MESON Chess Problem Database

Problem Display
PID: 205503 (1BQ2N2/7n/1p6/3kn1N1/8/4P3/1bP5/7K w - - 0 1)

Kotrc, Jan

Arbeiter Schachzeitung, 1925

1BQ2N2/7n/1p6/3kn1N1/8/4P3/1bP5/7K

#2

7 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bd4
      • 2.e4#
    • 1...Sd3
      • 2.c4#
    • 1...Sf3
      • 2.c4#
    • 1...Sg4
      • 2.c4#
    • 1...Sg6
      • 2.c4#
    • 1...Sd7
      • 2.c4#
    • 1...Sf7
      • 2.c4#
  • Keys
    • 1.Sd7!
      • threat
        • 2.Sxb6#
      • 1...Sxd7
        • 2.c4#
      • 1...Sxg5
        • 2.Sf6#
      • 1...Sc6
        • 2.Qg8#
      • 1...Bd4
        • 2.e4#
      • 1...Sc4
        • 2.Qb7#
      • 1...b5
        • 2.Sb6#
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • B(a);SBLOCK::P(C)
    • S(c);N_GUARD::P(B)
  • Actual
    • S(G);
    • Threat
      • S(G),XP(d)
    • Vars
      • S(c);N_GUARD,XS(G)::P(B)
      • S(e);N_GUARD,XS(D)::S(G)
      • S(c);N_GUARD,SBLOCK::QAB(F)
      • B(a);SBLOCK::P(C)
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