Dereque Kelle

QGD Be7

This app is an investigation of important and fascinating line of Queen’s Gambit Declined of 3...Be7. In a style, that you might be familiar based on ...

Carlsbad

This app is a deep dive into Carlsbad variation of the Queen’s Gambit Declined. In a style, that you might be familiar based on chessopenings.com vide...

Openings

Companion app for ChessOpenings.comCheck out video explanations for all the major chess openings from national master Dereque Kelley. There are over 7...