
Train for Reality – Not Just Theory
At Kalah Amsterdam, we specialize in realistic self-defense training, designed for real-life threats. Unlike traditional martial arts, our system prepares you for street attacks, armed assaults, multiple attackers, and high-stress situations.
Why Choose Kalah Amsterdam?
- Reality-Based Training: No flashy moves—just effective techniques that work under pressure.
- Experienced Instructors: Learn from certified professionals.
- All Levels Welcome: Whether you’re a beginner or experienced, our system adapts to you.
- Full-Intensity Scenarios: We simulate real attacks to train your instincts.
- Train with Purpose: Build confidence, awareness, and the ability to defend yourself in any situation.


What We Offer:
- Special Events & Seminars
- Weekly Group Training (for all levels)
- Private Self-Defense Coaching
- Corporate & Workplace Safety Programs
- Women’s Self-Defense (focused on real-world threats)
- Knife & Weapon Defense Training
Try It for Free – No Strings Attached!
The best way to experience our training is to try it yourself. Book a free trial session today and see how Kalah Amsterdam can change the way you think about self-defense.

Learn More
What is the Kalah Combat System?
Most self-defense classes teach techniques in a controlled, predictable environment. But real threats are chaotic.
Who are the instructors of Kalah Amsterdam?
Established in 2019 by Chief Instructor Jair Stenhuijs, Kalah Amsterdam is committed to teaching realistic self-defense that confronts the harsh truths of real-world threats.
How do I get in touch with Kalah Amsterdam?
If you’re interested in enrolling in our courses, want more information about our approach, or simply want to say hello, we’d love to hear from you.
Where can I find upcoming events?
Explore our upcoming events and consider joining us for valuable, reality-based self-defense training.
I want to read more about realistic self-defense training. Where to start?
A good place to start is our blog page, where you will read about self-defense insights, training tips, event reports, and much more.
FROM THE BLOG
Latest News
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How to Spot Danger Before It Happens: Essential Self-Defense Tips
Read more: How to Spot Danger Before It Happens: Essential Self-Defense TipsIntroduction Imagine walking down the street when suddenly, you get a bad feeling. Something is off, but you can’t quite put your finger on it. That gut instinct might be your subconscious recognizing danger. The ability to spot…
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Real Training for Real Threats – A Look into Kalah Combat System with Idan Abolnik
Read more: Real Training for Real Threats – A Look into Kalah Combat System with Idan AbolnikWhat does it truly take to prepare for real-world violence? In this video of a recent training session led by Idan Abolnik, founder of the Kalah Combat System, you’ll gain an unfiltered glimpse into how Kalah prepares its…
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Why Self-Defense Techniques Fail: Embracing Realistic Training with Kalah
Read more: Why Self-Defense Techniques Fail: Embracing Realistic Training with KalahIn the world of self-defense, many schools emphasize smooth techniques and ideal scenarios, but the harsh truth is that real-life violence rarely plays by those rules. Whether it’s a chokehold, a knife threat, or a sudden ambush, attackers…