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2 weeks to go

Hi all, 

My R1 interviews for BCG Platinion are scheduled in roughly two weeks. 
As of now I've practiced casing (full cases, drills and maths) and personal fit a lot - for about 6 weeks, feeling confident. 
Currently I am not sure what to focus on in the next two weeks. 
So first question, what would your advice be for this period of time?

My biggest concern comes from the fact that there a few "real" cases which are digital related. So I've prompted GPT to give me case prompts, exhibits etc. 
So second question - Do you have any experience on how well it does for prep? Generally you opinion on that interests me.

Thanks!


 

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Top answer
Earth
Coach
on Aug 21, 2025
Former McKinsey Associate Partner, Google, Chief Digital Officer

Hello, congratulations on your interviews! Two weeks is plenty of time to get everything sorted. Here’s what I would do.

My main advice for this stage is to shift your focus from doing a lot of cases to doing them better. You've already done the hard work of building your skills. Now, it's about refining them and building confidence.

The most valuable thing you can do now is get in as much practice as possible with real people. It's the only way to get real-time feedback and practice managing the pressure. After each mock interview, ask for specific feedback on your weak spots so you know what to work on.

You should also spend some time drilling your weaknesses. If you know you're not great at mental math or structuring, practice those things specifically. And make sure your fit stories are polished. Have a few core stories ready to go for questions about leadership or conflict, and practice them out loud so they sound natural.

As for using GPT, I think it’s a great tool, but not a replacement for a human. It's perfect for generating practice questions, especially for those specific digital cases that are hard to find. It's like having a textbook with an infinite number of problems.

But it can never give you the most important thing, which is nuanced human feedback. It can’t see your body language or feel the pressure you’re under. It can’t give you the honest critique a real person can. So, use it to get your reps in, but make sure the real practice is with a person who can prepare you for the live interview.

You’ve got this!

Evelina
Coach
on Aug 20, 2025
EY-Parthenon l Coached 100+ candidates into MBB & Tier-2 l 10% off first session l LBS graduate

Hi there,

Two weeks out is a good place to be, especially since you’ve already built a solid foundation. I’d suggest the following focus areas for the next stretch:

1. Sharpen, don’t overload

  • Keep practicing, but shift from volume to quality. Do 1–2 high-quality cases per day, then spend time debriefing deeply (what worked, what didn’t, what patterns keep recurring).

2. Drill core skills daily

  • Mental math and chart reading: quick daily drills to keep speed and confidence high.
  • Communication: practice structured, concise answers to “walk me through your thinking” and synthesis questions.

3. Personal fit refinement

  • Have 4–5 strong, flexible stories ready (leadership, impact, conflict resolution, resilience, why consulting/why digital). Rehearse them so you can deliver naturally and tailor depending on the question.

4. Mock interview focus

  • Do at least a few mocks with peers/coaches in the last week to simulate pressure. These will surface weaknesses you may not notice on your own.

On your second question:

  • GPT can generate helpful prompts and exhibits, but the quality varies. It’s good for volume and creativity, especially if you want to see digital-flavored setups, but don’t rely on it 100%. Sometimes the math or logic can be unrealistic.
  • Use it as a complement, not a substitute. Treat GPT-cases as practice for structuring, brainstorming, and reacting to exhibits, then cross-check against official casebooks or peer mocks for realism.

Happy to help you prep – feel free to reach out.

Best, 

Evelina

Alessa
Coach
on Aug 21, 2025
xMcKinsey & Company | xBCG | xRB | >400 coachings

Hey there :)

With two weeks left, the best use of your time is to consolidate and polish rather than cram new things. Focus on:

  • Keeping your structures sharp and flexible, so you can adapt even if the case is tech-heavy.
  • Practicing clear, top-down communication in both case and fit — partners especially care about that.
  • Simulating interview conditions (timed, no pauses, thinking out loud).
  • Reviewing your PEI/fit stories and making them tight and impact-oriented.

On digital cases: at BCG Platinion the business logic is still the same — you’ll often be asked about digital transformation, IT costs, agile delivery, or tech strategy, but the structure (value creation, costs, feasibility) is very similar to “normal” cases. They don’t expect you to be a deep tech architect, just to reason logically about digital topics.

On using GPT: it’s great for generating prompts and exhibits if you’ve run out of casebooks, and it helps you think about unusual angles. But the main learning still comes from live practice with humans, since you need to train listening, communication, and reacting under pressure. So I’d treat GPT cases as a supplement, not a replacement.

best,
Alessa :)

on Aug 21, 2025
#1 Rated & Awarded McKinsey Coach | Top MBB Coach | Verifiable success rates

If it's within your means, the smartest thing to do is to get a professional assessment from a coach. 

You've already put in lots of work. 

Now the point is to get a sense of where you are, what's still missing and how to close that gap, and where your strengths are and how to make the most out of them. 

With the coach you can align on what to focus on for the remaining two weeks so you make the most of that time. 

Feel free to reach out and I can explain how I do this with candidates.

Best,
Cristian