Inside the New Pitching & Hitting Models: 643 Adds Predictive Analytics to SYNC

Written By: Luke Smailes Over the last few months, we’ve added two tabs to our…


The Diamond Sports Ranking: A Modern Alternative for College Baseball and Softball

Written By: Forrest Allen Why a New System? In 1981, IBM introduced the first…


An Introduction to the 643 Defensive Shift Model

Written By: Forrest Allen Shifting defenders certainly isn’t a new concept, but…


A New WAR Metric for College Baseball & Softball

Written By: Luke Smailes Last Spring, we debuted Weighted Wins Above Average…


6-4-3 Charts Announces Partnership with GoRout

6-4-3 Charts and GoRout are excited to announce a new partnership that will…


Introducing Defensive Runs Saved for College Baseball & Softball

Written by: Luke Smailes We at 643 Charts are excited to bring Defensive Runs…


What Batted-Ball Metric Best Measures Offensive Production in Division 1 Baseball?

Written By: James Kim Introduction Over the past few years, batted ball metrics…


An Introduction to Weighted Heat Maps

Written By: Forrest Allen and Natalie Hansen 6-4-3 Charts recently introduced…


How to Use Custom Rosters for Transfer Portal Player Evaluation

Coaches- Have access to the NCAA transfer portal, but want more information…


What is Vertical Approach Angle Anyway?

An explanation of its definition, function and why we care Written By: Sam…


Win Probability V2

Written By: Luke Smailes Prior to the 2022 season, we released our first…


An Introduction to the 643 Catcher Framing Tab and Framing+

Written By: Luke Smailes In September, 6-4-3 Charts introduced a revamped…


When to Shift: Defensive Positioning in College Baseball and Softball

Written By: Andrew Sumner & Natalie Hansen With increased collection and…


From College to Pro: Softball Stars Dominate in Athletes Unlimited

Written By: Natalie Hansen With millions of viewers watching the 2022 Women's…


From College to Pro: Softball Stars Dominate in WPF

Written By: Natalie Hansen On June 9th, Mary Iakopo concluded her college…


Scout Angles: Recapping the Top Players of D1 Baseball's 2022 Transfer Portal

Written By: Natalie Hansen With the conclusion of the college baseball and…


The Platoon Advantage and Handedness in College Baseball and Softball

Written By: Natalie Hansen There has been a long standing debate in baseball…


Last In, Last Standing: Ole Miss Baseball Claims Their First-Ever National Championship

Written By: Natalie Hansen On Sunday June 28th, the Ole Miss Rebels claimed a…


Mind-boggling Facts about Oklahoma Softball in their Repeat Championship Season

Written By: Natalie Hansen A Championship Season In gaining their 6th National…


From D3 to D1: St. Thomas Upsets South Florida

Written By: Natalie Hansen On Sunday March 20th, St. Thomas (MN) softball beat…


To Bunt or Not to Bunt? An Instant Classic From FSU and UCLA

Written By: Natalie Hansen A Look at the FSU vs UCLA Extra Inning Showdown The…


Introducing Win Probability and the Excitement Index

Written By: Natalie Hansen   After a close game, it's easy to remember big…


The Role Velocity, Count, and Pitch Location Have on Swing Decisions

Walker Gentz applies his pitch result prediction model to analyze the role that…


An Intro to Predicting Pitch Results with Machine Learning

   Picture of Austin Love courtesy of @DiamondHeels Twitter   Oft looked at as…


Scout Angles: The Top Players of D1 Softball’s 2022 Transfer Portal

With extra eligibility all over the country due to the fallout from COVID-19,…


Scout Angles: The Top Players of D1 Baseball's 2022 Transfer Portal

With extra eligibility all over the country due to the fallout from COVID-19,…


Scout Angles: The 2021 D3 Baseball All-American Snubs

In the third edition of Scout Angles, Luke Smailes and Greg Hunter focused on…


Scout Angles: The 2021 D1 Baseball All-American Snubs

In the second edition of Scout Angles, Greg Hunter and Luke Smailes shift their…


Scout Angles: The 2021 D1 Softball All-American Snubs

With the NFCA's all-American nominations after the 2021 season, Greg Hunter and…