MESON Chess Problem Database

Problem Display
PID: 227481 (7k/3p3B/2nB3K/8/8/8/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1926

7k/3p3B/2nB3K/8/8/8/8/8

#2

3 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sb4
      • 2.Be5#
    • 1...Sd4
      • 2.Be5#
    • 1...Sa5
      • 2.Be5#
    • 1...Se5
      • 2.Bxe5#
    • 1...Sa7
      • 2.Be5#
    • 1...Se7
      • 2.Be5#
    • 1...Sb8
      • 2.Be5#
    • 1...Sd8
      • 2.Be5#
  • Tries
    • 1.Kg6?
      • 1...Se5+
        • 2.Bxe5#
      • 1...Sb4
        • 2.Be5#
      • 1...Sd4
        • 2.Be5#
      • 1...Sa5
        • 2.Be5#
      • 1...Sa7
        • 2.Be5#
      • 1...Sb8
        • 2.Be5#
      • 1...Sd8
        • 2.Be5#
      • 1...Se7+!
  • Keys
    • 1.Bf8!
      • threat
        • 2.Bg7#

FEATURES

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