For years in the Chessable forum, people kept asking for Opening Explorer to:
✅ Filter lines based on the courses they own
✅ Search for a position in the Chessable library
✅ And make the numbers mean something
Chessable’s new Opening Explorer does all three.
Instead of a frozen snapshot, it pulls live stats from Chessable’s Masters database and Chess.com’s online database.
You can filter by rating range, time control, and date. If you play blitz, you can now see what actually gets played in blitz.
Then there are “quality of life” improvements…
Drag-and-drop PGN uploads, drop-down search filters to keep your research focused, plus a “Related Courses” widget that points you to the course that covers the position on your screen.
To help you get more out of this upgrade, here are 4 chess prep things you can now do better and faster with Opening Explorer v2.
1. Search For Lines and Positions In Courses You Own
Let’s say you run into a line you haven’t trained. You’re pretty sure it’s covered by one of the several titles already in your library. You just don’t know which.
So you upload your game through the FEN/PGN widget:
Set the “Related Courses” filter to the color you played, then check “Owned Only.”
And there it is! You’re shown which courses you own already cover the position.
Better yet:
If you click on the “Related Course,” you get a list of the exact lines covering your position.
Click “Learn” on any of them…
And the next window puts you in MoveTrainer, drilling the line.
2. Pick The Best Alternative Lines That Suit The Chess You Play
Five-star courses give you options.
A sharper or quieter continuation. Maybe a line that keeps the pieces versus one that trades down to a risk-free endgame.
The author lays down the main move and alternatives, then leaves the choice to you.
But taste is a guess. And you’re about to spend weeks of reviews on it.
So instead, you check what actually happens at your rating and in your time control before committing.
Start by clicking “Courses” on the left-hand search widget. Choose “Find Course” from the drop-down menu, then search for the repertoire you’re training.
The course loads in the “Opening Tree” widget. Then you play through the moves until you reach the branching point where the author gives you options.
Now set the filters. Set Chess.com as the Source. Set the rating range to yours. Then set the time control to what you play.
The stats in the Opening Tree updates. Now you’re not just choosing based on taste. You’re choosing between moves for the results they deliver — at your level and in your favorite format.
3. Compare How Different Courses You Own Handle The Same Line
You own 3 courses that cover the same opening. That’s 3 highly acclaimed authors with 3 distinct answers to the same position, and no easy way to compare them side by side…
Until now.
Click on “Courses” in the left-hand search widget. Choose “All Owned Courses” in the drop-down menu.
Set “Related Courses” to the color you’re playing and check “Owned Only.” Then play the moves of the line you want to examine.
In my example above, after 1.e4 e5 2.Nf3 Ncf6 3.Bc4 d6, 3 courses in my library go their own way: 4.d4 (Levy Rozman), 4.c3 (Baskaran Adhiban), and 4.O-O (Anish Giri).
From here, you can click on each course and open the MoveTrainer lines covering your position.
You get each author’s reasoning in full — why this move, what it’s aiming for, and how the middlegame plays out.
Then you filter the Opening Tree for your rating range and time control.
With 3 top chess authors and their arguments, plus the scoring data at your level, you now have the complete picture for making the right choice. One that aligns with both your taste and the stats.
4. Better Prepare Against Tricky Gambits With Counters That Suit Your Playstyle
Almost everyone has this rare, nemesis opening they’re supposed to beat, yet keep losing to.
An unsound gambit. A trappy opening that relies on pure geometry. A player may have a line or two already prepared, but they need one that’s better suited to their style.
To fix this, choose “Courses” in the left-hand search widget. Then select “All Chessable Courses” from the drop-down menu.
Next, enter the moves of the opening line you have trouble facing.
Filter the “Related Courses” list for the color you’re playing. Then click “Shop More”…
Which takes you to the Chessable course marketplace.
From here, you want to select “Not Owned” under the “Tags” filter.
This resulting page shows you all of the courses which cover your problem variation.
If you’re a PRO member, you can check the course’s lines using variation preview, or grab a PRO-exclusive Short & Sweet course that covers your problem variation.
Wrapping Up
Anything that the old Opening Explorer could do, the new one can do better and with fewer clicks.
These use cases we’ve shown you are only the tip of the iceberg. You can count on the power users in the community to come up with more creative ways to make the most of this upgrade.
Try Chessable’s New Opening Explorer today, and let us know how you like it.
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