MESON Chess Problem Database

Problem Display
PID: 224431 (2bbk1N1/3R2P1/4pp2/8/7K/8/1n1Q3B/8 w - - 0 1)

Anonymous

Wilkes-Barre Record, 1888

(First published on Thu Nov 1 1888)

2bbk1N1/3R2P1/4pp2/8/7K/8/1n1Q3B/8

#2

6 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Sxf6#
      • 2.Re7#
    • 1...Bb6
      • 2.Sxf6#
      • 2.Re7#
    • 1...Bc7
      • 2.Sxf6#
      • 2.Re7#
    • 1...Be7
      • 2.Rxe7#
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qxd8#
      • 1...Kxd7
        • 2.Qb5#
      • 1...Bxd7
        • 2.Qh5#
      • 1...Bxa5
        • 2.Sxf6#
      • 1...Be7
        • 2.Rxe7#
      • 1...Bb6
        • 2.Sxf6#
      • 1...Bc7
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(e);N_GUARD::R1(D),XB(e)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XB(e)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • B(d);SBLOCK,XR(D)::QAB(A)
      • B(e);N_GUARD,XQ(A)::S(F),XP(c)
      • B(e);N_GUARD::R1(D),XB(e)
      • B(e);N_GUARD::S(F),XP(c)
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