What is ACS Valorant? A Complete Guide to Average Combat Score

You just finished a tight 13-11 competitive Valorant match, popped off with 25 kills and a 2.1 KDA, but when you check the post-match screen, your teammate who only got 18 kills has a higher performance rating and earned 10 more RR than you. If you’ve ever stared at that screen confused, you’ve probably wondered what is ACS Valorant, and why it seems to matter more than raw kill counts for rank gains. ACS, short for Average Combat Score, is one of the most misunderstood metrics in the game, and a lot of players write it off as a random number with no real meaning. But once you understand how it works, you can use it to adjust your playstyle, earn more RR per win, and climb the ranks way faster than you would by just chasing kills.

What is ACS Valorant, Exactly?

ACS is a per-round performance metric Riot Games uses to measure your overall impact on a match, beyond just basic KDA stats. It’s calculated as an average across every round you play, so it stays consistent even if you’re in a long 24-round match versus a quick 16-round blowout. Unlike kill counts that only reward finishing off enemies, ACS counts every small, team-focused action that helps you win rounds.

A lot of new players assume that a player with 30 kills must have the highest ACS in the lobby, but that’s rarely the case. I once played a match where our Reyna had 32 kills, but our Sage had 20 kills and 12 revives, and ended up with 50 more ACS than the Reyna. That’s because the Reyna was chasing kills across the map instead of helping with site takes, while the Sage was contributing to every round win with heals, revives, and spike plants. ACS is designed to reward impactful play, not just fragging out, so even players who main support or controller agents can hit top of the leaderboard if they’re playing for the team.

It’s also important to note that ACS is separate from your combat score, which is the total number of points you earn across an entire match. Your ACS is just that total divided by the number of rounds you played, so it’s a more fair way to compare performance across different match lengths.

How Riot Calculates ACS for Every Match

Riot has never released the exact official formula for ACS, but years of data mining and testing from competitive players and community analysts have revealed the general point values for every in-game action. The values are weighted to prioritize actions that directly help your team win rounds, rather than actions that only benefit your personal stats.

The generally accepted point breakdown for ACS contributions is as follows:

  • 250 points for a kill, scaled based on how much damage you dealt to the enemy before they died (if you deal 100 damage for the kill, you get full 250, if you deal 50 damage and a teammate finishes them, you get 125 for the kill assist)
  • 125 points for a non-kill assist, which counts if you deal any damage to an enemy that dies within 3 seconds of your hit, even if you didn't get the final blow
  • 25 points for planting the spike, and an extra 25 if the spike detonates successfully
  • 25 points for defusing the spike, regardless of how much time is left on the timer
  • 50 points for reviving a teammate if you’re playing Sage, which is one of the biggest reasons support mains often have higher ACS than you’d expect

There are also a few hidden bonuses that many players don’t know about. First blood of the round gives you an extra 100 ACS points, which is why entry fraggers often have high ACS even if their KDA is middling. You get that bonus even if you die right after getting the first kill, so it’s a direct reward for taking risky plays that give your team a numbers advantage early in the round. Multi-kills also get a small 25 point bonus per extra kill in the same round, which adds up fast if you’re able to win 1v3 or 1v4 clutches.

How ACS Impacts Your Rank and RR Gains

One of the most common myths in the Valorant community is that ACS is the only thing that determines how much RR you earn or lose after a match, but that’s not entirely true. Your RR gains are based on a mix of your team’s overall performance, your hidden MMR, and how your individual performance compares to other players of the same rank playing the same agent. But ACS is the biggest individual metric Riot uses to adjust your RR, so it has a huge impact on how fast you climb.

For example, if you’re a Gold 2 player maining Omen, and the average ACS for Gold 2 Omen players is 175, getting 230 ACS in a match will put you way above that average. Even if you lose the match, you’ll lose less RR than you would if you had a below-average ACS, and if you win, you’ll get extra RR as a performance bonus. If your ACS is consistently above the average for your rank and agent, you’ll climb faster even if you have a 50% win rate.

That said, you shouldn’t chase ACS at the cost of winning matches. I once had a teammate on Jett who pushed A site alone every round just to get first blood, and even though he had 28 kills and 290 ACS, we lost the match 13-10 because he left us at a 4v5 disadvantage almost every round. Losing the match meant he only earned 4 RR, even with his high ACS, while if he had played more team-focused, we would have won and he would have earned 20+ RR. Winning always gives you more RR than a high ACS in a losing match, so never prioritize personal stats over team goals.

Actionable Tips to Improve Your ACS Without Throwing Games

Improving your ACS doesn’t mean you have to stop playing support or start chasing kills across the map. There are small, low-risk adjustments you can make to your playstyle that will boost your ACS over time without hurting your team’s chances of winning.

If you main an entry agent like Jett or Raze, look for controlled first blood opportunities instead of pushing every round blindly. If your team has utility to back you up, like a Sova dart or Omen flash that reveals enemies on site, taking the first pick gives you a huge ACS bonus and gives your team an early numbers advantage. You don’t have to get the first kill every round, even 2-3 first bloods per match will add 50-75 points to your total ACS.

If you main a support or controller agent, don’t sleep on spike plants and defuses. A lot of players let duelists plant the spike every time, but planting the spike gives you the same amount of points as 10% of a kill, and it’s a zero-risk action if your team already controls the site. Even if you don’t get a single kill in a round, planting the spike and getting 2 assists will give you more ACS than a player who gets one kill and does nothing else. Just make sure you’re not leaving a fight to run and plant the spike if your team still needs help clearing enemies.

Another easy way to boost your ACS is to use your utility to help teammates get kills, instead of saving it for your own plays. Throwing a smoke to block enemy vision so your teammate can push for a kill, or flashing a site to help your entry fragger get first blood, will give you an assist point that adds to your ACS, and it helps your team win the round. Small, consistent contributions every round add up to a much higher ACS than one or two big plays spread across the match.

At the end of the day, understanding what is ACS Valorant is a huge help if you want to climb the competitive ranks faster and get more out of every match. It’s not just a random number on the post-match screen: it’s a reflection of how much you’re contributing to your team’s success beyond just getting kills. You don’t have to obsess over it every round, but making small adjustments to prioritize impactful plays will help you raise your score over time, get more RR per win, and hit your rank goals faster. If you’ve been struggling to climb even with a decent win rate, take a look at your ACS after your next few matches, and see where you can add more small contributions to your play.