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DYNATYZE
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Drawn from the officially scored play-by-play, which lands usually within two hours of the final, or the next morning when its release runs late.
The model against the market, the momentum underneath, every drive — scrub to replay it
How the game was won
The model and the market were 3.6 win-probability points apart on the average play, and 11 apart at the widest — with the model the more convinced about 49ers.
MarketModelmodel higher on Ramshigher on 49ers149 of 157 plays carry both curves
Q2 · 4:3549ers 9 — Rams 7SF ball · 2nd & 6LA 59%
49ers 41%Rams 59%
(4:35) 13-B.Purdy pass deep middle to 11-D.Robinson for 39 yards, TOUCHDOWN.
Swing −12.4 for RamsExpected points −4.06 for RamsThe model had 49ers 3 points higher than the market did.play 63
The solid line is the betting market's home win probability; the dashed line is the play-by-play model's. The shaded band between them is the disagreement — emerald where the model liked the home team more, red where it liked the away team more. Drag across the curve or use arrow keys to replay the game; gold diamonds mark the biggest swings.
Highest-leverage plays
2nd · 4:35LA +12% win prob(4:35) 13-B.Purdy pass deep middle to 11-D.Robinson for 39 yards, TOUCHDOWN.
1st · 1:31LA +9% win prob(1:31) (No Huddle, Shotgun) 9-M.Stafford pass deep right to 12-P.Nacua to SF 8 for 41 yards (36-M.Sigle; 0-R.Green).
3rd · 3:27LA +8% win prob(3:27) 13-B.Purdy pass short left to 89-L.Farrell to SF 15 for 14 yards (5-K.Kinchens).
1st · 2:01SF +8% win prob(2:01) 15-C.Waitman punts 43 yards to LA 32, Center-46-J.Weeks. 19-X.Smith to LA 43 for 11 yards (53-J.Dugger; 24-A.Davis).
2nd · 12:09SF +8% win prob(12:09) 13-B.Purdy pass short right intended for 85-G.Kittle INTERCEPTED by 37-Q.Lake at LA 31. 37-Q.Lake to LA 31 for no gain (85-G.Kittle).
3rd · 3:46SF +7% win prob(3:46) 9-M.Stafford right guard to SF 1 for no gain (92-O.Odighizuwa). The Replay Official reviewed the short of the goal line ruling, and the play was Upheld. The ruling on the field stands.
SettledThe modelled figures are the league play-by-play model's, not ours.
How the points landed
The margin ledger
Demarcus Robinson's 39-yard touchdown catch with 4:35 left in the 2nd put San Francisco 49ers ahead for good. The lead never changed over the 3 scores that followed.
Lead
1st6:17Eddy Pineiro·20-yd field goal20-yard field goalholder C.Waitman · snap J.Weeks+33–0
4th9:48Eddy Pineiro·56-yd field goal56-yard field goalholder C.Waitman · snap J.Weeks+327–7
6 scores · bar length is the lead after each one
Down-to-down truth
Situational splits
49erscategory by categoryRams
49ers8–0Rams
379Total yards291
5.9Yards per play5.2
56%Success rate43%
58%Third-down rate22%
2Red-zone touchdowns1
6Explosive plays4
22First downs14
0Sacks taken0
1Turnovers2
The read
49ers ahead 8–0 on categories, including the biggest gap of the duel — third-down rate.
Expected points added, per play
The centre line is an average play. A bar to the right of it is a side that gained more than the situation was worth; a bar to the left is a side that lost ground. All six bars share one scale, ±0.35 points.
Every snapexpected points added per play, all downs
+0.1849ers: +0.18 expected points added per play
−0.26Rams: −0.26 expected points added per play
Dropping backexpected points added per dropback
+0.2149ers: +0.21 expected points added per play
−0.35Rams: −0.35 expected points added per play
Running itexpected points added per rush
+0.1449ers: +0.14 expected points added per play
−0.17Rams: −0.17 expected points added per play
Neither side “wins” volume or play-calling mix, so neither is drawn as a duel: 49ers ran 64 snaps at a 56% dropback rate against Rams’s 56 at 52%. Red-zone trips: 49ers 4, Rams 3.
