The Sokolsky Opening: e5 – A Surprising Weapon for White

ECO A00 3,988,907 games Stockfish -0.38

You've stepped off the beaten path with 1.b4, the Sokolsky Opening. After 1.b4 e5 2.Bb2, you're already asking Black a question: do they know how to respond? The engine rates this position at -0.38, a small edge for your opponent, meaning you are slightly worse — but don't let that discourage you. The statistics across nearly four million games tell a different story: White actually wins 55.4% of the time, compared to Black's 41.2%. That's a huge gap between the engine's cold evaluation and real human results. Below, you'll find the best continuation, the most common Black replies, and the mistakes you can punish to turn this offbeat opening into a practical weapon. Play through the drill and see how it feels.

Play the Sokolsky Opening: e5 against the engine

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

Ready to try the Sokolsky Opening? Play through the positions below and see how you score against the most common Black replies.

Create a free account →

The Core Idea Behind 1.b4

The Sokolovsky Opening, also known as the Orangutan or Polish Opening, starts with a simple idea: control the c5 square and develop your bishop to b2, where it eyes the centre and the kingside. After 1.b4 e5, you immediately play 2.Bb2 — your bishop is doing what it wants, pressuring the e5 pawn. Black has to decide how to react: defend the pawn, counterattack it, or ignore it and develop. The engine says Black should capture the b4 pawn with 2...Bxb4, but that line is far from straightforward. In practice, most club players don't know the theory, and that's exactly where you gain an edge. You're aiming for a flexible, slightly unusual position where your opponent has to think for themselves early on.

The Engine's Best Answer (and What It Means)

Stockfish's top choice for Black is 2...Bxb4, capturing your b-pawn immediately. After that the engine suggests 3.Bxe5, recovering the pawn right away, followed by 3...Nf6 4.c4. That's the critical line — White gives back the pawn on b4 but gets a solid centre and active pieces. If your opponent knows this exact line, you'll be playing a roughly equal game where you are slightly worse, as the evaluation suggests. But here's the catch: in real play, even the players who choose 2...Bxb4 score only 59.0% for White — meaning you still win three games out of five from that position. The engine line is playable and sound, and the drill will walk you through it.

The Most Popular Black Moves (and Your Results)

The most common move by far is 2...d6, with over 1,243,224 games — Black simply defends the pawn and plays solidly. White scores 49.1% here, so it's a tough fight. Next up is 2...Nc6, played in 921,198 games. Here White scores a whopping 62.4% — and the engine confirms that 2...Nc6 is actually a mistake, losing about 1.6 pawns! Black develops a piece but allows you to trade bishops favourably. Other moves include 2...f6 (White scores 51.7%), 2...e4 (White scores 54.5%), and 2...Qf6 (White scores 54.4%). The engine flags 2...Qf6 as a mistake too, costing Black around one pawn. The key takeaway: if Black plays a natural-looking move like Nc6 or Qf6, you're already doing well.

Mistakes to Punish

Two Black replies stand out as mistakes in this position. The first is 2...Nc6, which loses roughly 1.6 pawns in evaluation. Black develops a knight but blocks their c-pawn and fails to deal with White's bishop on b2. White scores 62.4% when Black plays this move. The second mistake is 2...Qf6, costing Black about one pawn in evaluation. That queen move places the queen awkwardly early and weakens Black's kingside. White scores 54.4% here too. In both cases, the engine says Black should have played 2...Bxb4 instead. If you see either of these moves from your opponent, you can press your advantage with confidence — the statistics are firmly on your side.

Results across 3,988,907 Lichess games

55.4%
3.4%
41.2%
■ White 55.4% ■ Draw 3.4% ■ Black 41.2%
Most-played continuationGamesWhite wins
d61,243,22449.1%
Nc6921,19862.4%
Bxb4742,76159.0%
f6336,95351.7%
e4204,69354.5%
Qf6133,59154.4%

Frequently asked questions

Is 1.b4 a serious opening for White?

Yes, absolutely. The Sokolsky Opening (also called the Polish or Orangutan) is a sound offbeat opening. While the engine gives White a small disadvantage after 1.b4 e5 2.Bb2 (-0.38), practical results show White winning 55.4% of games. It's an excellent surprise weapon, especially in club and online play.

What should White do after the most common move 2...d6?

After 2...d6, Black simply defends the e5 pawn and plays solidly. White scores 49.1% from this position, so the game is roughly balanced. A good plan for White is to develop pieces naturally, keep the bishop active on b2, and look for ways to put pressure on the centre. The position is rich in strategic possibilities.

Why is 2...Nc6 a mistake for Black?

Because the engine says Black should capture the b4 pawn with 2...Bxb4 instead. After 2...Nc6, Black loses about 1.6 pawns in evaluation — White scores a very healthy 62.4% from this position. The knight on c6 blocks the c-pawn and Black has left the b4 pawn untouched, giving White time to get comfortable with an active bishop on b2.

How many games feature the Sokolsky Opening: e5?

Over 4 million Lichess games have reached the Sokolsky Opening: e5 position. White wins 55.4%, Black wins 41.2%, with 3.4% draws — based on real rated games.