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Fighter study

Jung Koo Chang

Era Modern
Division Light Flyweight
Stance Orthodox
Key context Lower-weight tempo and angle changes

Why study this fighter

Jung Koo Chang is useful for studying Pressure Volume Starter. Key coaching cues are: lower-weight tempo and angle changes, pressure without losing stance shape, repeatable output without losing balance. Use the page as a study aid: isolate one visible habit, train it safely, then test whether it improves your own rounds.

Jung Koo Chang is a pressure volume starter in the H&G style library. It is a modern orthodox profile. The strongest axis scores are pressure 86, volume 84 and starter 84. Study lower-weight tempo and angle changes and pressure without losing stance shape. A practical cue is to use angle-entry rounds where foot position is checked before punch choice. The page includes 1 selected video reference for the study notes. The main warning is: do not walk forward without a defensive exit..

Fighter guide only. This is not a claim about level, ability, or matching a champion. Use the diagnostic to compare how you box, then bring the result into class or PT.

H&G All-Time Index: Jung Koo Chang is ranked #203 all-time with a 80.25 ranking index. Open the ranking profile

Orthodox Modern Style reference Check with coach

Use this as a practical style guide. Treat the examples as ideas to test, then check the notes before leaning too hard on one pattern.

Jung Koo Chang H&G All-Time Index identity card

Study, do not imitate

The point is to spot patterns: pressure, range, rhythm, risk, and defensive shape. The radar below turns those patterns into a readable coaching map.

Read on Wikipedia

Rating summary - All-Time Index layer - v2.0.0

Jung Koo Chang

An H&G All-Time Index v2.0.0 summary card for rank context, career context and comparison. Read close ranks with the Data Confidence label beside them.

Rank and score#203Ranked in the H&G All-Time Index v2.0.0 top 1000
H&G All-Time Index80.250-100 ranking index. This is the number that orders the list.
Peak-form Elo rating1,835Best-point rating on a separate scale, not directly comparable with the index. The rating could shift by about ±202. 1985-08-01
Data ConfidenceMediumSolid but wider career evidence. Treat close ranks with extra care. Peak-form band: ±202 Elo.
Active years1980-1991Boxing era: 1980-1999
Primary divisionLight FlyweightHigher than 73% of ranked fighters in this division
Era standingHigher than 84% of ranked fighters from his eraHigher than 79% of the whole public list
Strength of scheduleSolid schedule1,908 schedule score
Career W-L-D38-4-0Professional record summary

Style map

Who is like Jung Koo Chang?

Compare shape first. Gold is Jung Koo Chang; blue is the other fighter. Tap a card to put that fighter on the sticky radar, or search the full set below.

Closest in the library

Fighters most like this

These are the nearest 8-axis shapes to Jung Koo Chang across the 250 public profiles.

Carlos Zarate

Pressure power starter

97% alike
Jung Koo Chang Carlos Zarate

Shared areas: Counter, Defence

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Lloyd Honeyghan

Pressure starter pace

97% alike
Jung Koo Chang Lloyd Honeyghan

Shared areas: Counter, Defence

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Pancho Villa

High-tempo pressure puncher

95% alike
Jung Koo Chang Pancho Villa

Shared areas: Defence, Precision

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Ruben Olivares

Pressure power volume

95% alike
Jung Koo Chang Ruben Olivares

Shared areas: Defence, Precision

Open profile

Useful contrasts

Fighters least like this

These are the furthest shapes from Jung Koo Chang. Use them to see what this style is not.

Devin Haney

Defensive outside boxer

Gap 38
Jung Koo Chang Devin Haney

Biggest split: Pressure, Volume

Open profile

Floyd Mayweather Jr

Defensive counter range manager

Gap 38
Jung Koo Chang Floyd Mayweather Jr

Biggest split: Pressure, Volume

Open profile

Sunny Edwards

Defensive outside boxer

Gap 38
Jung Koo Chang Sunny Edwards

Biggest split: Pressure, Volume

Open profile

Stephen Fulton

Defensive outside boxer

Gap 37
Jung Koo Chang Stephen Fulton

Biggest split: Pressure, Starter

Open profile

What to study

  • Lower-weight tempo and angle changes
  • Pressure without losing stance shape
  • Repeatable output without losing balance

What not to copy

  • Do not walk forward without a defensive exit.
  • Do not throw extra shots just to look busy.
  • Do not rush the first exchange without a reset built in.

Training translation

  • Use angle-entry rounds where foot position is checked before punch choice.
  • Use pressure rounds where entry, punch, and exit are all judged before pace increases.
  • Use controlled-output rounds where every combination finishes with balance and guard shape.
Compare against this profile

If this is your match

  • The result points toward lower-weight tempo and angle changes as a useful training prompt.
  • Use the match as a coach-led study cue, not as a claim about level, talent, or outcome.

What to watch

Use these notes to understand the boxing behind the profile and what to watch when you compare it with your own quiz result.

  • Lower-weight tempo and angle changes What to study

    Lower-weight tempo and angle changes is the clearest study cue in the reviewed study material.

  • Pressure without losing stance shape What to study

    Pressure without losing stance shape helps frame how this profile should be used in training.

  • Study context What to study

    Evidence is sufficient for a public study profile, but the page should still be read as training guidance rather than career biography.

Compare shapes

Search all 250 public profiles or compare Jung Koo Chang with your saved quiz result. Gold shows this profile. Blue shows the comparison.

Start with the suggested close style match or type to search the full profile set.

What do these axes mean?

Compare your style

Use this profile as a reference, then take the diagnostic to see which axes match your own training choices.

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