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The Chewjitsu Podcast

Old School BJJ With Black Belt Daniel Bertina (Episode 358)

The Chewjitsu Podcast

Eugene Tsozik

Wrestling, Wellness, Brazilianjiujitsu, Sports, Interviews, Mma, Bjj, Health, Chewjitsu, Injuryprevention

5643 Ratings

🗓️ 7 April 2025

⏱️ 100 minutes

🧾️ Download transcript

Summary

On this episode of the podcast, we are joined by one of Chewy’s first training partners, BJJ Black Belt Daniel Bertina. Daniel is a BJJ Black Belt and coach that lives in the Netherlands.

Daniel discusses his early days in BJJ and his training sessions with Chewy, what training sessions were like in the early 2000’s, ideas on decreasing injuries, recommendations for older grapplers, why you should make your BJJ as broad as possible, the optimal training environment, one thing that could be the death of martial arts, cultivating a positive gym environment, thoughts on "gym enforces," Jiu-Jitsu and mental health, deriving a deeper meaning from BJJ, and how fatherhood has changed Daniel.

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Transcript

Click on a timestamp to play from that location

0:00.0

What up guys? Welcome to the Jitsu podcast episode, whatever crazy number we're on.

0:04.7

Today we got a buddy of mine. He is one of the guys I trained with when I first started.

0:11.8

So we'll talk a little bit more about this in the podcast, but just to sort of set the stage for you guys that are here.

0:16.9

When I first started back in 2003, there was a guy who people talked about who wasn't there at the time was a blue belt named Amsterdam.

0:26.2

And it was a guy named Daniel from Amsterdam.

0:28.9

And, you know, I heard about him.

0:31.1

And then eventually we end up training together.

0:33.1

And for a couple of years while he was training off in one in the States, he became like my main

0:40.8

toughest training partner. We battled in the gym, you know, and we were constantly, you know,

0:45.7

getting the better of one another. And he had a really big impact on me early on because some of the

0:50.7

things like we were training and we'll talk to us in a bit, like we were in we were in an environment where we were just trying to kill each other all the time and he even

0:57.6

we get frustrated by that because he'd like man like I remember one time he got frustrated one

1:01.0

time with the coach and he's like Mike I got to try stuff like this is a lab we got to do something

1:05.3

different right and so again and then even back then, I remember his like, he was like a wealth of knowledge.

1:11.0

The guy just knew so much stuff.

1:12.5

I remember feeling like stupid because like I don't know how to do any of this.

1:16.7

You know what I mean?

1:17.5

Like so if you guys ever feel like you don't like retain everything that you feel kind of stupid, it's okay.

1:22.6

You can still be very good at Jiu Jitsu and still not remember everything and have it right there. But he had just a working knowledge of everything that was like really impressive.

1:29.6

So anyway, we have him on the podcast and chat about kind of the old days we were training and then just wherever the conversation went.

1:36.3

I recently had posted a picture on Instagram and I was just like, dude, it would be so cool to talk again. I haven't talked to this guy in 20 years, but we've kept up in touch with each other loosely over, you know, social media, Facebook,

1:48.1

and things like that. But again, hopefully you guys enjoy the conversation, listen to me

...

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