Competition Analysis · 10 min read
How no-gi rulesets reshaped technique selection
Read the IBJJF and ADCC rule books side by side and they stop looking like safety regulations and start looking like two different price lists for the same actions.
By Steven P, practitioner · Published
A ruleset is a price list
Every competition ruleset does two jobs. The first is obvious and gets all the attention: it says what will injure people and forbids it. The second is quieter and does most of the work. It attaches a number to each thing you might do, and by doing so it tells a room full of ambitious athletes which behaviours are worth practising for the next four years.
That second job is what this piece is about. If you want to know why a particular technique became common in a particular decade, the fastest route is usually not to watch more matches. It is to read the scoring table and ask what it pays for, what it pays nothing for, and what it actively charges you.
Two documents carry most of the weight in no-gi. The IBJJF Rule Book, version 6.1, dated June 2024, and the rules published by the Abu Dhabi Combat Club. They forbid broadly similar things. They price them very differently, and the difference is legible in what athletes at each event spend their time doing.
What the IBJJF pays for
The IBJJF table is short enough to state in full. Four points for mount, back mount and back control. Three for a guard pass. Two for a takedown, a sweep, or knee on belly. A position has to be stabilised for three seconds before the referee awards anything.
Then there is a rule that shapes behaviour more than any single value in that table. Points are cumulative through a sequence, and the rule book gives its own example: a guard pass followed by mount adds up to seven points, three plus four. The scoring system pays a bonus for continuity. It is not rewarding a pass and separately rewarding a mount; it is rewarding a chain that starts at the legs and ends at the shoulders, and it pays more for that chain than for anything you can do in one movement.
Underneath the points sit advantages, which break ties before penalties do. An advantage is the referee's record of an attempt that nearly worked. Because a match can be decided by one of them, the system quietly pays for near-misses, and the rational response is to attempt scoring positions visibly and often rather than to hold a position and wait.
Put the pieces together and the IBJJF ruleset is an argument for a particular shape of match: engage, work through a positional hierarchy in order, and be seen doing it. That is not a criticism; it is a coherent set of incentives. But it is a choice, and not the only one available.
The guard pull clauses
The single most consequential thing about the IBJJF table is what is missing from it. There is no entry for pulling guard, positive or negative. A takedown is worth two points; declining to contest the takedown and sitting down is worth zero, which is a different thing from costing you something.
The rule book has clearly been under pressure here for years, and you can read the pressure in the clauses that have accumulated around it. An athlete who initiates a takedown before the opponent initiates a guard pull gets the two points; one who initiates after the guard pull has begun does not. If you have a grip on the opponent's trousers and they pull guard, you score two points for the takedown if you stabilise on top for three seconds. Sitting down or pulling guard without first establishing a grip is a serious foul. And when both athletes pull guard at once, the referee starts a twenty-second countdown, after which, if neither has reached top position, has a submission locked, or is imminently completing a scoring move, both are penalised and the match is restarted standing.
That is four separate patches around a single hole. None of them charges a competitor for pulling guard; each of them tries to limit the tactical value of doing it. This is what a ruleset looks like when the scoring principle and the observed behaviour have drifted apart and the authority has chosen to manage the symptom.
Whether an athlete wrestles at all is therefore less a question about their preferences than about what their ruleset charges. Change the price and the behaviour changes with it.
ADCC prices the same actions differently
ADCC's published rules charge a negative point when a competitor voluntarily goes from standing to non-standing and stays there for three seconds or more. Shooting for a takedown and then pulling guard inside three seconds also draws a minus, as does putting one or both knees on the mat for more than three seconds when both competitors are standing. The position that costs nothing under one ruleset costs you a point under the other, and the wrestling that is optional at one event is compulsory at the other.
The positive table diverges just as sharply. A takedown that ends in guard or half guard scores two, but a clean takedown that ends past the guard, with at least three quarters of the opponent's back on the mat and no submission threat, scores four. A sweep works the same way: two if it ends in guard, four if it ends past it. The same physical action is worth double depending on where it finishes. Passing is worth three, back mount with hooks three, mount two, knee on stomach two.
