Getting Started with GEDmatch Tier 1 Tools | One-to-Many Essentials & Match Strategies

Join GEDmatch Product Manager Tom Osypian and genetic genealogist Ryan Russell for a deep dive into GEDmatch's One-to-Many tool — the home base for all your DNA research on the platform. Whether you're brand new to GEDmatch or a seasoned Tier 1 member looking to sharpen your skills, this webinar walks you through everything you need to get real results from your DNA matches. In this webinar, you'll learn: 🔹 How to read and use every column in your One-to-Many match list — kit numbers, centimorgans, largest segments, haplogroups, overlap, and more 🔹 The difference between free and Tier 1 One-to-Many features 🔹 How to use Multi-Kit Analysis tools like the A Matrix and Tag Groups to organize your matches by paternal and maternal lines 🔹 10 practical strategies for figuring out how you're related to mystery matches 🔹 Tips for using In Common With, Q One-to-One Matching, X-DNA, segment mapping, and more About Ryan Russell Ryan is a genetic genealogist who specializes in unknown parentage cases through Open Door Genetics. He also works with Investigative Group and Moxie Forensic Investigations. Find his "How to Find Your Family Using DNA" video series on YouTube — search Open Door Genetics. About GEDmatch Tier 1 GEDmatch Tier 1 gives you access to advanced tools including expanded match limits (7,500 vs. 3,000), relationship prediction, Q One-to-One Matching, Multi-Kit Analysis, Tag Groups, Super Kits, column search filtering, and much more — all for $10/month or $100/year. Upgrade at https://www.gedmatch.com This webinar was free and open to everyone. Future webinars in this monthly series will be available exclusively for Tier 1 members. Stay tuned for next month's topic: "From Segments to Stories: Turning DNA Data into Ancestral Discoveries," covering Segment Search and Triangulation. 📬 Questions? Visit our forums at https://forums.gedmatch.com or contact [email protected] 📺 Subscribe for future content and updates from GEDmatch. Timestamps: 0:00 – Welcome & introductions 5:50 – What is One-to-Many and why it's your home base 7:31 – How to access and run One-to-Many 9:55 – Reading your match list: all columns explained 15:46 – Total cM and Largest Segment — what they tell you 17:58 – Relationship prediction (Tier 1) and One-to-One comparison 20:02 – Q One-to-One Matching: the most accurate cM reading 21:38 – In Common With (ICW) — finding shared matches 23:30 – Source, Overlap, Age, and Haplogroup columns 26:52 – Multi-Kit Analysis: A Matrix and Tag Groups 32:14 – Free vs. Tier 1 feature comparison 34:35 – 10 strategies for identifying mystery matches 49:37 – Live Q&A #GEDmatch #GeneticGenealogy #DNA #FamilyHistory #Genealogy #DNAMatches #Tier1 #OneToMany