Author: Dann Corbit
Date: 18:02:16 09/22/04
static const unsigned rook_reach[64] = {
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14
};
static const unsigned bishop_reach[64] = {
7, 7, 7, 7, 7, 7, 7, 7,
7, 9, 9, 9, 9, 9, 9, 7,
7, 9, 11, 11, 11, 11, 9, 7,
7, 9, 11, 13, 13, 11, 9, 7,
7, 9, 11, 13, 13, 11, 9, 7,
7, 9, 11, 11, 11, 11, 9, 7,
7, 9, 9, 9, 9, 9, 9, 7,
7, 7, 7, 7, 7, 7, 7, 7
};
static const unsigned knight_reach[64] = {
2, 3, 4, 4, 4, 4, 3, 2,
3, 4, 6, 6, 6, 6, 4, 3,
4, 6, 8, 8, 8, 8, 6, 4,
4, 6, 8, 8, 8, 8, 6, 4,
4, 6, 8, 8, 8, 8, 6, 4,
4, 6, 8, 8, 8, 8, 6, 4,
3, 4, 6, 6, 6, 6, 4, 3,
2, 3, 4, 4, 4, 4, 3, 2
};
static const unsigned pawn_reach[64] = {
23, 24, 25, 25, 25, 25, 24, 23,
1, 2, 2, 2, 2, 2, 2, 1,
1, 2, 2, 2, 2, 2, 2, 1,
1, 2, 2, 2, 2, 2, 2, 1,
1, 2, 2, 2, 2, 2, 2, 1,
1, 2, 2, 2, 2, 2, 2, 1,
1, 2, 2, 2, 2, 2, 2, 1,
23, 24, 25, 25, 25, 25, 24, 23
};
static const unsigned king_reach[64] = {
3, 5, 5, 5, 5, 5, 5, 3,
5, 8, 8, 8, 8, 8, 8, 5,
5, 8, 8, 8, 8, 8, 8, 5,
5, 8, 8, 8, 8, 8, 8, 5,
5, 8, 8, 8, 8, 8, 8, 5,
5, 8, 8, 8, 8, 8, 8, 5,
5, 8, 8, 8, 8, 8, 8, 5,
3, 5, 5, 5, 5, 5, 5, 3
};
static const unsigned queen_reach[64] = {
21, 21, 21, 21, 21, 21, 21, 21,
21, 23, 23, 23, 23, 23, 23, 21,
21, 23, 25, 25, 25, 25, 23, 21,
21, 23, 25, 27, 27, 25, 23, 21,
21, 23, 25, 27, 27, 25, 23, 21,
21, 23, 25, 25, 25, 25, 23, 21,
21, 23, 23, 23, 23, 23, 23, 21,
21, 21, 21, 21, 21, 21, 21, 21
};
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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