用结构和枚举，把国际象棋棋盘上的棋子，和格子颜色初始化为开局状态

我这个有20多处错误，请大佬看看
#include
typedef enum {SOLDIER,HORSE,X,CAR,QUEEN,KING,EMPTY}Piece;
typedef enum {BLACK,WHITH}Color;
struct square{Piece a;Color b;};
int main(void)
{

int i,j;
struct square board[8][8];
(board[0][0].square.a)=(board[0][7].square.a)=(board[7][0].square.a)=(board[7][7].square.a)=CAR;
(board[0][1].square.a)=(board[0][6].square.a)=(board[7][1].square.a)=(board[7][6].square.a)=HORSE;
(board[0][2].square.a)=(board[0][5].square.a)=(board[7][2].square.a)=(board[7][5].square.a)=X;
(board[0][3].square.a)=(board[7][4].square.a)=QUEEN;
(board[0][4].square.a)=(board[7][3].square.a)=KING;
for(i=0;i<8;i++)
    board[1][i].square.a=board[7][i].square.a=SOLDIER;
for(i=0;i<8;i++){
    for(j=0;j<8;j++){
        if(j%2=0)
            baord[i][j].square.b=WHITH;
        else
            board[i][j].square.b=BLACK;
    }
}
for(i=2;i<6;i++){
    for(j=0;j<8;j++)
        board[i][j].square.a=EMPTY;
    }

printf("输入方格坐标：");
scanf("%d %d",&i,&j);
printf("棋子：%d颜色：%d",board[i][j].square.a,board[i][j].square.b);
return 0;

}

以下是错误信息：
ompiling...
chapter16exercise18.c
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(11) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(11) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(11) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(11) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(12) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(12) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(12) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(12) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(13) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(13) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(13) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(13) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(14) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(14) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(15) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(15) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(17) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(17) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(20) : error C2106: '=' : left operand must be l-value
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(21) : error C2065: 'baord' : undeclared identifier
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(21) : error C2109: subscript requires array or pointer type
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(21) : error C2109: subscript requires array or pointer type
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(21) : error C2224: left of '.square' must have struct/union type
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(23) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(28) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(33) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(33) : error C2039: 'square' : is not a member of 'square'
D:\c\c\第十六章结构联合枚举\chapter16exercise18.c(4) : see declaration of 'square'
Error executing cl.exe.

chapter16exercise18.obj - 27 error(s), 0 warning(s)

代码错误太多，很多符号拼写都不对，结构体也没用对。

 #include<stdio.h>
typedef enum {SOLDIER,HORSE,X,CAR,QUEEN,KING,EMPTY}Piece;
typedef enum {BLACK,WHITH}Color;
typedef struct {Piece a;Color b;} _square;
typedef struct {_square square;} Square;
int main(void)
{
    int i,j;
    Square board[8][8];
    (board[0][0].square.a)=(board[0][7].square.a)=(board[7][0].square.a)=(board[7][7].square.a)=CAR;
    (board[0][1].square.a)=(board[0][6].square.a)=(board[7][1].square.a)=(board[7][6].square.a)=HORSE;
    (board[0][2].square.a)=(board[0][5].square.a)=(board[7][2].square.a)=(board[7][5].square.a)=X;
    (board[0][3].square.a)=(board[7][4].square.a)=QUEEN;
    (board[0][4].square.a)=(board[7][3].square.a)=KING;
    for(i=0;i<8;i++)
        board[1][i].square.a=board[7][i].square.a=SOLDIER;
    for(i=0;i<8;i++){
        for(j=0;j<8;j++){
            if(j%2==0)
                board[i][j].square.b=WHITH;
            else
                board[i][j].square.b=BLACK;
        }
    }
    for(i=2;i<6;i++){
        for(j=0;j<8;j++)
            board[i][j].square.a=EMPTY;
        }

    printf("输入方格坐标：");
    scanf("%d %d",&i,&j);
    printf("棋子：%d颜色：%d",board[i][j].square.a,board[i][j].square.b);
    return 0;
}