ACR Poker opens Day 1A of its $66 Main Event on 13 September. It is the cheapest route into a half-million guarantee anywhere on a schedule that runs to 29 September, and by our arithmetic it is also the one that needs the biggest field to get there.
That event is one of eight multi-day tournaments still running at the room in September. Between the Online Super Series XL and the 25th Anniversary Tournament, they carry $9,725,000 in combined guarantees across a buy-in range that starts at $5.50.
The Eight Events at a Glance
OSS XL runs from 6 to 29 September across 336 events with more than $50 million guaranteed. The $250 event has been running since July and finishes in the same week.
Seven of the eight events below sit inside OSS XL. The eighth runs alongside it.
| Event | Buy-in | Guarantee | Day 1 flights | Day 2 |
|---|---|---|---|---|
| OSS XL Main Event | $2,650 | $2,500,000 | 20 and 27 September | 28 September |
| OSS XL Main Event | $1,050 | $2,000,000 | 20 and 27 September | 28 September |
| 25th Anniversary Tournament | $250 | $2,500,000 | 41 flights to 28 September | 28 September |
| Main Multi-Flight | $630 | $1,500,000 | 6 to 28 September | 28 September |
| OSS XL Main Event | $66 | $500,000 | 13 and 20 September | 27 September |
| Mystery Bounty Multi-Flight | $109 | $500,000 | 6 to 21 September | 21 September |
| Mystery Bounty Multi-Flight | $33 | $150,000 | 6 to 27 September | 27 September |
| Mystery Bounty Multi-Flight | $5.50 | $75,000 | 6 to 27 September | 27 September |
The two big Main Events and the $250 event play their final tables on 29 September. Everything else finishes on its Day 2.
Where the $9,725,000 comes from. ACR publishes three separate totals: $5 million across the Main Events, $2.225 million across the four multi-flights and $2.5 million for the Anniversary Tournament. The combined figure is ours, not theirs.
What Each Guarantee Actually Needs
A guarantee is only interesting if the field might miss it. ACR prices its tournaments as a prize-pool contribution plus a fee, so the entries needed to cover each one can be worked out.
Its own April 2026 Venom result confirms the split at the top price point exactly. That event drew 3,673 entries and produced a $9,182,500 prize pool, or $2,500 per entry to the dollar.
This series has confirmed it twice more. Both opening-day results land on the split to the dollar, which is the basis for everything below.
| Event | To prize pool | Guarantee | Entries needed |
|---|---|---|---|
| $2,650 Main Event | $2,500 | $2,500,000 | 1,000 |
| $1,050 Main Event | $1,000 | $2,000,000 | 2,000 |
| $630 Main Multi-Flight | $600 | $1,500,000 | 2,500 |
| $109 Mystery Bounty | $100 | $500,000 | 5,000 |
| $66 Main Event | $60 | $500,000 | 8,334 |
| $33 Mystery Bounty | $30 | $150,000 | 5,000 |
| $5.50 Mystery Bounty | $5 | $75,000 | 15,000 |
The top Main Event needs 1,000 entries to cover the largest guarantee on the schedule. The $66 event needs 8,334 to cover a fifth of that.
Cheap buy-ins carry the steeper field requirement, which is where overlay tends to live. The $5.50 Mystery Bounty needs 15,000 entries across 22 days of flights to clear its number.
| Event | Entries | Prize pool | Per entry |
|---|---|---|---|
| April 2026 Venom | 3,673 | $9,182,500 | $2,500 |
| OSS XL #16, opening day | 203 | $507,500 | $2,500 |
| OSS XL #13, opening day | 1,118 | $670,800 | $600 |
There is history on the other side of that. Our own reporting on the March 2026 edition had OSS XL generating more than $60 million against a $50 million target.
That came from 569,903 entries. The series covers comfortably at the top line, even in months when individual events do not.
Where these numbers come from. ACR publishes the buy-ins, the guarantees and the results. The per-entry contributions and entry counts above are ours, built on a split its own results confirm at three separate price points.
The $250 Anniversary Tournament is left out of that table because its price point does not follow the network's usual structure.
Both of those opening-day events cleared their guarantees on day one. ACR reported $7.2 million generated across the first four days of the series.
Three Main Events Carry $5 Million
The two headline Main Events run on an identical schedule. Day 1A is Sunday 20 September, Day 1B is Sunday 27 September, Day 2 is Monday 28 September and both final tables play on Tuesday 29 September.
