Poker Blind Structures Explained: The Complete Guide

A blind structure is the schedule a tournament runs on: what the blinds are at the start, how long each level lasts, how much they rise each time, and when the antes and breaks arrive. Almost everything a host wants to control about the evening (how long it runs, how much real poker gets played, whether it ends in a coin-flip contest) is set by those few numbers. This guide explains each of them in turn, gives the rules of thumb that produce a structure that lands on time, and finishes with three complete structures for a two, three and four-hour game that you can copy as they are.

What is a blind structure?

A blind structure is the level-by-level schedule of forced bets in a poker tournament: the small blind, big blind and ante at each level, how many minutes each level lasts, and where the breaks fall. Every tournament has one, written down or improvised, and it decides how long the game runs and how much real poker gets played.

The reason it matters so much is that the chips on the table never change. Ten players with 10,000 each is 100,000 chips at the first hand and 100,000 at the last, whoever holds them. What changes is the blinds. At 50/100 a 10,000 stack is 100 big blinds and a player can fold for an hour without noticing; at 1,000/2,000 the same stack is five big blinds and the next hand is probably the last. A tournament ends not when players run out of chips but when the blinds have grown large enough to force the chips together, and the structure is what decides how quickly that happens.

Four settings do nearly all the work: how long each level lasts, how deep the starting stacks are in big blinds, how much the blinds rise per level, and when antes start. Breaks and colour-ups are the housekeeping around them. Each gets a section below, in the order you should decide them.

How long should each blind level be?

Fifteen minutes for a weeknight game with ten players that needs to finish in about three hours, twenty minutes when you have four hours, and thirty minutes only for a deep, all-day event. Level length multiplies with the number of levels, so it is the second-biggest lever on finish time after the rate the blinds rise.

A self-dealt home table gets through roughly 20 to 25 hands an hour, so a 15-minute level is five or six hands, a 20-minute level seven or eight, and a 30-minute level ten to twelve. Below 15 minutes, players can go a whole level without seeing the button, and the game becomes a matter of which hands you were dealt in a particular ten minutes. That is what a turbo is, and it is fine if everyone knows in advance. Ten to twelve minutes is turbo territory.

The number of levels a field needs is set by its size and depth, not by the clock, so level length simply scales the whole evening. Ten players at 100 big blinds need about eleven levels to finish; twenty players need about thirteen, because there are twice as many chips to consolidate. Multiply by the level length, add the breaks, and you have the night.

Level length	10 players	20 players	What it feels like
10 minutes	2 h 10	2 h 40	Turbo: four or five hands a level
15 minutes	3 h 05	3 h 45	Brisk; the weeknight choice
20 minutes	4 h 00	4 h 50	The classic; needs a free evening
30 minutes	5 h 50	7 h 00	Deep; a Saturday or a marquee event

Two things follow from the table. First, there is no such thing as a three-hour, 20-minute-level game for ten players with a sensible climb; if you want both, you must start shallower or shorten the later levels. Second, going from ten players to twenty only adds two levels, which is why a two-table night is not twice as long as a one-table night. How long blind levels should be goes deeper into the trade-offs, including what to do when the last three players are still deep and the clock says midnight.

What should the starting blinds and stack be?

Give every player a starting stack worth 100 big blinds: 10,000 chips with opening blinds of 50/100, or 5,000 at 25/50. Use 50 big blinds for a turbo and 150 to 200 for a deep-stack game. The chip count itself is cosmetic; the number of big blinds it represents at level one is what sets the depth of play.

Hosts argue about whether to hand out 5,000, 10,000 or 20,000 chips, and it makes no difference on its own. What players feel is the stack divided by the big blind. Fifty big blinds is shallow: a raise and a re-raise commit a third of the stack, and by the second break most of the table is playing push-or-fold. One hundred big blinds allows a raise, a call and a decision on the flop with plenty behind, which is the game most people came for. Above 150 the early levels are slow, which is a feature for a deep-stack Saturday and a flaw on a Tuesday.

