Guillotine Submission From Top Half Guard - BJJ
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Guillotine Choke From Top Half-Guard·Jon Foster
A guillotine submission from top half guard position for Brazilian Jiu-Jitsu, submission grappling or MMA. This set up c…
Guillotine Choke From Top Half-Guard
Speciesギロチンチョーク(Girochin Chōku)
TransliterationTranslation: Guillotine Choke (katakana loanword); also フロントチョーク
Overview
The guillotine choke from top half-guard is applied when the top player wraps the bottom player's neck in a guillotine grip while the bottom player retains a half-guard. [1],[2] The top player typically catches the guillotine when the bottom player dives for an underhook or attempts to come to a single-leg, then maintains the grip while working to free the trapped leg. [1] The attacker can finish by sprawling the hips to increase pressure, or by stepping over to mount or full guard while maintaining the neck wrap. [1],[2]
History & Origin
Guillotine attacks from half-guard top developed in competitive no-gi grappling and MMA as practitioners recognized the submission opportunity created when half-guard players dive headfirst for underhooks. [1],[2] The technique became increasingly common in the 2010s as half-guard became the dominant guard in MMA, creating frequent exposure of the neck during the underhook battle. [1] This positional variant bridges the guard-passing game with front headlock submissions. [1],[2]
Effectiveness
The guillotine from top half guard catches opponents during underhook battles — the head naturally enters guillotine range when fighting for the underhook. The leg entanglement prevents escape. [1]
Lineage
Evolved as half guard became a dominant guard position in modern BJJ. The guillotine counter to the underhook attempt developed as a systematic response to aggressive bottom half guard play. [1]
Competition Record
Increasingly common in competition as half guard play has become more sophisticated. Both gi and no-gi competitors use the top half guard guillotine as a primary guard-passing weapon. [1]
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Biomechanical Mechanism
Primary Action — Compression of the neck structures — restricts blood flow or airway depending on technique application
Joints Involved — Cervical spine, surrounding musculature, and vascular structures of the neck
Force Vector — Directed compression against the neck from the choking limb or body position
Finishing Mechanic — Sustained pressure causes either vascular occlusion (unconsciousness) or tracheal restriction (breathing difficulty)
Position & Entry
From standing (opponent shoots) — Sprawl on the shot, secure chin-strap grip around the neck, lock the guillotine and pull guard or finish standing
From closed guard — Opponent dives head down, wrap arm around the neck, clasp hands and arch the back while squeezing
From front headlock (snap-down) — Snap the opponent's head down, secure the chin-strap, sit to guard or sprawl to finish
Videos
ADCC-Tested Guillotine Choke | Craig Jones B-Team Technique
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Guillotine Choke From Top Half-Guard·The B-Team
Craig Jones shows the guillotine choke he used to submit Kyle Boehm at ADCC 2022. Instructionals: https://bjjfanatics.…
2 videos
What Instructors Say
The guillotine choke from top half-guard is executed by first establishing heavy pressure and control while in the top position. Jon Foster emphasizes sprawling the far leg back to maintain base and prevent sweeps, then using rib pressure on the opponent's face to force the chin upward and create space for arm insertion. The critical technical detail both instructors stress is achieving deep arm penetration: Foster describes threading the inside of the elbow to a specific point on the neck, with the thumb wrapping to the far side. The B-Team's Craig Jones describes the same principle using a "chin strap" initial grip before scooping the hands over the top to collapse the neck. Both instructors note that the defending arm creates the primary obstacle—if the opponent blocks the submission arm, the attacker must work to get the hand inside, maintaining pressure while forcing the grip around both sides of the neck to attack both carotid arteries. The B-Team emphasizes avoiding a flat-back position and instead pulling to the side while securing closed guard to prevent the opponent from turning and escaping. Foster focuses on keeping elbows tight throughout to deny underhook opportunities. Both instructors present the submission as high-percentage when executed from scrambling exchanges where the opponent extends during a takedown attempt.
Synthesized from 2 instructors
- Jon Foster — Guillotine Submission From Top Half Guard - BJJ: Detailed positioning mechanics including leg sprawl, rib pressure application, elbow placement in the back of the head, and progressive hand insertion technique with focus on thumb placement wrapping to the far side of the neck.
