This is a temporary, read-only recovery of the chessprogrammingwiki while a longer-term plan is worked out. Editing is not possible right now, but will be again soon.
Chess Programming Wiki All pages Other namespaces

Center

Home * Chess * Squares * Center

The Center of the chessboard are the four inner squares {d4, e4, d5, e5}. Pawn placement and piece control of the center is crucial. The extended center incorporates the next concentric ring around the center, including C- and F-file as well as third and sixth rank.

Contents
  1. Bitboards
    1. Center
    2. Extended Center
  2. See also
  3. External Links

Bitboards

Center

The center bitboard has the hexadecimal value of 0x0000001818000000:

 . . . . . . . .
 . . . . . . . .
 . . . . . . . .
 . . . 1 1 . . .
 . . . 1 1 . . .
 . . . . . . . .
 . . . . . . . .
 . . . . . . . .

Extended Center

Extended center is 0x00003C3C3C3C0000:

 . . . . . . . .
 . . . . . . . .
 . . 1 1 1 1 . .
 . . 1 1 1 1 . .
 . . 1 1 1 1 . .
 . . 1 1 1 1 . .
 . . . . . . . .
 . . . . . . . .

See also

Up one Level

What links here

Contributors: GerdIsenberg.