual
    • R(C);
    • Threat
      • R1(C)
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