Racket Sports

**TAMI Hacking Nights** \- join TAMI CTF team and practice challenges and CTFs with us \- share your knowledge about ethical hacking techniques and tools \- bring some device to reverse engineer it and explore how it works \- propose a bug bounty program to work on together \- just watch and learn from others The meetings are informal and open to all levels - from total beginners to hardcore CTF veterans. Join our HackaTAMI Telegram channel ([https://t.me/+KAXY_iPcPlpmZTRk](https://t.me/+KAXY_iPcPlpmZTRk)) to discuss what we will do this Tuesday and come to TAMI. ========== TAMI wiki: [https://telavivmakers.org](https://telavivmakers.org) TAMI main Telegram channel: [https://t.me/+0t5M0-jK9iIwZmM8](https://t.me/+0t5M0-jK9iIwZmM8)

## Details Hi everyone, ⚠️ You need to join the Whatssapp community and get a confirmation on WhatssApp that there are still spots available in order to be able to attend. You can join the chess community here by filling the form: https://chessbarisrael.com/#join-us The next edition tournament will take place on **Tuesday.** 📍 **Where:** Masaryk Wine & Flowers, **80 King George St, Tel Aviv** 📅 **When:** 6:15 PM - 8:30 PM ♟️ **Format:** 5 rounds of 8+2 (Rapid) OR Meet & Play (depends on which Tuesday) 🥇 **Prizes:** * **Top Winners:** bottles of wine * **Best Under 1500/800:** 1 hour of private chess lesson * **Sandwich for a randomly picked player** ✨ **How does it work?** This is a friendly, unofficial event (not reported to FIDE) and part of a **bi-weekly series of tournaments** held in bars around Tel Aviv. ⚠️ There is an entrance fee for the event including the first free drink and prizes! **Spots are limited!** ⚠️ You need to join the Whatssapp community and get a confirmation on WhatssApp that there are still spots available in order to be able to attend. Olivier 🎉

**TAMI Sonic (Music Night)** Join our bi-weekly informal meetups devoted to playing and experimenting with sound. ========== TAMI wiki: [https://telavivmakers.org](https://telavivmakers.org) TAMI main Telegram channel: [https://t.me/+0t5M0-jK9iIwZmM8](https://t.me/+0t5M0-jK9iIwZmM8)

Signing up is via [LUMA](https://luma.com/93cxbnjf). https://luma.com/jtpiaz48

קורס ארדואינו, ESP ורובוטיקה חכמה; מחברים רעיונות לעולם ה- IoT. קורס מעשי בן 10 מפגשים שבו רעיונות הופכים למערכות חכמות שפועלות בעולם האמיתי. נלמד לעבוד עם חשמל ואלקטרוניקה, נרכוש יסודות ב- C++, נשלב סנסורים, חיישנים (אור, חום, קול, מגע, מרחק) ונפעיל רכיבים כמו מנועים, רמקולים ולדים, עד לבניית רובוט מתנייע ונשלט. נחבר חומרה לאינטרנט באמצעות ESP32, לשליטה ובקרה מרחוק בזמן אמת ואפילו נלמד לשלב בינה מלאכותית לתוך הפרויקטים שלנו!. למבוגרים ונוער (16+). עלות: ₪2900 הנחה לתושבי יהוד שימו לב: לא מספיק להרשם במיטאפ יש להרשם גם בקישור הבא https://www.makelab.org.il/registration/arduino-course

The TLV PUG is back! Join us for an afternoon of talks, food, drinks, and good company at Microsoft Reactor Tel Aviv on Level 50 with those incredible skyline views. This time we've got two great talks lined up. Oh, and there will be swag. You're welcome. **Talks:** **From Zero to AI Agent: Building with Microsoft Foundry Agent Service** *[Engin Diri](https://www.linkedin.com/in/engin-diri/) \- Senior Solutions Architect\, Pulumi* AI Agents are everywhere right now, but how do you actually build and deploy one without losing your mind? In this talk, Engin will walk through how to use Microsoft Foundry Agent Service together with the Microsoft Agent Framework and Pulumi to spin up, configure, and manage AI agents, all as code. We'll go from an empty project to a working agent, covering the gotchas and the good parts along the way. **OpenClaw Bots Done Right: No Security Nightmares Included** [Dor Serero](https://www.linkedin.com/in/dorser/) \- Principal Architect\, Microsoft So you want to run an OpenClaw bot, or any agent for that matter. Cool. But have you thought about what happens when things go sideways security-wise? In this session, Dor will share real-world lessons on running OpenClaw bots without the kind of setup that keeps you up at 3 AM wondering if something just went horribly wrong. We'll cover common pitfalls, hardening tips, and practical patterns to keep your bot humming without opening the door to trouble. **Schedule:** * 5:00 PM — Doors open, food, drinks & networking * 5:30 PM — From Zero to AI Agent: Building with Microsoft Foundry Agent Service (Engin Diri) * 5:55 PM — OpenClaw Bots Done Right: No Security Nightmares Included (Dor Serero) * 6:20 PM — Networking, food & drinks * 7:30 PM — See you at the next one! **Where:** Microsoft Reactor Tel Aviv Menakhem Begin Rd 144, Level 50 Tel Aviv-Yafo After the official wrap-up, we'll continue any interesting discussions at a nearby bar for those who want to keep the conversation going. Spots are limited, so grab yours early. See you there!

