Study Chess
Starting Position
Best Move
e4
Evaluation
Score: 0.2
Engine Line
1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Qe2 Bb4+ 7. c3 Bc5 8. e5 Nd5 9. c4 Nb6 10. Nc3 O-O 11. Be3 d6
Starting Position
e4
Score: 0.2
Engine LineThe opening study board lets you play through chess openings move by move on an interactive board while Stockfish evaluates each resulting position. You can start from the initial position, jump straight to a named opening, or paste a FEN, then branch off the main line to see how the engine judges the alternatives. It is designed for building a repertoire you understand rather than one you have only memorised.
Memorising an opening line teaches you what to play but not why, which fails the moment your opponent deviates. Watching the evaluation shift as you step through a line shows you which moves are actually load-bearing and which are flexible, so when you face an unfamiliar reply you can reason from the position instead of guessing at forgotten theory.
Openings that produce positions you understand are worth more than openings with the best theoretical reputation. Beginners generally get further with the Italian Game, the London System, or the Caro-Kann, because each leads to structures that repeat and plans that stay recognisable, rather than sharp lines where a single forgotten move loses on the spot.
Not at club level. Understanding the typical pawn structures and plans of a few openings does more for your results than memorising long theoretical lines, because most games leave known theory within the first ten moves anyway.
One reliable answer as White and one against each of 1.e4 and 1.d5 as Black is enough to cover the great majority of your games. Adding more openings before you understand the ones you already play tends to spread study time too thin.
Yes. Stockfish evaluates each position as you play through it, running locally in your browser via WebAssembly.
Yes. The opening study board is free and requires no registration.