Starting big blinds	Depth	What it produces
40 or fewer	Very shallow	Push-or-fold inside two levels; a lottery
50	Turbo	Quick and aggressive; fine for two hours if everyone knows
100	Standard	A raise, a call and a real decision on the flop; the benchmark
150–200	Deep	Slow early levels, more skill expressed; needs a longer night
300 or more	Very deep	Marquee events only; plan six hours or more

Pick the starting stack to suit your chip set, then pick the opening blinds to give the depth you want. A 10,000 stack at 50/100 and a 5,000 stack at 25/50 are the same tournament; the first needs 25-value chips for the small blind and the second needs them for both blinds. Either way, the first level should use a chip every player has plenty of: opening at 25/50 with two 25-chips per stack is a colour-up waiting to happen. Chip distribution lays out stacks that fit each opening level, and what the starting blinds should be and how many big blinds players should start with cover the two halves of the decision in more detail. If you are torn between a fast night and a deep one, turbo vs deep stack is the comparison.

How fast should the blinds go up?

Raise the big blind by 25 to 50 percent at each level, which gives the familiar ladder of 100, 150, 200, 300, 400, 600, 800, 1,200, 1,600, 2,000. Doubling every level looks tidy but halves everyone’s stack depth each time, and a 100 big blind tournament played that way is over in about 90 minutes.

The percentage matters more than the chip amounts because players experience the blinds as a fraction of their stack. A step of 50% (200 to 300) takes a third off everyone’s depth in big blinds; a step of 33% (300 to 400) takes a quarter; a double takes half. Alternating 50% and 33% steps, which is what the ladder above does, cuts depth by roughly 40% a level, and that is the pace a 100 big blind stack can absorb for ten or eleven levels before the chips are forced together.

Doubling is a different animal. From 50/100, five doubles reach 1,600/3,200. Ten players with 10,000 each have 100,000 chips on the table, which at 3,200 a big blind is 31 big blinds for the whole table: the tournament is essentially over inside level six. At 15-minute levels that is about 90 minutes; at 20-minute levels, two hours. The first three levels feel normal, then the depth falls off a cliff and the last hour is all-in or fold. If you have ever run a night that was going beautifully and then ended in twenty minutes of shoving, the blinds doubled somewhere.

Level	Doubling (100% a level)	Standard (25–50%)	Gentle (mostly 20–33%)
1	100	100	100
2	200	150	150
3	400	200	200
4	800	300	250
5	1,600	400	300
6	3,200	600	400
7	6,400	800	500
8	12,800	1,200	600
Chips in play at level 8, as big blinds	8	83	167
Ten players finish around	Level 6	Level 11	Level 15

The one accepted double is the first step from 25/50 to 50/100, because there is no chip for 37/75 and everyone is still 100 big blinds or more deep when it happens. The same jump from 50/100 straight to 100/200, skipping 75/150, is the most common home-game mistake, and the fix costs nothing: one extra level. The gentle column is not wrong either, it is simply a six-hour structure; where you sit inside the 25–50% range is the fine adjustment on length once the depth and level time are fixed.

Estimating the finish is short arithmetic. A tournament is in its last level or two once all the chips in play add up to about 30 to 40 big blinds, because by then the average stack is push-or-fold and the last few players bust quickly. Take the total chips, divide by 35, and find the level whose big blind is about that size: for 100,000 chips that is a big blind near 3,000, which is level 11 of the ladder. Eleven levels at 15 minutes plus two breaks is three hours. The six-hour structure uses the same ladder with longer levels and a deeper start.

When should antes start, and which kind?

Start antes at level 4 to 6, once a pot of just the blinds is no longer worth fighting for, and use a big blind ante equal to one big blind, posted by the player in the big blind on behalf of the whole table. A per-player ante does the same job but takes longer to collect every hand.

Antes exist to make sure there is something worth stealing. Early on, a pot of one and a half big blinds is hardly worth a raise; once antes go in, every pot has another big blind in it before the cards are dealt, and players start fighting for it. That extra dead money also speeds the tournament up slightly, because more chips are forced into the middle on every hand, which is worth remembering if your structures tend to run long.

