MESON Chess Problem Database

Problem Display
PID: 82027 (4BB2/8/1p6/3P1R2/1Pk2b2/1N3N2/P1K2nQq/1R6 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Schach-Echo, 1977

4BB2/8/1p6/3P1R2/1Pk2b2/1N3N2/P1K2nQq/1R6

#2

11 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd2
      • 2.Sbxd2#
      • 2.Sfxd2#
    • 1...Bg3
      • 2.Sbd2#
      • 2.Sfd2#
    • 1...Be5
      • 2.Sfd2#
    • 1...Bd6
      • 2.Sbd2#
    • 1...Bc7
      • 2.Sbd2#
      • 2.Sfd2#
    • 1...Bb8
      • 2.Sbd2#
      • 2.Sfd2#
    • 1...b5
      • 2.Sa5#
  • Tries
    • 1.Sbd4?
      • threat
        • 2.Bb5#
      • 1...b5
        • 2.Bxb5#
      • 1...Be5!
    • 1.Sfd4?
      • threat
        • 2.Bb5#
      • 1...b5
        • 2.Bxb5#
      • 1...Bd6!
  • Keys
    • 1.a4!
      • threat
        • 2.Bb5#
      • 1...Be5
        • 2.Sfd2#
      • 1...Bd6
        • 2.Sbd2#
      • 1...b5
        • 2.Sa5#
        • 2.Bxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(d);N_GUARD::S(F)
    • B(d);N_GUARD::S(E)
    • P(e);N_GUARD::S(E)
  • Tries
    • Try
      • S(E);
      • Threat
        • B(J)
      • Vars
        • P(e);::B(J),XP(e)
      • Refutation
        • B(d);
    • Try
      • S(F);
      • Threat
        • B(J)
      • Vars
        • P(e);::B(J),XP(e)
      • Refutation
        • B(d);
  • Actual
    • P(B);
    • Threat
      • B(J)
    • Vars
      • B(d);N_GUARD::S(F)
      • B(d);N_GUARD::S(E)
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