Guillotine Choke From Top Half-Guard Power Guillotine

Variety

ギロチンチョーク(Girochin Chōku)

Transliteration

Translation: Guillotine Choke (katakana loanword); also フロントチョーク

Overview

The power guillotine from top half guard is a high-pressure variant where the attacker applies a guillotine choke while maintaining top position in half guard, using full body weight and hip pressure to amplify the strangle. ^[1] The attacker wraps the opponent's neck from the top, locks a grip, and drives their weight forward and downward while squeezing the neck — the 'power' designation reflects the use of body mass rather than pulling guard for leverage. ^[1],[2] Maintaining top position is tactically advantageous because the attacker retains dominant positioning even if the choke fails. ^[2] The half-guard leg entanglement prevents the bottom player from fully rotating or turtling to escape the compression. ^[2],[3]

Also known as

Power Guillotine^[1]Half-Guard Power Choke^[2]

Used in

BJJ Judo Submission Grappling MMA Sambo

History & Origin

The power guillotine from top position gained prominence in MMA where fighters sought to finish guillotines without surrendering top control. ^[1] Wrestlers entering MMA particularly favoured this approach, as pulling guard conflicted with their positional hierarchy training. ^[2],[3]

Effectiveness

The power guillotine is devastating from top half guard — body weight and sprawling pressure amplify the choking force. The half guard leg entanglement prevents the opponent from retreating. ^[1]

Lineage

Developed within the modern half guard system. The 'power' designation reflects the top-position finishing method that uses gravity and body weight rather than the guard-pull approach. ^[1]

Competition Record

Used in both gi and no-gi competition when the opponent fights for the underhook from bottom half guard. Appears in MMA when fighters catch guillotines during half-guard passing. ^[1]

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Biomechanical Mechanism

Primary Action — Bilateral compression of the carotid arteries — restricts blood flow to the brain, causing unconsciousness within seconds

Joints Involved — Cervical spine (lateral flexion), glenohumeral joint of the trapped arm (if arm-in), nuchal region

Force Vector — Lateral squeeze creates inward pressure on both sides of the neck simultaneously

Choking Mechanism — Vascular strangle — occludes carotid arteries and jugular veins, distinct from airway (tracheal) chokes

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

Variants

Arm-in guillotine — traps the opponent's arm inside the choke for additional shoulder pressure

High-elbow guillotine (Marcelotine) — elevates the elbow above the head for stronger carotid compression

Standing guillotine — finished from the feet without pulling guard

Power guillotine — chin-strap grip with a rear-naked-choke-style finish for maximum force

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Ratings

Danger Rating

Risk of injury to the person this technique is applied to

Extreme9/10

Guillotine variants compress the trachea and carotids from front headlock control

Difficulty

Skill level needed to execute this technique reliably

Intermediate

Competition Legality

Whether this technique is allowed under major competition rule sets

Illegal

— FIAS Sport Sambo — All chokes prohibited in Sport Sambo

FIAS International Sambo Competition RulesPDF

Legal

— IBJJF — Legal at all belt levels, gi and no-gi — chokes a...

IBJJF Rules Book v6.0, June 2024PDF

— shime-waza

IJF Sport and Organisation Rules 2025, Article 27PDF

— 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 RulesPDF

Training Notes

✓The power guillotine from top half guard uses the half-guard player's leg entanglement as an anchor while driving the guillotine downward with body weight — the 'power' designation refers to the maximum-force application from top position (Danaher, Half Guard, 2019)

✓From top half guard: when the bottom player has the head inside for an underhook attempt, wrap the neck in a guillotine grip and drive the choking arm downward while sprawling

✓The half guard provides a unique guillotine platform: the bottom player's legs are entangled with the top player's, preventing them from pulling the head out by backing away

✓The 'power' variant: instead of pulling guard, the attacker stays on top and uses a sprawling, hip-driving motion to push the forearm through the neck — gravity and body weight amplify the force

✓The power guillotine is a guard-passing-meets-submission hybrid: the same forward pressure that passes the half guard also drives the guillotine into the neck

✓Finishing: sprawl hard, drive the hips toward the mat, and curl the wrist while keeping the grip tight — the opponent is crushed between the forearm and the mat

✓The power guillotine from half guard punishes the underhook: when the bottom player reaches for the underhook, their head passes below the top player's chest — guillotine range

Common Mistakes

!Attempting without the opponent's head below your chest — the power guillotine requires the head to be in front headlock range; from a high head position, it's unreachable

!Not sprawling aggressively — the 'power' comes from the sprawl; a mild hip drop doesn't generate sufficient compression

!Pulling guard when the top position is advantageous — the power variant stays on top; pulling guard is a different technique

!Not controlling the opponent's legs — if they free their legs from half guard during the guillotine attempt, they can circle to safety

!Wrapping too loosely — the grip must be extremely tight from the start; top-position guillotines are easier to defend than guard guillotines

!Not driving the forearm through the neck — the motion is a driving push, not a squeezing hug; think of pushing the forearm through the neck into the mat

!Staying too upright — the power guillotine requires the chest to be low and the hips driving down; an upright posture reduces force

Related Techniques

Escape — defensive technique to relieve choking pressure and recover position Tap (Submission Signal) — the safety mechanism indicating the technique is effective

Counter Techniques

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

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)

1Website柔術B (Jiujitsu-B)

Major Japanese BJJ publication — comprehensive technique lists

2WebsiteGentle World Tech

Japanese BJJ submission guide

3WebsiteYahoo知恵袋 (Yahoo Chiebukuro)

Japanese Q&A community — BJJ technique name verification

4WebsiteWikipedia Japanese

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

Frequently Asked Questions

How does the Guillotine Choke From Top Half-Guard Power Guillotine work?

Where does the Guillotine Choke From Top Half-Guard Power Guillotine come from?

The power guillotine from top position gained prominence in MMA where fighters sought to finish guillotines without surrendering top control. Wrestlers entering MMA particularly favoured this approach, as pulling guard conflicted with their positional hierarchy training.

Is the Guillotine Choke From Top Half-Guard Power Guillotine 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 Power Guillotine?

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 Power Guillotine?

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 Power Guillotine?

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 Power Guillotine?

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 Power Guillotine in competition?

Used in both gi and no-gi competition when the opponent fights for the underhook from bottom half guard. Appears in MMA when fighters catch guillotines during half-guard passing.

What are common mistakes when doing the Guillotine Choke From Top Half-Guard Power Guillotine?

Top errors to watch for: Attempting without the opponent's head below your chest — the power guillotine requires the head to be in front headl… / Not sprawling aggressively — the 'power' comes from the sprawl; a mild hip drop doesn't generate sufficient compression / Pulling guard when the top position is advantageous — the power variant stays on top; pulling guard is a different te… / Not controlling the opponent's legs — if they free their legs from half guard during the guillotine attempt, they can….

What are other names for the Guillotine Choke From Top Half-Guard Power Guillotine?

The Guillotine Choke From Top Half-Guard Power Guillotine is also known as Girochin Chōku, Power Guillotine, Half-Guard Power Choke.

girochin ch ku submission choke and strangle lock front headlock choke forearm wrap guillotine guillotine choke guillotine choke from top half guard guillotine choke from top half guard power guillotine power guillotine half guard power choke