- The B-Team — ADCC-Tested Guillotine Choke | Craig Jones B-Team Technique: Context for entry from failed takedown attempts, chin strap grip initiation, hand-scooping mechanics, neck collapse timing, shoulder positioning at spine base, and closed guard establishment to prevent rolling escapes; demonstrated execution context from ADCC 2019.
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Ratings
Risk of injury to the person this technique is applied to
9
Extreme9/10
Guillotine variants compress the trachea and carotids from front headlock control
Skill level needed to execute this technique reliably
Intermediate
Whether this technique is allowed under major competition rule sets
Illegal
— FIAS Sport Sambo — All chokes prohibited in Sport Sambo
FIAS International Sambo Competition RulesPDFLegal
— IBJJF — Legal at all belt levels, gi and no-gi — chokes a...
IBJJF Rules Book v6.0, June 2024PDF— ADCC — Legal
ADCC Rules Update, April 2025PDF— Unified MMA — Legal — choke submissions are among the mos...
Unified Rules of MMA, August 2025PDF— FIAS Combat Sambo — Legal
FIAS Combat Sambo RulesPDFTraining Notes
✓The guillotine from top half guard is a submission category where the top player applies a guillotine choke while maintaining top half guard position — using the leg entanglement as a base for the choke (Danaher, Half Guard, 2019)
✓The top half guard guillotine occurs naturally: when the bottom player fights for the underhook, their head enters guillotine range — the top player wraps the neck during the grip exchange
✓Multiple finishing options exist from this position: power guillotine (staying on top), guard pull guillotine (sitting back into guard), and arm-in guillotine (trapping the underhook arm)
✓The half guard provides unique advantages: the bottom player cannot simply back away (legs are entangled), and their underhook attempt positions the head perfectly for the wrap
✓The top half guard guillotine is a passing counter-to-offence chain: when the bottom player's guard attack (underhook) fails, the guillotine punishes the exposure
✓The guillotine from this position requires a decision: stay on top for the power finish (more force, less control) or pull guard (more control, less force)
✓In competition, the top half guard guillotine is common: guard players who fight aggressively for underhooks expose their neck to this counter-submission
Common Mistakes
!Not recognising the guillotine opportunity when it appears — the window opens when the opponent reaches for the underhook; drill the recognition
!Wrapping the neck without controlling the opponent's body — half guard position must be maintained; if they escape half guard during the wrap, the guillotine loses its platform
!Not deciding between top and guard finish — hesitating between the two options results in a weak attempt from neither position
!Attempting the guillotine while the opponent has a strong underhook — their underhook gives them leverage to posture; strip or neutralise the underhook before committing
!Releasing the guillotine to continue passing — the guillotine from half guard is a viable finish; don't treat it as a distraction technique
!Staying on top without the sprawling pressure — if staying on top, commit to the power variation with aggressive hip drive
!Not using the trapped leg for leverage — the half guard leg entanglement can be used to shift the opponent's body position; use it to enhance the choke angle
Related Techniques
Counter Techniques
Tuck Chin — protect the neck by lowering the chin to prevent the choke from sinkingTwo-on-One Grip Fight — use both hands to strip the choking grip before it locksTurn Into — rotate toward the choking arm to relieve carotid pressurePosture Up — straighten the spine and create distance to break the choking angle
Setup Chain
1Achieve Controlling Position — secure the position from which the choke is applied
2Isolate the Neck — clear defending hands and establish access to the throat
3Set the Grip — lock the choking configuration (arm, lapel, or leg placement)
4Apply Pressure — squeeze to compress the carotid arteries for the finish
Sources & References
Primary Source
柔術B (jiujitsu-b.com); gentle-world.tech; Yahoo知恵袋; Wikipedia ja (フロントチョーク)
Major Japanese BJJ publication — comprehensive technique lists
Japanese BJJ submission guide
Japanese Q&A community — BJJ technique name verification
Japanese Wikipedia — martial arts technique articles
5OtherJapanese Combat Sports Katakana Convention
Standard katakana transliteration of Western martial arts terminology (外来語) — used in Japanese MMA, boxing, and BJJ communities
6Citation柔術B (jiujitsu-b.com); gentle-world.tech; Yahoo知恵袋; Wikipedia ja (フロントチョーク)
Japanese terminology sourced from 柔術B (jiujitsu-b.com); gentle-world.tech; Yahoo知恵袋; Wikipedia ja (フロントチョーク)
Community
Athletics
Requires
forearm and grip strength, hip flexibility for guard retention
Favours
longer arms for deeper chin-strap wrap
Key muscles
forearm flexors, biceps, hip flexors
Sub-techniques
Frequently Asked Questions
How do I set up the guillotine choke from top half-guard against a takedown attempt?
