// Battle stats (simple)
public int maxHP = 10;
public int currentHP;
public int attack = 5;
public int defense = 2;

public void Init(PieceType type, PieceColor col, int x, int z)
{
    pieceType = type;
    color = col;
    boardX = x; boardZ = z;
    currentHP = maxHP;
}

public void MoveTo(int x, int z, Vector3 worldPos)
{
    boardX = x; boardZ = z;
    transform.position = worldPos + Vector3.up * 0.5f;
}