Opening guide

English Opening: Great Snake Variation with Nc3 – Playing as Black

ECO A10 245,754 games Stockfish +0.24

If you enjoy flexible, hypermodern setups that avoid tons of forced theory, the Great Snake Variation is a fantastic choice. After 1.c4 g6 2.Nc3 c5, you've built a solid, symmetrical barrier against White's English Opening. The engine evaluates this position at +0.24 — a tiny edge for White, but in practice it's remarkably balanced. Across 245,754 games, Black actually scores 47.0%, which is dead even once you account for White's usual first-move advantage. The position below is the critical moment: it's White's turn, and how they react will shape the entire middlegame. Let's see what the statistics and the engine recommend.

On this page
  1. Practice against the engine
  2. Why the Great Snake Works for Black
  3. White's Most Popular Replies – How to Meet Them
  4. The Engine's Recommended Line
  5. Don't Fall for the e4 Trap
  6. Real-game results
  7. FAQ
  8. More English lines

Play the English Opening: Great Snake Variation: Nc3 against the engine

Free, no signup — you play black, the engine adapts to your level.

Now that you know the plan, it's time to put it into practice. Jump into the interactive drill below and play the Black side of the Great Snake against the Lask

Find your own #1 mistake — free →

Why the Great Snake Works for Black

This setup is all about keeping the centre flexible while preparing to strike back. By playing 1...g6 followed by 2...c5, you mirror White's structure and aim to develop your dark-squared bishop to g7, where it will eye the centre and the long diagonal. Unlike in some sharp Sicilian lines, you're not committing your d- or e-pawns early — you're waiting to see what White does. This makes the Great Snake a great weapon for club players who want a playable, principled position without memorising dozens of move orders. The statistics back up its reliability: Black wins 47.0% of the time, which is excellent in an opening where White traditionally scores slightly over 50%.

Don't Fall for the e4 Trap

The database flags e4 as a known inaccuracy from White — it loses about 0.6 pawns of evaluation compared to the best move Nf3. Why? Because e4 creates a target in the centre. After 1.c4 g6 2.Nc3 c5 3.e4, Black can immediately strike with ...Bg7 followed by ...Nc6 and a well-timed ...d5 or ...b5 break. White's pawn on e4 is exposed without sufficient development to defend it, and the dark squares around White's position become inviting targets for your bishop. If you see your opponent play e4 here, smile — you've already got a small edge in your pocket. Just develop naturally, keep an eye on that e4 pawn, and you'll find yourself with a comfortable game.

Results across 245,754 Lichess games

48.8%
4.2%
47.0%
White 48.8% Draw 4.2% Black 47.0%
Most-played continuationGamesWhite wins
1 g3Main line 96,723
49.9%
2 Nf3 52,133
49.0%
3 e3 33,184
48.5%
4 e4 26,595
47.4%
5 d3 17,349
48.4%
6 d4 7,657
48.1%

Frequently asked questions

Is the Great Snake Variation good for beginners?

Yes, it's an excellent choice for club players. The setup is simple — fianchetto your bishop, develop your knights, keep the centre flexible. You don't need to memorise many sharp lines, and the **47.0%** Black win rate shows it's perfectly viable even at higher levels.

What does Black want to do in the Great Snake?

Black's main plan is to develop the bishop to g7, put a knight on c6, and maintain the tension in the centre. You're waiting for White to commit to a pawn structure, then you'll strike with either ...d5 or ...b5 to create counterplay. The long diagonal for your bishop is your greatest asset.

Is 3.e4 a mistake for White?

It's classified as an inaccuracy, costing about **0.6 pawns** compared to the best move Nf3. White pushes the e-pawn too early, creating a target. You can punish it with natural development — **...Bg7**, **...Nc6**, and later a well-timed central break.

How do I face 3.g3 as Black?

The most common reply is **3...Bg7**, and after **4.Bg2 Nc6** you're in a standard position. White has many options — Nf3, e3, d3 — and you respond the same way each time: complete development, castle kingside, and wait for the right moment to challenge the centre.