***\*\*To register for the meetup, please register via Luma using the link below\*\**** Register via Luma -> [https://luma.com/sszyn5y0](https://luma.com/sszyn5y0) # ​**18:00 - Mingling 🎉, pizza 🍕, and beers 🍻18:30 - lectures**20:00 - Go Home!------------------------------------------------------------ ​ **Gal Lerman \| Tech Lead \| Papaya** **One Process to Rule Them All: How We Killed Our Microservices — for Testing, Dev Envs, and Local Development** ​Microservices are great in production. Everywhere else, they're expensive, slow, and painful. We'll show how we collapsed our entire service fleet into a single process — first to replace our mock-heavy tests with fast, real E2E tests that boot every service in-process; then to slash Kubernetes dev environment costs by replacing a pod-per-service with a single pod; and finally to enable fully local development with instant feedback, zero deploy cycles, and real debugging. Same architecture, three wins. ​ **Stav Levinger \| Senior Full Stack Engineer \| Riskified** ​Unblocking the Node.js Event Loop: Real-World Troubleshooting In a NodeJS Consumer ​What happens when a perfectly healthy and robust Node.js service suddenly stops responding, fails its health checks and gets killed by Kubernetes? ​In this talk, I’ll share a real production incident from a high-throughput, Kafka-driven system, where a single consumer began collapsing under unusually large datasets. ​What initially looked like a routine performance issue quickly turned into a deeper investigation: growing lag, stalled processing, misleading signals, and a bottleneck hiding far from where we first looked. ​We’ll walk through the debugging journey step by step, examine practical profiling techniques to narrow down the search, and ultimately uncover the real root cause. ​**Or Kaplan \| Director of Engineering \| Remitly Israel** ​Implementing Distributed locking algorithms in Node.js ​Description ​Protecting shared sensitive shared resources from race conditions is hard enough when running in a single process. Let's make it harder: how do you do it in a distributed system? Scale it up and run it in a production system that serves millions of transactions. See where we’re going here? ​In this talk, I will take you along our journey of implementing distributed locks in Node.js, how they broke, and how we evolved our algorithm over time to support thousands of requests per second in a mission-critical financial system. We will discuss different ways to implement distributed locking, using different tools and approaches. Learn how to improve performance to support more than 10,000 transactions per second which are all trying to access the same resource while running workflows on multiple data centers and how to verify it doesn’t break. \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\- ​​ Kindly be informed that attendance at the meetup is on a first-come, first-served basis until capacity is reached. Although a place has been reserved for you (after click on attend button), please note that it **does not guarantee your spot.**

מתי מריאנסקי, אומן ויזם בתחום הבינה המלאכותית, מייסד קהילת “עליית המכונות”, ידבר על החיים לצד הבינה. נגלה איך טכנולוגיה משנה את כל מה שחשבנו על עבודה ויצירה, נחשוף את שלושת המגמות המפתיעות שמניעות את השינוי ונלמד איך להגיע מוכנים לעולם החדש שמעבר לפינה. למבוגרים (15+). **שימו לב:** לא מספיק להרשם במיטאפ יש להרשם גם בקישור הבא , שם תמצאו גם פרטים נוספים https://link.makelab.org.il/Living-with-ai

