Chessy
Bishop's Opening: Paulsen Defense — play Black
After 1.e4 e5 2.Bc4 Nf6 3.d3 c6, you reach a position that is often quiet on the surface but still very concrete. White to move, and your job as Black is to stay organised, answer the main tries accurately, and avoid drifting into passive development. This lesson is built around the exact drill position, so you can practise the most important choices against an adapting engine instead of just memorising an opening line.
Play the Bishop's Opening: Paulsen Defense against the engine
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Create a free account →What the position asks of Black
This opening starts from a simple-looking structure, but the move order matters. With 3...c6, you are supporting a solid setup and preparing to meet White's plans without rushing. The engine's recommendation is clear: after the position is reached, it likes Nf3 for White, and the continuation given is Nf3 Be7 O-O d6. That tells you what kind of game to expect: White wants easy development, while you must keep your own position coordinated and ready to respond to natural piece placement.
What the database says here
The position has been played in 1,048,611 games at this exact spot, so this is not a niche surprise. The results are very close, but White has the more comfortable numbers overall: White wins 47.6%, draws 3.7%, Black wins 48.7%. Stockfish rates this +0.32, a small edge for White. That means you are slightly worse here, so your goal is not to force complications at any cost, but to know your replies and keep the game under control.
The moves White tries most
White's main continuations are all very similar in spirit: develop pieces and keep options open. The most-played move is Nf3 with 263,083 games, followed closely by Bg5 with 256,713 games. Nc3 appears in 118,442 games, a3 in 113,332 games, c3 in 72,240 games, and h3 in 70,317 games. In practical terms, you should expect quiet development first, not an early tactical storm. This drill helps you recognise those familiar setups and answer them cleanly.
The inaccuracies to punish
The database flags three White moves as inaccuracies in this position: Bg5, a3, and c3. Bg5 loses about 0.5 pawns compared with the best move, a3 loses about 0.8 pawns, and c3 loses about 0.7 pawns. In each case, the better move was Nf3. That is useful for Black because it tells you which lines are less accurate and where White is already drifting away from the engine's preference. If your opponent plays one of these moves in the drill, stay calm and keep developing normally.
How to handle the best line
The engine's best move is Nf3, and the sample continuation is Nf3 Be7 O-O d6. The practical lesson is straightforward: do not panic when White develops naturally. Meet active development with solid development of your own, keep your position coherent, and be ready for a middlegame where both sides have completed development. This opening suits players who prefer structure, patience, and clear piece placement rather than sharp forcing lines.
Results across 1,048,611 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| Nf3 | 263,083 | 49.2% |
| Bg5 | 256,713 | 47.0% |
| Nc3 | 118,442 | 48.2% |
| a3 | 113,332 | 46.6% |
| c3 | 72,240 | 45.6% |
| h3 | 70,317 | 47.6% |
Frequently asked questions
What is the main idea of the Bishop's Opening: Paulsen Defense for Black?
The main idea is to answer White's early bishop development with a solid, orderly setup. After 1.e4 e5 2.Bc4 Nf6 3.d3 c6, you are aiming for a position where your pieces stay coordinated and White does not get an easy initiative.
Is this opening good for Black?
The numbers are close, but Black does not have the better of it according to the engine. Stockfish rates the position +0.32, a small edge for White, so you should treat it as slightly unpleasant but very playable if you know the plans.
What is White most likely to play here?
The most-played move is Nf3, with Bg5 and Nc3 also very common. In total, the database shows that White often chooses quiet development moves rather than anything forcing.
Which White moves should I be ready to punish?
Bg5, a3, and c3 are all marked as inaccuracies in this position. The engine prefers Nf3 instead, so those moves give you a chance to meet a less accurate plan while keeping your own setup sound.
How many games feature the Bishop's Opening: Paulsen Defense?
Over 1 million Lichess games have reached the Bishop's Opening: Paulsen Defense position. White wins 47.6%, Black wins 48.7%, with 3.7% draws — based on real rated games.