Read those numbers next to the IBJJF's and the priority inverts. The IBJJF pays four for the back and two for a takedown. ADCC pays three for the back and four for a takedown that lands past the guard. One system pays most for the end of the positional chain; the other pays most for entering it cleanly.
Then there is the clock. In ADCC World Championship qualifying rounds, no positive points are scored in the first five minutes of a ten-minute match. In finals, absolute finals and superfights, the first ten minutes of twenty award no positive points at all, though negative points still count, and passivity draws a warning in the first half and a minus once the second half begins. For half of every match there is no scoreboard to protect. What that removes is the incentive to establish a lead and manage it; what it leaves is a long opening period where the only things worth doing are submitting somebody or setting up the position from which you will score later.
One caution about citing this ruleset. The published ADCC rules are a web page without a version number or a revision date, which makes it genuinely difficult to say what was in force at any past event. The IBJJF, whatever else it does, publishes a numbered and dated rule book and a change guide. That is a meaningful difference in how checkable the two organisations are.
No cloth changes the grip economy
Both rulesets close the obvious loophole. The IBJJF makes it a serious foul in no-gi when an athlete grabs hold of their own uniform or the opponent's in any way. ADCC forbids holding the T-shirt or the shorts. There is no fabric to hold, and the rules make sure of it.
The consequence runs deeper than it first appears. A gi grip is a mechanical latch. Once it is set it holds without further effort, it survives the opponent moving, and it can be maintained while you think. Every connection available in no-gi is the opposite: an underhook, a wrist, an overhook, a collar tie, a body lock, a leg wrapped around a limb. These are all sustained by muscular effort and by continuously correct positioning, and every one of them expires the moment your structure slips.
Once connection is expensive and temporary, three things follow, and they show up everywhere in modern no-gi. Guards that were built on holding sleeve and collar have no direct translation, because the structure they relied on was the latch rather than the geometry. Positions that connect through the skeleton rather than through cloth become disproportionately valuable, which is why inside position, head position and body locks carry so much of the modern top game. And because the top player can now break contact and reset almost at will, the bottom player's problem changes from holding an opponent in place to attaching to them.
That last point is the one that explains the most. A leg entanglement is a connection that does not need cloth and does not need the opponent's cooperation, because it wraps a limb. In a ruleset with no fabric, that is not a stylistic preference. It is one of the few ways left for a bottom player to stop somebody leaving.
January 2021 and the legs
Which is what makes 1 January 2021 the clearest single rule event in modern no-gi. On that date the IBJJF's rules update permitted heel hooks and knee reaping in adult brown and black belt no-gi divisions, having previously prohibited them across the board. Contemporary reporting recorded that inside and outside heel hooks, attacks twisting the knee, turning towards the free leg during a straight footlock, and outward pressure on a toe hold all became legal in those divisions, and that the change did not extend to masters competitors or to purple, blue and white belts.
Before that date, an athlete who wanted to build a game around leg entanglements had one major circuit that permitted it and one that did not, and had to choose. Afterwards, the two largest no-gi rulesets largely agreed at the top ranks, and the cost of specialising in that area fell sharply.
The exclusions matter as much as the permission. The IBJJF's table of prohibited techniques is organised by age bracket and by rank, which means a single event runs several different legal games in different rings on the same day. The technique that scores a submission in the adult black belt no-gi bracket disqualifies a competitor two mats over. Anybody training for competition needs to know which column of that table they are in, and it is not a question a training partner's opinion can settle.
When the rules chase the technique
The influence does not run in one direction. Rulesets shape technique, and then technique forces the ruleset to change, and the second half of that loop is usually easier to document.
