Dr. Rhodes Island, welcome! Use this Arknights Recruitment Calculator to quickly estimate the **Target Success Rate Index (TSRI)** for your desired operator rarity based on available recruitment tags.
Arknights Recruitment Calculator
Calculated Target Success Rate Index (TSRI):
Enter valid inputs and click ‘Calculate TSRI’ to see the detailed steps.
Arknights Recruitment Calculator Formula
The Target Success Rate Index (TSRI) is a simplified metric used for comparing recruitment attempts based on desired rarity and tag quality. While not official, it provides a valuable comparison point.
$$\text{TSRI} = (\text{RT} \times 10) + (\text{NT} \times 2) – (\text{ST} \times 20)$$
RT = Desired Rarity (1-6); NT = Total Tags; ST = Senior Operator Tags.
Formula Source (Inspired by Arknights Recruitment Logic)
Variables Explained
Understanding the inputs is key to effective recruitment planning:
- Desired Rarity (RT): Your target star rating (1-6). Higher rarity significantly boosts the index value.
- Total Available Tags (NT): The number of tags available in the current recruitment slot (usually 1 to 5). More tags slightly increase the chance of a good combination.
- Senior Operator Tags (ST): Whether the Senior Operator tag is present (1) or absent (0). This rare tag is a powerful multiplier for high-rarity results, hence its large negative weight in the formula.
What is Arknights Recruitment Calculator?
This tool is designed to provide Arknights players with a quick quantitative metric to evaluate the strength of a potential recruitment attempt before committing resources like Recruitment Permits and LMD. By abstracting the complex tag system, it boils down the potential success into a single, comparative index.
In Arknights, public recruitment relies on a combination of time settings and specific tags (like Vanguard, Caster, Senior Operator, etc.) to guarantee or heavily favor certain operator classes or rarities. The TSRI metric helps players decide if the current tag set is ‘worth’ pursuing the highest available timer (9 hours) to maximize their chances for the desired rarity.
How to Calculate TSRI (Example)
Let’s use an example where a Doctor is aiming for a 5-Star operator, has 3 available tags, but no Senior Operator tag:
- Define Variables: RT = 5; NT = 3; ST = 0.
- Calculate Rarity Base: $5 \times 10 = 50$.
- Calculate Tag Boost: $3 \times 2 = 6$.
- Calculate Senior Tag Penalty/Bonus: $0 \times 20 = 0$.
- Final TSRI: $50 + 6 – 0 = 56$.
A higher TSRI indicates a stronger combination for achieving a rare result.
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Frequently Asked Questions (FAQ)
No, the Target Success Rate Index (TSRI) is a comparative index developed to simplify the decision-making process for Arknights’ Public Recruitment system, providing a rough measure of opportunity quality.
The Senior Operator tag guarantees a 5-Star or higher operator. This highly valuable effect dramatically alters the success profile of a recruitment attempt, hence its large weighting in the index calculation.
TSRI values above 50 are generally considered high-potential attempts, especially when aiming for 5-Star or 6-Star results. However, always prioritize guaranteed tags.
The TSRI itself does not directly account for time, but a high TSRI result suggests the current tag combination is worth setting the maximum 9-hour timer to maximize the chance of obtaining the desired rarity.