MESON Chess Problem Database

Problem Display
PID: 24905 (8/1NbQpkBK/8/8/8/8/8/8 w - - 0 1)

Schonberger, Tibor

L'Echiquier Marseillais, 1925-1926

8/1NbQpkBK/8/8/8/8/8/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Sd8#
    • 1...Bg3
      • 2.Sd8#
    • 1...Bf4
      • 2.Sd8#
    • 1...Ba5
      • 2.Sd6#
    • 1...Be5
      • 2.Sd8#
    • 1...Bb6
      • 2.Sd6#
    • 1...Bd6
      • 2.Sxd6#
      • 2.Sd8#
    • 1...Bb8
      • 2.Sd8#
    • 1...Bd8
      • 2.Sd6#
      • 2.Sxd8#
  • Tries
    • 1.Qc8?
      • threat
        • 2.Qg8#
      • 1...e5
        • 2.Qd7#
      • 1...e6
        • 2.Qd7#
        • 2.Qf8#
      • 1...Bd8!
    • 1.Qd5+?
      • 1...e6
        • 2.Qd7#
      • 1...Ke8!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qg6#
      • 1...Bd6
        • 2.Sd8#
      • 1...e5
        • 2.Qd7#
      • 1...e6
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • B(a);N_GUARD::S(A)
  • Tries
    • Try
      • Q(B);N_PINP(b)
      • Threat
        • QAB1(B)
      • Vars
        • P(b);OGATEB::QAR2(B)
      • Refutation
        • B(a);
    • Try
      • Q(B);CHECK,N_PINP(b)
      • Vars
        • P(b);OGATEB,P_SPINP(b)::QAR2(B)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(B);N_PINP(b)
    • Threat
      • QAB1(B)
    • Vars
      • B(a);N_GUARD::S(A)
      • P(b);OGATEB::QAR2(B)
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