The big blind ante is the version nearly every card room has switched to: the player in the big blind posts one extra big blind as the ante for the whole table, one chip, once a hand, with nothing to collect. The per-player ante has each player post a small chip every hand, typically 10–25% of the big blind, which adds up to roughly the same amount but has to be gathered and counted eight or nine times a hand. In a self-dealt game that is a real cost in hands per level. Big blind ante vs traditional ante compares the two in full, including what to do when the big blind cannot cover both the blind and the ante (decide before the night, and say it out loud). When antes should start covers the timing in more depth.

Level 4 is the right start for a turbo, level 5 for a standard game and level 6 for a deep one, which in every case lands around the first break: late enough that the opening levels are about poker rather than pot odds, early enough that the ante is in place when stacks begin to shorten.

Where do breaks go?

Take a ten-minute break every four or five levels, which is roughly every hour to eighty minutes of play, and schedule each colour-up on a break. A two-hour turbo can get by with one five-minute pause; a game of three hours or more needs at least two full breaks, and twenty players need three.

Breaks do three jobs beyond letting people stretch. They end the rebuy period and take the add-on, if you have one. They are when tables get balanced or combined. And they are when colour-ups happen, which is the part that decides exactly where a break sits. A colour-up removes the smallest chip once no blind or ante needs it: each player changes up their small chips for the next denomination, and any remainder is settled by a chip race (one card per leftover chip, highest cards win a full chip) or simply rounded up in the player’s favour, which is simpler at home and costs the prize pool nothing.

Ten minutes is the right length. Shorter and the colour-up and the kitchen queue do not both fit; longer and the game loses its rhythm and the restart drifts. Announce the restart time when the break starts, and start the clock at that time whether or not everyone is seated. Blinds are posted for absent players, and after one night of that nobody is late back.

How do rebuys change the structure?

Rebuys add chips to a tournament after it has started, so a structure sized for the starting chips alone will finish late. Plan for them by ending the rebuy period at the first break, counting each rebuy as one more starting stack, and adding a level for every 40 percent of extra chips. A freezeout needs none of that.

The arithmetic follows from the climb rule. Each level of the ladder raises the blinds by about 40%, so every 40% added to the chips in play pushes the finish back by roughly one level. Ten players buying in for 10,000 is 100,000 chips; four rebuys and six add-ons of half a stack add 70,000, which is about two levels, or half an hour at 15 minutes a level. Either write those two levels into the structure and tell people the night is three and a half hours, or accept that the last levels get shortened on the night.

Rebuys also change the early play. Players who know they can buy back in gamble more in the first hour, so the rebuy period is livelier and busts come faster, which partly cancels the extra chips. Two habits keep it under control: the rebuy period ends at the first break, with no exception for the player who busts on the last hand before it, and a rebuy is always a full starting stack at the original price, not whatever amount is asked for. Rebuys explained covers the formats, and how long the rebuy period should last covers the one decision that matters most.

Ready-made structures you can copy

Three complete structures, each built from the rules above. The minutes add up to the stated length including breaks, the blinds follow the 25–50% ladder, and each is sized so that the chips in play are worth about 30 to 40 big blinds at the last scheduled level. All three assume no-limit hold’em, a big blind ante, and a chip set with 25, 100, 500 and 1,000 values (plus a 5,000 for the deep game).

Two hours, turbo, 8 players

A 5,000 stack at 50/100 gives 50 big blinds, which is what makes this a turbo. The first five levels are 15 minutes so the full table gets some poker in; the last four are 10 minutes to bring three or four players home. Antes start at level 4 and there is one short break for the colour-up. This is deliberately shallow: expect all-in play well before the break, and say so when you invite people.

Level	Small blind	Big blind	Ante	Minutes
1	50	100	None	15
2	75	150	None	15
3	100	200	None	15
4	150	300	300	15
5	200	400	400	15
Break, 5 minutes. Colour up the 25s.
6	300	600	600	10
7	400	800	800	10
8	600	1,200	1,200	10
9	800	1,600	1,600	10

Three hours, standard, 10 players

A 10,000 stack at 50/100 is the 100 big blind benchmark. Ten players at that depth is a four-hour game with 20-minute levels; 15-minute levels bring it in at three with the same ladder and the same number of levels. The first break carries the 25s out, the second carries the 100s. If the night runs past level 11, continue at 2,000/4,000 for 15 minutes; it will not need more.