Note49ers won the down-to-down efficiency fight: 0.18 expected points added per play vs -0.26.
Derived from the play-by-play, no model
The Read
12 of 12 readings cleared their snap floor and were tested against four comparisons: this week's whole slate, the team's own season, the week before, and the team's own ordinary spread. Every bar below is set in that team's own week-to-week swing, never in league points — one team's swing runs 1.6 to 3.1 times the entire league's spread.
Too few to read
1 of 12 readings cleared their snap floor in this game, which is under the three this column needs before it will draw the rule. The readings themselves stand.
highest in the league that weekAgainst the weekFourth Down
LA's fourth-and-short go rate, 75.0%, was the highest of the 20 team-games charted in week 1 — 8.3 points clear of the next team along.
4 fourth-and-short calls this game, floor 3 — 4 of their games behind the ruler, and their own week-to-week swing is 22.6 points. · +1.5σ from their own normal
The season-grain rooms, pointed at this one game
Was this normal for them?
12 of 12 readings cleared their snap floor. Every deviation below is measured in that team's own game-to-game swing, not in league points — because one game's swing runs from 1.6 to 3.1 times the whole league's spread.
their week-to-week swingall 32 teams
upper band = their week-to-week swing · lower rule = all 32 teams · scale -24 pts to 24 pts
leaned — got home · +10.5 vs their 17.0%, and they swing ±8.6 week to week (+1.23× that swing) · 29 dropbacks
Rams5.6%
inside their normal wobble · −6.7 vs their 12.3%, and they swing ±7.9 week to week (−0.85× that swing) · 36 dropbacks
NoteLA's pass rate over expected was the night's one real departure: -17.3 pts, 17.4 points below their season mean of 0.1 pts and 1.8 times their own 9.5-point weekly swing.
The Game Day Roster
Who was out, who dressed and never took a snap, and who was on the field how much. Game-day list and snap counts from the weekly roster and snap feeds. Practice-squad and injured-reserve players are not shown — they were never on the game-day list.
San Francisco 49ers
48 dressed · 6 inactive · 1 never used
77Dominick PuniG · Every snap100%65 snaps
68Colton McKivitzT · Every snap100%65 snaps
75Connor ColbyG · Every snap100%65 snaps
71Trent WilliamsT · Every snap100%65 snaps
13Brock PurdyQB · Every snap100%65 snaps
64Jake BrendelC · Every snap100%65 snaps
5Mike EvansWR · Heavy rotation75%49 snaps
89Luke FarrellTE · Heavy rotation71%46 snaps
11Demarcus RobinsonWR · Heavy rotation63%41 snaps
23Christian McCaffreyRB · Heavy rotation55%36 snaps
2 players played under 8 snaps, so their shares read as a dash rather than a number. 3 lines have no expected-points read and sit off the plane.
Expected points are modelled in full PPR, so the “vs expected” column stays in that unit whichever format the pills are set to. Switching the pills changes the points column, not the plane.
The field map
Every snap, where it happened
The whole game as one hundred yards. The Rams attack right, the 49ers attack left, so a change of possession is a reversal you can see. Reading down is the order the snaps were played — not the clock, so a two-minute drill gets the same room as any other fourteen snaps. This game is final.
49ers←Rams→
Q1Q2Q3Q4
B.Purdy pass+12% win probabilitymoment 3 of 4
(4:35) 13-B.Purdy pass deep middle to 11-D.Robinson for 39 yards, TOUCHDOWN.
Q2 4:35 · 49ers · 2nd & 6 at LA 39 · gained 39 · +4.06 EP · +12.4% win probability
147 snaps placed · 10 without a recorded yard line, left off the map · 4 marked moments — the largest win-probability swings, one per drive.
The Film Room · post-game
Post-game film: 157 plays across 19 drives, manual charting on 152. Everything here paints the morning after the week's games — there is no live play-level feed in this product, so nothing on this page updates while a game is being played.
