Gambit guide

Zukertort Opening: Tennison Gambit – After 3.e5 (Nf6)

ECO A06 132,788 games Stockfish +0.63

The Tennison Gambit starts with 1.e4 d5, and after 2.Nf3 Nf6 you push 3.e5 – a bold space grab that immediately asks Black a question. This isn't a quiet opening; White is already claiming a plus. The engine gives +0.63, a clear edge for you. That means you are slightly better right out of the gate. Black has several ways to respond, but the statistics show you score well against all of them. The drill below will let you practise the position and learn which replies punish your opponent and which ones you need to watch out for.

On this page
  1. Practice against the engine
  2. What You’re Fighting For
  3. How to Meet the Most Popular Reply: 3…Ne4
  4. The Engine’s Choice and Why It Matters
  5. Punish Black’s Mistakes
  6. What the Statistics Reveal
  7. Real-game results
  8. FAQ
  9. More Zukertort lines

Play the Zukertort Opening: Tennison Gambit: Nf6 against the engine

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Ready to put this into practice? Play the interactive drill below and see how you handle Black’s every reply. Create a free Chessy account to track your results

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What You’re Fighting For

After 1.e4 d5 2.Nf3 Nf6 3.e5, White has pushed Black’s knight back and gained space in the centre. Your pawn on e5 is a strong outpost that cramps Black’s development. Black’s main task is to challenge that pawn or find an active square for the knight. You, on the other hand, want to keep the centre closed, develop rapidly, and prepare to strike with d4 and later c4. The engine shows +0.63 – a small but real plus for you. You are slightly better, and the key is to keep the initiative without overextending. Black’s knight is the piece under pressure; whichever square it retreats to will shape the whole game.

The Engine’s Choice and Why It Matters

Stockfish’s top recommendation in this position is 3…Nfd7, which leads to the continuation Nfd7 d4 c5 c4. With 46,307 games played, it’s Black’s second most popular move, and White scores a solid 53.2%. This line turns into a French Defence-like structure with colours reversed – White has an extra tempo and a space advantage. You should be comfortable playing against the …c5 break, because your d4 pawn is already defended, and the c4 push can create a favourable pawn tension. Knowing this line will help you face the strongest defence Black has.

Punish Black’s Mistakes

Not every Black reply is respectable. Three moves in particular hurt Black’s chances, and you can take advantage. 3…Ng4 (21,845 games) is an inaccuracy that loses roughly 0.8 pawns – the best move was Nfd7. White scores 59.7% here, so you should be confident. 3…Nh5 (1,719 games) is also an inaccuracy, losing about 0.7 pawns, and White’s win rate jumps to 68.4%. The worst offender is 3…Bg4 (898 games), a full mistake costing roughly 2.2 pawns. White wins a staggering 75.1% of those games. Against all of these, simple development and pressure on the knight will give you a huge advantage.

What the Statistics Reveal

Over 132,788 games at this exact position, White wins 56.5% of the time, draws 3.2%, and Black wins 40.3%. That is an impressive plus for White in practical play. The engine evaluation (+0.63) confirms that the position is objectively better for you, and the human results show that this advantage converts into wins more often than not. Even against Black’s best reply, Nfd7, you still score 53.2%. This is a reliable opening to spring on opponents who don’t know the subtleties of the Tennison Gambit.

Results across 132,788 Lichess games

56.5%
3.2%
40.3%
White 56.5% Draw 3.2% Black 40.3%
Most-played continuationGamesWhite wins
1 Ne4Main line 53,931
57.2%
2 Nfd7 46,307
53.2%
3 Ng4 21,845
59.7%
4 Ng8 6,466
53.7%
5 Nh5 1,719
68.4%
6 Bg4 898
75.1%

Frequently asked questions

Is the Tennison Gambit good for White?

Yes, statistically it is. After 1.e4 d5 2.Nf3 Nf6 3.e5, White has a +0.63 engine evaluation and wins 56.5% of games in the Lichess database. That's a clear practical plus for White.

What is Black’s best move after 3.e5?

The engine recommends 3…Nfd7, which is also Black’s second most popular move. It leads to the line Nfd7 d4 c5 c4, where White keeps a slight advantage but the position becomes more structured.

Should I be worried about 3…Ne4?

Not at all. 3…Ne4 is Black’s most common reply, but White scores 57.2% against it. The knight on e4 is unsupported and can be kicked away with d3, or you can simply develop with d4 and trust your space advantage.

What are Black’s biggest mistakes here?

3…Bg4 is the worst, a mistake that loses about 2.2 pawns – White wins 75.1% of those games. 3…Ng4 and 3…Nh5 are inaccuracies that each cost roughly 0.7–0.8 pawns, and White scores well against both.

How many games feature the Zukertort Opening: Tennison Gambit: Nf6?

Over 132K Lichess games have reached the Zukertort Opening: Tennison Gambit: Nf6 position. White wins 56.5%, Black wins 40.3%, with 3.2% draws — based on real rated games.