At the top is the $2,650 buy-in with $2,500,000 on the table. The $1,050 event carries $2 million.
Both are eight-hour Day 1s with late registration open to level 32, which is deep by online standards and rewards players who can sit a full session.
| Buy-in | Day 1A | Day 1B | Day 2 | Final table |
|---|---|---|---|---|
| $2,650 | 20 September | 27 September | 28 September | 29 September |
| $1,050 | 20 September | 27 September | 28 September | 29 September |
| $66 | 13 September | 20 September | 27 September | Plays out on Day 2 |
The $66 Route Into a Main Event
The third Main Event is the outlier. It carries $500,000 for a $66 buy-in, and it starts a week before the other two.
Day 1A is 13 September, with Day 1B following on 20 September. Day 2 runs on Sunday 27 September and plays to completion rather than pausing for a separate final table.
ACR is running $6.60 satellites into it, which is a hundred-to-one ladder into a half-million prize pool. Anyone taking that route should read our guide to playing satellite tournaments profitably first, because satellite strategy and tournament strategy diverge sharply near the bubble.
Four More Multi-Day Tournaments Worth $2.225 Million
The Main Events are not the only multi-day route. Four multi-flight tournaments carry another $2.225 million between them, and three of them use the Mystery Bounty format.
The largest is the $630 Main Multi-Flight with $1.5 million guaranteed. Day 1 flights have been running since 6 September and continue through to Day 2 on Monday 28 September.
The Mystery Bounty events sit underneath it at three price points.
| Buy-in | Guarantee | Flights | Day 2 |
|---|---|---|---|
| $109 | $500,000 | 6 to 21 September | Monday 21 September |
| $33 | $150,000 | 6 to 27 September | Sunday 27 September |
| $5.50 | $75,000 | 6 to 27 September | Sunday 27 September |
The $109 event is the first of the eight to finish. Its flights close on 21 September and Day 2 plays the same afternoon.
Mystery Bounty fields at this buy-in have shown they can build. The Run Up Series $66 Mystery Bounty passed 1,200 entries earlier this year on a similar structure.
The Anniversary Tournament Rewards Qualifying Twice
Running alongside OSS XL is ACR's 25th Anniversary Tournament, a $250 buy-in with $2.5 million guaranteed. It started on 18 July and finishes in the same week as everything else.
The schedule has expanded since launch. ACR now lists 41 Day 1 flights, 31 Turbo and 10 Regular, against the 21 it published in July.
| Step | Buy-in | Seats guaranteed | Feeds |
|---|---|---|---|
| Super Satellite | $1.05 | 25 | The $11 Mega |
| Mega Satellite | $11 | 25 | Saturday's $250 Day 1 Turbo |
What separates it from the other seven is the cumulative-stack format. Advancing from more than one Day 1 does not mean choosing your best bag.
Stacks Combine Rather Than Compete
Qualify once and that stack carries to Day 2. Qualify again and the second stack is added to the first.
That inverts the usual multi-flight decision. In a standard multi-flight, a player holding a Day 2 seat has no reason to fire again unless the new stack would beat the old one.
Here every additional qualification is pure gain, which means the players arriving on Day 2 with the biggest stacks will mostly be the ones who fired the most bullets. Our full Anniversary Tournament breakdown covers the flight schedule in detail.
The satellite route starts at $1.05 and runs in two steps, shown above.
Everything Lands on Three Days
The eight events have spent September running on separate tracks. They converge at the end of the month.
| Date | What plays |
|---|---|
| Sunday 27 September | Day 1B of both big Main Events, Day 2 of the $66 Main Event, Day 2 of the $33 and $5.50 Mystery Bounties |
| Monday 28 September | Day 2 of the $2,650 and $1,050 Main Events, the $630 Multi-Flight and the Anniversary Tournament |
| Tuesday 29 September | Final tables of the $2,650 Main Event, the $1,050 Main Event and the Anniversary Tournament |
Sunday 27 September is the pinch point. A player still holding live entries in several of these will have to choose which ones to contest properly.
Anyone yet to qualify has flights running to 27 September. Anyone already through has until then to decide how many more bullets a bigger Day 2 stack is worth.
The March edition passed $22 million in week one. Fields at the back end of these series tend to arrive late rather than early.
For results from the Main Events and the Anniversary final table at the end of the month, follow our poker news page.