Craig Jones emphasizes that when your opponent shoots for a takedown without proper setup, they become extended and vulnerable. At that moment, you have a choice: sprawl to stuff the takedown or capitalize on the submission threat by getting around their neck and trapping an arm before they fully establish control.
What's the correct hand position to start the guillotine choke?
According to Craig Jones, always start with a chin strap grip, then connect your hands over the top. The key is to scoop your hands upward and collapse the top of the opponent's head while their posture is still extended—timing this before they hit the ground allows you to bend their neck tight.
What happens if I wait too long to apply the guillotine?
Craig Jones notes that if you apply the choke too late after your opponent has shot, they can put their forehead on the floor and maintain good posture, making it much harder for you to bend their neck and finish the submission.
How should I position my body to prevent the opponent from escaping?
Keep your shoulder at the base of their spine and maintain everything forward rather than arching back, which allows their head to slip out. Pull to the side, tighten everything, and secure closed guard to prevent them from turning out of the choke.
How does the Guillotine Choke From Top Half-Guard work?
The guillotine choke from top half-guard is applied when the top player wraps the bottom player's neck in a guillotine grip while the bottom player retains a half-guard. The top player typically catches the guillotine when the bottom player dives for an underhook or attempts to come to a single-leg, then maintains the grip while working to free the trapped leg.
Where does the Guillotine Choke From Top Half-Guard come from?
Guillotine attacks from half-guard top developed in competitive no-gi grappling and MMA as practitioners recognized the submission opportunity created when half-guard players dive headfirst for underhooks. The technique became increasingly common in the 2010s as half-guard became the dominant guard in MMA, creating frequent exposure of the neck during the underhook battle.
Is the Guillotine Choke From Top Half-Guard legal in competition?
IBJJF: legal — Legal at all belt levels, gi and no-gi — chokes are the safest submission cat…; IJF: legal — Legal (shime-waza) — strangulation techniques are one of three permitted subm…; ADCC: legal — Legal; Unified MMA: legal — Legal — choke submissions are among the most common finishes in MMA; FIAS Sport Sambo: banned — All chokes prohibited in Sport Sambo; FIAS Combat Sambo: legal — Legal
How dangerous is the Guillotine Choke From Top Half-Guard?
Danger rating 9/10. Guillotine variants compress the trachea and carotids from front headlock control
How do I set up the Guillotine Choke From Top Half-Guard?
The standard setup chain: Achieve Controlling Position → Isolate the Neck → Set the Grip → Apply Pressure.
How do I defend against the Guillotine Choke From Top Half-Guard?
Standard counters include: Tuck Chin — protect the neck by lowering the chin to prevent the choke from sinking / Two-on-One Grip Fight — use both hands to strip the choking grip before it locks / Turn Into — rotate toward the choking arm to relieve carotid pressure / Posture Up — straighten the spine and create distance to break the choking angle.
What are the variants of the Guillotine Choke From Top Half-Guard?
Common variants: Arm-in guillotine (traps the opponent's arm inside the choke for additional …); High-elbow guillotine (Marcelotine) (elevates the elbow above the head for stronger carotid co…); Standing guillotine (finished from the feet without pulling guard); Power guillotine (chin-strap grip with a rear-naked-choke-style finish for …).
How effective is the Guillotine Choke From Top Half-Guard in competition?
Increasingly common in competition as half guard play has become more sophisticated. Both gi and no-gi competitors use the top half guard guillotine as a primary guard-passing weapon.
What are common mistakes when doing the Guillotine Choke From Top Half-Guard?
Top errors to watch for: Not recognising the guillotine opportunity when it appears — the window opens when the opponent reaches for the under… / Wrapping the neck without controlling the opponent's body — half guard position must be maintained; if they escape ha… / Not deciding between top and guard finish — hesitating between the two options results in a weak attempt from neither… / Attempting the guillotine while the opponent has a strong underhook — their underhook gives them leverage to posture;….
What are other names for the Guillotine Choke From Top Half-Guard?
The Guillotine Choke From Top Half-Guard is also known as Girochin Chōku, Top Half-Guard Guillotine, Half-Guard Guilhotina.