MESON Chess Problem Database

Problem Display
PID: 231704 (Qb5r/1Rpk2p1/2n4n/BB1N1P2/2N5/8/2K5/4R3 w - - 0 1)

Anonymous

Pen & Pencil, 1888

(First published on Sat Dec 8 1888)

Qb5r/1Rpk2p1/2n4n/BB1N1P2/2N5/8/2K5/4R3

#2

9 + 7

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd8
      • 2.Sdb6#
    • 1...Ba7
      • 2.Re7#
      • 2.Rxc7#
  • Tries
    • 1.Bxc6+?
      • 1...Kc8
        • 2.Rxb8#
        • 2.Qxb8#
      • 1...Kd8
        • 2.Rxb8#
        • 2.Qxb8#
      • 1...Kxc6!
    • 1.Rxc7+?
      • 1...Bxc7
        • 2.Bxc6#
        • 2.Re7#
      • 1...Kd8!
  • Keys
    • 1.Bxc7!
      • threat
        • 2.Scb6#
        • 2.Sdb6#
      • 1...Kc8
        • 2.Scb6#
        • 2.Sdb6#
      • 1...Bxc7
        • 2.Sdb6#
        • 2.Re7#
        • 2.Rxc7#
      • 1...Ba7
        • 2.Se5#
        • 2.Bh2#
        • 2.Bg3#
        • 2.Bf4#
        • 2.Ba5#
        • 2.Be5#
        • 2.Bb6#
        • 2.Bd6#
        • 2.Bd8#
        • 2.Re7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(g);SBLOCK::S(F)
  • Tries
    • Try
      • B(E);CHECK,XS(a)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT,XB(E)
    • Try
      • R(H);CHECK,XP(c)
      • Refutation
        • K(d);N_SPINS(a),P-FLIGHT,P_SPINB(f)
  • Actual
    • B(D);XP(c)
    • Threat
      • DUALS(2)
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