MESON Chess Problem Database

Problem Display
PID: 206093 (8/4B3/2K1p1B1/1N1nkbbN/2nR4/5PP1/3P4/8 w - - 0 1)

Orchard, Isaac Edward

Land and Water, 1872

(First published on Sat Sep 21 1872)

8/4B3/2K1p1B1/1N1nkbbN/2nR4/5PP1/3P4/8

#2

9 + 6

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Re4#
    • 1...Be4
      • 2.Rxe4#
    • 1...Bg4
      • 2.Re4#
    • 1...Sb2
      • 2.Bd6#
    • 1...Sxd2
      • 2.Bd6#
    • 1...Sa3
      • 2.Bd6#
    • 1...Sce3
      • 2.Bd6#
    • 1...Scb6
      • 2.Bd6#
    • 1...Sd6
      • 2.Bxd6#
  • Keys
    • 1.Re4+!
      • 1...Bxe4
        • 2.d4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • B(d);N_GUARD::R1(D)
    • B(d);N_GUARD::R1(D),XB(d)
    • S(a);N_GUARD::B(I)
    • S(a);N_GUARD,XP(A)::B(I)
    • S(a);N_GUARD::B(I),XS(a)
  • Actual
    • R(D);CHECK
    • Vars
      • B(d);XR(D)::P(A)
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