\*The meeting will be held in Hebrew. . . . **Winning the Room: A Masterclass on Pitching & Presentations** Your pitch is your most important tool as a founder. Whether you are standing in front of investors, partners, or your very first clients, the ability to control the room and deliver a sharp, persuasive message is what turns a vision into a reality. This masterclass provides you with the practical, high-stakes tools you need to master your performance. . . **Why You Should Join (and why does it worth you time & money)** As an entrepreneur, your time is your most valuable asset. This webinar moves past theoretical advice and focuses on the "how-to" of public speaking and persuasion. This session is designed to be highly practical, focusing on the "how-to" of successful pitching. We will dive deep into the following: * **Practical Pitching Tools:** How to craft a focused and compelling pitch that hits all the right marks. * **Effective Communication:** Techniques to ensure your message is not just heard, but understood and remembered. * **The Power of Body Language:** Learning how to project authority and leadership through your physical presence. * **Building a Personal Story:** How to weave your personal narrative into the business case to create a lasting emotional connection. . . **The Bonus:** In a special interactive segment, you will have the chance to present **your own pitch live** during the webinar and receive immediate, professional feedback to refine your delivery. This is a rare opportunity to get expert eyes on your work before your next big meeting. . . **Important notice ‼️** This is a focused investment in your professional growth, designed to ensure that the next time you stand in front of a decision-maker, you are fully prepared to win. For that reason, we ask for a symbolic participation fee of 44 ILS. . . . **About the Speaker** The masterclass will be led by **Elad Hollander**, a serial entrepreneur and a seasoned expert in the global startup ecosystem. Elad Hollander is the Accelerator Program Director at the Resilience & Health Innovation Hub, where he designs and delivers end-to-end curricula for high-impact entrepreneurial programs. With a decade of experience at the intersection of founding, fundraising, and mentoring, Elad has guided more than 200 startups through the journey from raw ideas to investor-ready ventures. As a serial entrepreneur, Elad served as the Co-Founder & CEO of New York-based Spoilme Inc and is a Founding Partner at the sports tech agency Partners for Sports. With years of experience guiding founders through high-pressure situations, he brings a unique blend of strategic insight and practical performance coaching. . . . **About Rescue** This masterclass is held as part of the development phase for **Rescue**, an app providing mental first aid for anxiety and stress. Founded during the events of October 7th, Rescue already serves over 10,000 users. Having successfully reached our initial funding goal, all contributions now go directly toward further technological development and expanding our reach to hospitals and medical centers. . . . **Registration & Important Information** Please note that clicking "Going" on Meetup does not secure your spot. Attendance is strictly managed through the project’s Headstart page. 1. **How to Register:** Visit the campaign link below and select the reward titled **"Pitch & Presentation Masterclass"** for 44 NIS. 2. **Deadline:** Registration will close on **April 30, 2026**. 3. **Contact Details:** You must provide a valid email address during the Headstart checkout process. 4. **Confirmation:** Only those who purchase the specific reward will receive an official confirmation email and a calendar invite with the webinar link. . . . **Link for Registration and Supporting Rescue:** [Click here to register on Headstart](https://headstart.co.il/project/89269?utm_source=meetup)

✨ **Pickleball Clinic (for all skill levels)** **(TUES MAY 5, 7-9)** **YOU MUST SIGN UP AND PAY PRIOR TO TUESDAYS CLINIC WITH LINK BELOW:** [Pickleball Summer 2026 - Calendar - Columbus Ski Club](https://www.columbusskiclub.org/content.aspx?page_id=4002&club_id=686961&item_id=2948671&actr=3) No equipment required (bring your own paddle if you prefer). Non beginners are also welcome for the clinic to improve skills and learn strategy. We will break the group into 2 to learn based on skill levels. Come out, improve your game, and meet great people. All skill levels welcome! \*\*\*Columbus Ski Club membership not required for the workshop.

✨ **Pickleball Clinic (for all skill levels)** **(TUES MAY 12, 7-9)** **YOU MUST SIGN UP AND PAY PRIOR TO TUESDAYS CLINIC WITH LINK BELOW:** [Pickleball Summer 2026 - Calendar - Columbus Ski Club](https://www.columbusskiclub.org/content.aspx?page_id=4002&club_id=686961&item_id=2948671&actr=3) No equipment required (bring your own paddle if you prefer). Non beginners are also welcome for the clinic to improve skills and learn strategy. We will break the group into 2 to learn based on skill levels. Come out, improve your game, and meet great people. All skill levels welcome! Columbus Ski Club Membership is not required for the workshops. Try out the sport before committing to the 8 week league.

