Playing Against the Nimzo-Indian Defense: Bd2

After 4.Bd2 b6, Black has declared their intention: they will fianchetto their light-squared bishop on b7, control the long diagonal, and put pressure on your centre — especially the d4- and c4-pawns. Black's dark-squared bishop on b4 is also annoying, pinning your knight on c3. Your job as White is to complete development without creating weaknesses, and to decide how to handle the pin on the knight. The engine's evaluation of +0.21 tells you that this position is essentially equal — you are slightly better, but only just barely. You aren't winning out of the opening; you're in a balanced fight where good positional play matters more than tricks.

Stockfish's top recommendation is the quiet move e3, preparing to develop your bishop to d3 and then castle kingside. After e3, the natural continuation is ...O-O, Bd3, and ...Bb7. This setup keeps your centre solid and doesn't force matters prematurely. The idea is simple: complete your development, protect your king, and let Black show you their plans before you commit to anything aggressive. The e3 move also prepares to break the pin on the c3-knight later with Ne2 or by pushing d5 at the right moment. It's unglamorous, but it keeps the balance.

The most tempting alternative is e4 — it gains space, attacks the centre, and looks natural. But the engine flags e4 as an inaccuracy that loses about 0.7 pawns of advantage (the evaluation flips in Black's favour). The FACTS list shows that e4 has been played 7,225 times, and White scores only 41.6% from it — the worst result of any major continuation. Compare that to f3, which scores 50.5% for White despite being rare (2,473 games). The problem with e4 is that it weakens the d4-pawn and opens lines for Black's fianchettoed bishop on b7. After e4, Black can strike back with ...d5 or ...c5, and your centre suddenly becomes a target rather than an asset. Resist the urge to push e4 too early.

With over 86,000 games to draw from, the statistics give you a clear picture of the most popular responses and their results: - a3 (34,251 games — the most common): White scores 44.6%. This provokes Black to exchange or retreat, but it costs a tempo and doesn't develop a piece. - Nf3 (20,751 games): White scores 47.1%. A natural developing move, but it doesn't address the pin on c3 directly. - e3 (14,726 games, engine's choice): White scores 46.1%. Solid but unambitious — and the stats show it isn't a scoring miracle. - e4 (7,225 games): Only 41.6% — the worst-scoring main option and also an inaccuracy. - f3 (2,473 games): White scores 50.5%, the highest win rate of any reply. That's an interesting practical weapon: it prepares e4 while covering the g4-square. - Qc2 (1,970 games): 47.4% — a flexible move that unpins the knight by attacking the bishop on b4. No single move gives you a huge statistical edge. The takeaway? Play solidly, develop naturally, and don't force the issue.