Most semi-competitive R6 Siege teams do some form of replay review — usually someone shares their screen, the team watches the worst rounds back, and discussion follows. This process is better than nothing, but it's slow, subjective, and misses a huge amount of what actually happened.
Pro teams supplement in-game replay viewing with structured data analysis. Here's how to think about it.
The Problem with Raw Replay Watching
The in-game replay viewer is a single perspective. You're watching what you saw, not what the enemy saw. Even if you switch perspectives, you can only look at one thing at a time. The human brain is also notoriously bad at pattern recognition across multiple rounds — you'll remember the dramatic moments but miss the systematic mistakes.
Consider what you can't easily see by just watching replays:
- Your team's bomb site win rate on a specific map over 20+ matches
- Which player consistently loses the opening duel on defence
- Your operator pick rate vs. your win rate per operator
- How quickly you typically win or lose rounds (rush vs. execute tempo)
- Kill feed patterns — who kills who, where, and in what order
These patterns only become visible when you analyse data across many matches, not one replay at a time.
What the .rec File Contains
Rainbow Six Siege saves a .rec file for every match you play. These files contain structured data about everything that happened:
- All player names and team assignments
- Every kill event — killer, victim, weapon, timestamp, position
- Operator picks per player per round
- Round outcomes and game mode data
- Bomb plant and defuse events
The .rec format is a proprietary binary format, but it can be parsed. This is exactly what analytics platforms like matchanalytics.eu do — they extract all of this data from your .rec file and present it in a way you can actually act on.
A Structured Review Process
Whether you're using manual review or automated analysis, a structured process produces better results than open-ended replay watching. Here's a framework used by organised teams:
1. Start with the score sheet
Before watching a single round, look at the aggregate stats. Which player had an unusual KD? Which side (ATK or DEF) did you win or lose? Were there specific rounds where multiple players died before a single kill? These anomalies tell you where to focus your replay time.
2. Identify losing patterns, not just losing rounds
One lost round is an event. Three lost rounds with the same structure — same operator, same site, same outcome — is a pattern. Look for patterns. Common ones:
- Consistently losing when playing a specific bomb site on defence
- ATK hard breach attempts failing in the same area
- Roamer dying within the first 20 seconds every time without a trade
3. Break rounds into phases
Every Siege round has three distinct phases:
- Early (0 – 45s): Drone phase ends, roamers engage, first contact
- Mid (45 – 120s): Utility spending, setup, positional adjustments
- Execute (120s+): Plant attempt, post-plant, clutch situations
Your team might be excellent in the early phase and consistently fall apart in the execute phase — or vice versa. Splitting your kill data by phase reveals this immediately.
4. Review operator efficiency
Is your Jäger player actually winning rounds? Is your Ash player fragging out on entry or dying first? Operator win rate and KD per operator, split across ATK and DEF, reveals whether your team's role assignments are optimal or habitual.
5. Check bomb site win rates
Not all bomb sites are equal for your team. If you consistently lose on a specific site, the question isn't "why did we lose that round" — it's "do we have a prepared setup for that site or are we improvising?" Data across multiple matches makes this obvious.
The Time Problem
A 20-round match takes at least 30–40 minutes to watch even at double speed. If you're playing three scrims a week, that's 2+ hours of raw footage to review — before any analysis. Most teams simply don't have that time.
Automated analysis solves this. When the data is extracted from the .rec file and presented as tables and charts, a coaching session can focus on the three or four rounds that actually need review — not every round, every time.
What to Do with the Data
Analytics without action is just observation. After every match review session, define:
- One tactical adjustment — a specific change to your site setup, roam route, or plant timing
- One individual focus — a specific player gets feedback on one concrete pattern
- One metric to watch — track it over the next 2–3 scrims to see if it improves
Teams that close the loop between analysis and in-game behaviour improve measurably. Teams that just "watch replays" often repeat the same mistakes for months.
Building a Review Habit
The most important factor isn't the quality of your analysis tools — it's consistency. A 15-minute data review after every scrim produces more improvement over a month than a 3-hour session once every two weeks. Make it part of the post-match routine, and the data accumulates into genuine insight.
Automated R6 Siege Replay Analysis
Upload your .rec files and get instant stats: kill feed, operator efficiency, bomb site win rates, round phases, opening duels and more. No manual review required.
Try matchanalytics.eu free →