MESON Chess Problem Database

Problem Display
PID: 39119 (1brN1BK1/kppp4/P4R2/5R2/N7/5B2/4Q1p1/5br1 w - - 0 1)

Reeves, Alfred Christopher

The Problemist, 2001

1brN1BK1/kppp4/P4R2/5R2/N7/5B2/4Q1p1/5br1

#2

9 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...bxa6
      • 2.Bc5#
      • 2.Rxa6#
    • 1...b5
      • 2.Bc5#
  • Tries
    • 1.Bc5+?
      • 1...Ka8
        • 2.Bxb7#
        • 2.axb7#
      • 1...b6!
  • Keys
    • 1.axb7!
      • threat
        • 2.Bc5#
        • 2.Ra5#
        • 2.Ra6#
        • 2.bxc8S#
      • 1...Rxd8
        • 2.Ra5#
        • 2.Ra6#
      • 1...Bxe2
        • 2.Bc5#
        • 2.bxc8S#
      • 1...c5
        • 2.Ra6#
        • 2.bxc8S#
      • 1...c6
        • 2.Bc5#
        • 2.Ra5#
      • 1...d5
        • 2.Bc5#
        • 2.Ra6#
      • 1...d6
        • 2.Ra5#
        • 2.bxc8S#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(e);N_GUARD::B(H)
  • Tries
    • Try
      • B(H);CHECK,P_SPINS(G)
      • Refutation
        • P(e);P_SPINP(e)
  • Actual
    • P(E);XP(e)
    • Threat
      • DUALS(4)
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