Possession by possession
The field rail
6 of 19 drives ended in points. The longest march was SF moving 99 yards from the SF 1 for a touchdown. Each bar is the ground a drive actually covered; LA attacks right, SF attacks left. Hatching marks a trip inside the twenty.
Every snap
Play stream
157 of 157 plays
Team
Quarter
Down
Play type
Expected points added
Event
Charted
Plays shown
157
EPA per play
-0.02
Success rate
48%
Yards
669
Who was on the field
Personnel groupings
No personnel grouping was recorded for this game, so the film shows the play detail without a groupings breakdown rather than a column of dashes.
157 plays · ranked by the win probability each one moved
Every play
Ball
When
Play
Only
Who
157 plays
Bar length is win probability the play moved
1st quarter37 plays
Punt5 plays, from the Rams 17 to the Rams 26
49ers3Rams0
Field goal15 plays, from the 49ers 33 to the Rams 2
Punt8 plays, from the Rams 25 to the Rams 40
Punt4 plays, from the 49ers 17 to the 49ers 25
How the play was built
Shotgun, no huddle, nobody in motion.
Four rushed the passer, seven in the box.
Thrown on the first read, caught in traffic.
The period ended4 plays, from the Rams 43 to the 49ers 8
2nd quarter44 plays
49ers3Rams6
49ers3Rams7
Touchdown2 plays
Intercepted8 plays, from the 49ers 31 to the Rams 46
Intercepted7 plays, from the Rams 31 to the 49ers 35
How the play was built
Under center, empty backfield, a man in motion.
Four rushed the passer, six in the box.
Thrown on the second read.
49ers9Rams7
49ers10Rams7
Touchdown10 plays, from the 49ers 14 to the Rams 39
Punt7 plays, from the Rams 35 to the 49ers 42
Punt8 plays, from the 49ers 8 to the 49ers 49
The period ended2 plays
3rd quarter33 plays
49ers16Rams7
49ers17Rams7
Touchdown10 plays, from the 49ers 49 to the Rams 2
Turnover on downs15 plays, from the Rams 27 to the 49ers 1
The period ended8 plays, from the 49ers 1 to the Rams 49
4th quarter43 plays
49ers23Rams7
49ers24Rams7
Touchdown5 plays, from the Rams 31 to the Rams 15
Fumble lost7 plays, from the Rams 23 to the Rams 39
49ers27Rams7
Field goal4 plays, from the Rams 43 to the Rams 38
Turnover on downs7 plays, from the Rams 32 to the 49ers 49
The period ended8 plays, from midfield to the Rams 34
The period ended12 plays, from the Rams 42 to the 49ers 15
Win probability is the league play-by-play model, 98.5% of plays · a dash means none was published
The cards are drawn from the charted play-by-play, not live, and each one says so on its face.
Closing number vs result
Betting context
Closing spread
Rams -3.5
Closing total
47.5
49ers moneyline
+180
Rams moneyline
-218
Rams closed -3.5 and lost outright — an upset against the closing number.
Total closed 47.5; the game landed 34 — under by 13.5.
Conditions and crew
Game environment
Venue
Melbourne Cricket Ground
Roof / surface
dome · grass
Kickoff weather
Played indoors — no weather to report.
Referee
Alex Kemp
Rest
49ers 7 days · Rams 7 days
Coaches
Kyle Shanahan vs Sean McVay
NoteDivision game — familiarity tightens these matchups; closing numbers tend to be sharper.
3rd · 7:53LA +7% win prob(7:53) 9-M.Stafford pass deep middle to 12-P.Nacua to SF 19 for 23 yards (2-D.Lenoir; 36-M.Sigle).
2nd · 3:10SF +7% win prob(3:10) (Shotgun) 9-M.Stafford pass incomplete short middle to 12-P.Nacua. PENALTY on LA-71-W.McClendon, Offensive Holding, 10 yards, enforced at SF 42 - No Play.