MESON Chess Problem Database

Problem Display
PID: 248184 (6Nk/3Q2bP/8/8/8/8/5K2/1B6 w - - 0 1)

de Blasio, Francis JC

Sjakk-Nytt, 1948

6Nk/3Q2bP/8/8/8/8/5K2/1B6

#2

5 + 2

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4+
      • 2.Qxd4#
  • Tries
    • 1.Qd4?
      • 1...Be5
        • 2.Qxe5#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Bxd4+!
  • Keys
    • 1.Se7!
      • 1...Bd4+
        • 2.Qxd4#
      • 1...Ba1
        • 2.Sg6#
      • 1...Bb2
        • 2.Sg6#
      • 1...Bc3
        • 2.Sg6#
      • 1...Be5
        • 2.Sg6#
      • 1...Bf6
        • 2.Sg6#
      • 1...Bh6
        • 2.Sg6#
      • 1...Bf8
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(a);CHECK,OGATEB::QAB(C),XB(a)
  • Tries
    • Try
      • Q(C);P_PINB(a)
      • Vars
        • B(a);OGATEB::QAB(C),XB(a)
      • Refutation
        • B(a);CHECK,N_SPINB(a),XQ(C)
  • Actual
    • S(E);
    • Vars
      • B(a);CHECK,OGATEB::QAB(C),XB(a)
      • B(a);::S(E)
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