Module square

Structs

MagicInfo

MagicInfo records the magic and shift for a square

PawnInfo

PawnInfo struct records the possible move and ep related squares of pawns

Enums

Delta

Delta enum lists the possible deltas of chess pieces

MoveGenMode

MoveGenNode lists the move generation modes

Statics

BISHOP_ATTACK

BISHOP_ATTACK is the attack table of bishop

BISHOP_MAGIC_ATTACK

BISHOP_MAGIC_ATTACK is the magic attack table of bishop

KING_AREA

KING_AREA is the attack table of king plus king square

KING_ATTACK

KING_ATTACK is the attack table of king

KNIGHT_ATTACK

KNIGHT_ATTACK is the attack table of knight

LANCER_ATTACKS

LANCER_ATTACKS is are attack tables of lancers

MAGIC_LOOKUP_BISHOP

MAGIC_LOOKUP_BISHOP is the magic lookup table for bishop

MAGIC_LOOKUP_ROOK

MAGIC_LOOKUP_ROOK is the magic lookup table for rook

PAWN_INFOS

PAWN_INFOS records PawnInfo for color and square

QUEEN_ATTACK

QUEEN_ATTACK is the attack table of queen

ROOK_ATTACK

ROOK_ATTACK is the attack table of rook

ROOK_MAGIC_ATTACK

ROOK_MAGIC_ATTACK is the magic attack table of rook

Traits

DeltaBuffer

DeltaBuffer trait adds methods to various size buffers that holds deltas

MoveTrait

MoveTrait adds methods to Move

SquareTrait

Square trait adds methods to a Square

Functions

bishop_mobility

returns bishop mobility

create_magic_lookup_table

create magic lookup table

detect_collision

detects collision of a magic applied to a mobility, returns true if there is a collision, false otherwise

find_and_log_magics

find and log all magics

find_magic_and_shift

tries to find magic and shift in certain number of tries per shift for a mobility, starting from a maximum shift, going to minimum shift, returns a tuple of the found magic and a bool indicating success

find_magic_for_shift

tries to find magic for shift in certain number of tries for a mobility, returns a tuple of the found magic and a bool indicating success

get_jump_mobility

returns jump mobility

get_sliding_mobility

returns sliding mobility

jailer_mobility

returns jailer mobility

jump_attack

returns jump attack bitboard from deltas

king_mobility

returns king mobility

knight_mobility

returns knight mobility

lancer_mobility

returns lancer mobility

log_find_magic_and_shift

find and log magic and shift

magic_attack

return magic attack for an attack

mobility_index

returns index of mobility in mobility table for a magic and shift

new_magic

returns a random magic

queen_mobility

returns queen mobility

rank_file

constructs a Square from rank and file

rook_mobility

returns rook mobility

sliding_attack

returns sliding attack bitboard from deltas

total_magic_space

returns the total number of magic look up table items

translate_mask_to_occupancy

translates an occupancy mask to partial occupancy of a mobility

Type Aliases

AttackTable

AttackTable type records an attack bitboard for every square of a chess board

File

Rank type represents the file of a square as an unsigned int

Move

Move type represents a chess move

Rank

Rank type represents the rank of a square as an unsigned int

Square

Square type represents a square of a chess board as an unsigned int