Chessy
Sicilian Defense: Frederico Variation — Can Black Survive?
If you enjoy sharp, offbeat openings, the Sicilian Defense: Frederico Variation (1.e4 c5 2.Nf3 g6 3.d4 f5) might catch your eye. That third move — f5 — hits back at White's centre immediately, but the engine verdict is brutal: Stockfish rates this +2.08, a near-winning advantage for White. That means you are in serious trouble right out of the opening. Across 183 games Black scores only 25.1%, with White winning 71.6% of the time. The drill below puts you in Black's shoes to see if you can find the best defensive ideas after White's strongest reply.
Play the Sicilian Defense: Frederico Variation against the engine
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Try the interactive drill below — play the Black side of the Frederico Variation against the engine and see if you can survive the opening. Create a free Chessy
Create a free account →The Critical Moment: White Plays exf5
After 1.e4 c5 2.Nf3 g6 3.d4 f5, White's best move is exf5 — capturing the pawn you offered. This has been played 92 times in the database, and White scores a crushing 82.6% from here. The engine continues with exf5 gxf5 Nc3 Nf6, developing rapidly while your kingside structure is compromised. Your f5-pawn becomes a target, and White's pieces will look to exploit the open f-file and your weakened dark squares. The key question is whether you can drum up enough counterplay in the centre to offset your vulnerable king.
What the Statistics Tell You
The numbers are sobering, and it's important to face them honestly. In the Lichess database of 183 games from this exact position, White wins 71.6% of the time, Black wins only 25.1%, and 3.3% end in draws. The most popular move, exf5, gives White an 82.6% score — almost a five-to-one win ratio. Other moves by White are less punishing: dxc5 scores only 35.0% for White, and even the inaccurate e5 and d5 still score 60.0% and 83.3% respectively. This opening is an uphill battle from move four.
Mistakes White Can Make — and How to Punish Them
Not every White player knows the theory. The database flags three sub-optimal moves you can pounce on: - e5 (a mistake, losing ~1.1 pawns) — White pushes instead of capturing. If you see this, you can seize the initiative in the centre. - d5 (an inaccuracy, losing ~0.9 pawns) — White lashes out with another pawn. Keep calm and develop with gain of time. - Bd3 (a mistake, losing ~1.6 pawns) — White develops to a natural square but overlooks the stronger exf5. This is the most punishing error: you can quickly turn the tables. Against any of these, your position suddenly becomes playable or better. Stay alert; many opponents will oblige.
Typical Plans After the Best Response
If White does play exf5 (the engine's top choice), you reach the line: exf5 gxf5 Nc3 Nf6. Your doubled f-pawn is a long-term weakness, but it also gives you some central influence. Look to complete development with ...Nc6, ...Bg7, and ...0-0, then challenge White's centre with ...d6 or ...e5. Your king is safer on the kingside than it looks — White's own pawn on f5 can provide a bit of shelter. The real danger is that White's lead in development and space advantage can become overwhelming if you don't create counterplay quickly. Keep the position messy, trust your tactical eye, and remember: you're playing for swindles and mistakes, not a theoretical advantage.
Results across 183 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| exf5 | 92 | 82.6% |
| e5 | 35 | 60.0% |
| dxc5 | 20 | 35.0% |
| Nc3 | 20 | 80.0% |
| d5 | 6 | 83.3% |
| Bd3 | 3 | 66.7% |
Frequently asked questions
Is the Frederico Variation playable for Black?
Objectively it is very risky. Stockfish gives White a near-winning +2.08 advantage, and in practice White scores 71.6% from this position. That said, it is a tricky line that can catch unprepared opponents off guard, and if White doesn't know the best reply (exf5), Black can quickly take over.
What is White's best response to 3...f5?
The engine's top move is exf5 (capturing the f-pawn), which leads to exf5 gxf5 Nc3 Nf6. This is the most testing continuation, played in 92 games with White scoring 82.6%. Other moves like e5, d5, or Bd3 are mistakes that give Black real chances.
How should Black play after exf5 gxf5?
Develop quickly: Nc6, Bg7, and castle kingside. Your doubled f-pawn is a weakness, but it also controls e4. Aim to challenge White's centre with ...d6 and eventually ...e5. Keep an eye on tactics — your position is worse, but it remains sharp.
What is the ECO code for the Frederico Variation?
The Frederico Variation falls under ECO code B27, which covers unusual Sicilian lines starting with 1.e4 c5 2.Nf3 that do not enter the Open Sicilian main lines.