🏓 **CSC Pickleball League – Join the Fun!** Whether you're competitive or just want to connect with fellow members, this friendly ladder league is for you! 🗓 **May 19 – July 7** ⏰ Tuesdays \| 7:00–9:00 PM 📍 Match Point Pickleball Club – 350 McCormick Blvd, Columbus 💲 $85 per player (no sub needed if you need to skip a week) **YOU MUST SIGN UP VIA LINK BELOW AND PAY PRIOR TO 5/17 TO RESERVE YOUR SPOT.** [Pickleball Summer 2026 - Calendar - Columbus Ski Club](https://www.columbusskiclub.org/content.aspx?page_id=4002&club_id=686961&item_id=2948671&actr=3) No equipment required (bring your own paddle if you prefer). Partners rotate weekly, and skill levels are assigned by the facility—no experience needed! Come out, improve your game, and meet great people. All skill levels welcome! Columbus Ski Club Membership is required to participate - don't worry its not expensive and allows you annual access to many other sports leagues and activities along with trips! Sign up for membership here and then proceed to sign up for Pickleball league. Please reach out with any questions! [New Member Sign Up - Columbus Ski Club](https://www.columbusskiclub.org/content.aspx?page_id=60&club_id=686961)

**How does a TennisColumbus Season / League run?** The league advertises the season dates and builds a queue of committed players for the season. **Kickoff Day - June 10th** The start day of the season, players are sent a kickoff email that contains important information about the league, the link where your league standings and players contact information. We guarantee 6 playing partners at your playing level, but have been averaging closer to 15+ partners in most cities. The number of different levels we run is solely based upon the number of players enrolled for the league kickoff. Typically we are running a Skilled-3.0, Competitive-3.5 and Advanced-4.0 in most cities. **Your Task - "Flexible Scheduling"** After this kickoff email is sent, it is the **player's task to communicate with other players**. Players should work with their partners to find an agreeable time and location to play the match. While TennisColumbus doesn't mandate your playing schedule, it is recommended that players schedule at least one match per week. By request of the players, we started to allow players to play 1 rematch per season. The regular season is all about playing as much as you can. As of Feb. 10, 2026 we've had an amazing 2,017 players play more than [20 matches in a season](https://www.tenniscolumbus.com/info/MatchesInSeason). **Where to Play?** Play at your local free tennis courts, tennis parks, condo courts or tennis clubs. The league strongly suggests that players jointly try to pick a tennis court location convenient to both. We provide an extensive list of [tennis courts](https://www.tenniscolumbus.com/TennisCourts), including # of courts, lighting, hitting walls, etc. We strive to keep this list up-to-date. TennisColumbus sets up a must play dates to push players out on the courts. The final deadline is the date marking the end of the season, at which point players with 3-5 wins (Actually total is specified on the division page) will qualify for a post-season playoff to determine the league champion. **How to Play?** Players can use three mostly standard playing formats: 2 out of 3 sets, 2 sets with 10 point super tie-breaker or the 10-game pro set (First to 10, used when court time is limited). On Feb. 2018, we added Fast Tennis 4 game pro set format as a valid format. **Playoffs** Each season concludes with a playoffs where players with anywhere from 3 to 5 season wins qualifies for a single elimination tourney. The champion is awarded based upon the league [Prize Pool](https://www.tenniscolumbus.com/info/prize_pool3). Each singles league champion also receives a playing entry into one of two national championships we run. **[JOIN TODAY](https://www.tenniscolumbus.com/join)** Full price is $39.95 to play in a season. The earlier you sign up we typically offer discounts during these tough economic times. Just go to the [Join Page](https://www.tenniscolumbus.com/join) and complete the short form. We'd be happy to find you dedicated tennis playing partners.

**📅 DATE:** Friday, May 1st, 2026 **⏰ TIME:** 7PM–9PM (Check-in from 7PM–8:30PM) **📍 WHERE:** DraftKings Sports & Social – 840 N. High St., Columbus, OH **🎟️ Check in:** at the host stand when you arrive say, **"DK Meetup Social"** 🍻 Join us for a fun, social night out! Meet new people, grab a drink, and kick back in a high-energy atmosphere right in the heart of Columbus 🎉 🎯 **What to Expect:** 🎶 DJ starting at 9PM 🏓 “Water” Pong + games 📺 Huge 37ft TV wall for all the live sports action 🥂 **Drink & Food Specials (7PM–9PM):** $3 Domestic Drafts – Miller Lite & Coors Light $3 Well Liquor Cocktails $4 Select Call Liquor – Tito’s, Bacardi, Tanqueray, Dulce Vida Blanco, Jameson & Jack Daniel’s $4 Topo Chico Seltzers $5 White Tea & Green Tea Shots $3 OFF Appetizers (excluding traditional bone-in wings) **📌 Quick Details:** 🔞 21+ only 🚗 Parking available at Hubbard Garage (behind venue) Pull up, bring your crew (or come solo), and get ready for a great night out 🥂