ChatGPT Matchup Summary (Win Condition and Game Plan)
Marth wants to stop Isabelle’s Jab, Forward Tilt, and Up Tilt with Up B (5f), OOS Uair (8f), OOS Fair (9f), and OOS Nair (9f), then force Isabelle back outside Neutral Air and Back Air to keep stage control.
In Marth vs Isabelle, the stable plan is to avoid playing directly into Isabelle’s Neutral Air and Back Air and take the landing or ledge route before Isabelle can reset.
The table shows that Isabelle’s Jab, Forward Tilt, and Up Tilt can be answered by Marth’s Up B (5f), OOS Uair (8f), OOS Fair (9f), and OOS Nair (9f), so those overcommitments should be cashed out immediately.
For Marth, Isabelle’s Neutral Air and Back Air are still hard to hit immediately out of shield, so reading the landing spot or ledge route matters more than forcing an early swing.
Full Move Frame Quick Reference
| Opponent Move | Startup | On Shield | Marth OOS Candidate Moves | Barely Missed Moves |
|---|---|---|---|---|
| Jab | 3 | -13 |
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| Forward Tilt | 8 | -19 |
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| Up Tilt | 6 | -15 |
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| Down Tilt | 9 | -10/-14 |
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| Dash Attack | 7 | -21 |
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| Forward Smash | 14 | -20 |
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| Up Smash | 9/14 | -12 |
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| Down Smash | 8/12 | -28/-25 |
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| Neutral Air | 5/8 | -2/-3 |
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| Forward Air | 10 | -6 — +4 |
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| Back Air | 13 | -4 — +5 |
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| Up Air | 6 | -5/-6 |
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| Down Air | 11 | -5/-6 |
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| Neutral B | 8 (Start of projectile pocket) | — | ||
| Side B | 21 | ** | ||
| Up B | ** | ** | ||
| Down B | 9/17/25/34/43/51 | ** | ||
| Grab | 14 | — | ||
| Dash Grab | 15 | — | ||
| Pivot Grab | 17 | — |
Win Condition Checklist
- Marth should not play directly into Isabelle’s Neutral Air and Back Air; wait for Isabelle’s Jab, Forward Tilt, and Up Tilt and answer with Up B (5f), OOS Uair (8f), OOS Fair (9f), and OOS Nair (9f).
- After Marth blocks Isabelle’s Jab, Forward Tilt, and Up Tilt, pick the reachable option from Up B (5f), OOS Uair (8f), OOS Fair (9f), and OOS Nair (9f) immediately.
- Marth should not mash after Isabelle’s Neutral Air and Back Air; take the landing route, escape route, or ledge route first.
- Marth should finish stocks by breaking Isabelle’s landing and recovery routes so Neutral Air and Back Air does not get more neutral reps.
Actions to Avoid
- Letting Isabelle start the exchange on Neutral Air and Back Air terms and giving Marth’s stage control away for free.
- Having Marth block Isabelle’s Jab, Forward Tilt, and Up Tilt but never answer with Up B (5f), OOS Uair (8f), OOS Fair (9f), and OOS Nair (9f).
- Sending Marth too deep after Isabelle’s Neutral Air and Back Air and letting the reset punish the chase back.
- Panicking at the ledge as Marth and simplifying Isabelle’s Neutral Air and Back Air-driven advantage sequence.