Level	Small blind	Big blind	Ante	Minutes
1	50	100	None	15
2	75	150	None	15
3	100	200	None	15
4	150	300	None	15
Break, 10 minutes. Colour up the 25s; rebuy period ends.
5	200	400	400	15
6	300	600	600	15
7	400	800	800	15
8	600	1,200	1,200	15
9	800	1,600	1,600	15
Break, 5 minutes. Colour up the 100s.
10	1,000	2,000	2,000	15
11	1,500	3,000	3,000	15

Four hours, deep, 20 players

Deep means the starting depth, 150 big blinds, not slow levels: twenty players at 30-minute levels is a seven-hour night. The extra depth buys real poker for the first two hours across two tables, and the 15-minute levels bring the final table home. Antes wait until level 6, and the third break is where the two tables have usually become one and the 500s come out.

Level	Small blind	Big blind	Ante	Minutes
1	50	100	None	15
2	75	150	None	15
3	100	200	None	15
4	150	300	None	15
Break, 10 minutes. Colour up the 25s; rebuy period ends.
5	200	400	None	15
6	300	600	600	15
7	400	800	800	15
8	600	1,200	1,200	15
9	800	1,600	1,600	15
Break, 10 minutes. Colour up the 100s; balance the tables.
10	1,000	2,000	2,000	15
11	1,500	3,000	3,000	15
12	2,000	4,000	4,000	15
Break, 10 minutes. Colour up the 500s; combine to one table if not already done.
13	3,000	6,000	6,000	15
14	4,000	8,000	8,000	15

The dedicated two-hour, three-hour and four-hour structure pages walk through each of these with the reasoning level by level and the variations for different player counts. For a different stack, field or target length, the free blind structure calculator generates the level table from those three inputs.

How do you know a structure worked?

A structure worked if the tournament finished within about 15 minutes of the target, the first break arrived with the average stack still above 30 big blinds, and the last three players were making real decisions rather than shoving every hand. If one of those failed, change one variable for the next game, not all of them.

Keep a note of three numbers after each game: the level the tournament ended in, the level at which the first player was blinded into an all-in, and how many players were left at each break. After two or three nights the pattern is obvious, and each fault points at one setting.

• Finished more than 30 minutes early. The ladder is too steep for the depth. Add 75/150 if it is missing, or add one level to the late stages (1,200/2,400 between 1,000/2,000 and 1,500/3,000) rather than lengthening every level.

• Ran more than 30 minutes late. Shorten the levels after the second break to 10 minutes, or start antes one level earlier. Leave the opening levels alone; they are the part people enjoy.

• All-in play before the first break. The start is too shallow or the early steps too big. Check that the stack is 100 big blinds at level 1 and that no early step exceeds 50%.

• The final three shoved every hand. The late steps are too big for what is left. Insert an intermediate level (1,200/2,400 or 2,500/5,000) and give the last levels their full length.

• A colour-up mid-level. Move the break so it sits immediately before the first level that does not need the small chip.

Whatever you change, change one thing and run it again. A structure that lands within 15 minutes of the target three nights in a row is finished; save it and stop tinkering. Keeping a tournament on time covers what to do on the night when the plan is right and the players are not.

Where The Club House fits

All of this works with a printed sheet and a phone timer, and for a one-off night that is fine. What wears thin is rebuilding the same structure every month and being the person who watches the clock. In The Club House, a structure is built once in the structure builder (levels, antes, breaks), saved as a template and attached to any tournament, or generated automatically from the number of players, the starting stack and the length you want the night to run. The tournament clock then plays it: levels, antes and breaks advance on their own, with sounds, and the TV, the host’s laptop and every player’s phone show the same clock in real time. The free plan runs a full single-table tournament for up to nine players from the first hand to the payout. Blind structures and templates shows how it works, and if you only want the numbers, the blind structure calculator needs no account.

Frequently asked questions

Your next step

Pick the structure above that matches the evening you have, check it against your chip set before the night, and write the restart times on the sheet. If it is your first night as host, how to host a poker night covers everything around the structure: the buy-in, the payouts and the house rules.