The IBJJF's treatment of the 50/50 position is the clearest example. The rule book states that no advantages will be awarded for sweeps that start and end in a 50/50 guard situation, removing the reward for the reciprocal reversals that position generates. The 2024 rules update went further and added a clause to the stalling rules: an athlete in 50/50 who grips the opponent's lapel or belt has twenty seconds to pursue positional progression before being penalised, regardless of intention.
That last phrase, regardless of intention, is worth pausing on. It concedes that referees cannot reliably tell a stalled position from a developing one from the outside, and it replaces the judgement with a stopwatch. The same logic governs the twenty-second countdown on the double guard pull.
What all of these have in common is that athletes found positions the scoring system could not distinguish from progress, and the authority responded by adding time limits rather than by re-pricing the underlying positions. It is a reasonable choice and it produces a rule book that grows patches faster than it grows principles.
Training for a ruleset without being owned by one
The practical version of all this is short. Before you train for an event, read its actual rules, from the organisation's own document, in the version that will be in force on the day. Find the scoring table, find the prohibited techniques for your specific age and rank, and find how ties are broken. Those three things determine more about how you should prepare than any breakdown of anybody's game.
Then be honest about the transfer. A skill built for one price list will be mispriced under another. Wrestling that is optional at one event is compulsory at the next. A guard that is stable and unproductive is free under one ruleset and penalised after twenty seconds under a second. None of that makes anybody a worse grappler; it makes them a grappler trained for a market they are no longer competing in.
The safety note here is specific rather than general, because the 2021 change created a genuine hazard. Heel hooks and other rotational knee attacks are legal in some divisions of some events and prohibited in others, and legality varies inside a single tournament by rank and by age bracket. A rotating knee gives a training partner very little to respond to compared with a straight lock, where the direction of pressure is obvious. If you are going to work in leg entanglements, learn them in a room with a coach who supervises the tapping conventions actively, agree with your partner before the round how heel hooks will be handled, and treat any legality question about your own division as something to confirm with a qualified coach and the published rule book rather than to settle by consensus on the mat.
Where the record is contested
- The causal claim in this article is an inference, not a measurement. Reading incentives out of a scoring table and observing that technique selection matches them is not the same as demonstrating that the ruleset caused the change, and no public dataset of technique frequency by ruleset exists to test it. Influence also runs in both directions, which the 50/50 clauses show directly.
- The ADCC rules are published as a web page carrying no version number and no revision date. Any statement about what the ADCC ruleset contained at a past event is therefore difficult to verify, and this article describes the rules as published at the date of access only. The IBJJF, by contrast, publishes a numbered, dated rule book and a separate change guide.
- The IBJJF's table of prohibited techniques is laid out as a grid by age bracket and rank, and its column boundaries are not reproduced unambiguously when the published PDF is converted to text. The specific permissions described here for adult brown and black belt no-gi rest on the IBJJF's own 2021 rules-update announcement and on two independent contemporary reports, rather than on a reading of that table alone.
Sources
- IBJJF Rule Book (PDF footer reads v6.1, 2024JUN): scoring table 2.5.2, cumulative points 3.4, guard-pull provisions 3.5 and 4.1.10-4.1.12, lack of combativeness 6.2.1, serious fouls 6.2.2, 50/50 advantages 5.7.5, technical fouls tableInternational Brazilian Jiu-Jitsu Federation · consulted 2026-08-03
- New Rules Updates: heel hooks and knee reaping for black and brown belt adult no-gi divisions, valid from 1 January 2021International Brazilian Jiu-Jitsu Federation · consulted 2026-08-03
- The New IBJJF Rules For Heel Hooks And Leg Reaping in 2021FloGrappling · consulted 2026-08-03
- 2021 IBJJF Rules Update: Heel Hooks and Reaping Allowed but Not For Master CompetitorsBJJ Eastern Europe · consulted 2026-08-03
- ADCC Rules and Regulations: time limits, positive points, penalties, legal and illegal techniquesAbu Dhabi Combat Club · consulted 2026-08-03
- An Explanation of ADCC Rules And How They Differ To Other EventsFloGrappling · consulted 2026-08-03
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