You've entered the Sicilian Kan: Bd3, a flexible and sound way to meet 1.e4 as Black. After 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3 Nf6, White is on move in a position that has been tested over 22,000 times. The statistics might surprise you: despite a +0.60 engine evaluation favouring White (meaning you are slightly worse according to the engine), Black actually scores 50.4% in practice — outperforming White's 46.0%. That gap between the computer's opinion and real human results is exactly what this page will help you exploit. Jump into the drill below to start practising Black's best responses.
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Play the Sicilian Kan: Bd3 against the engine
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Play through the Sicilian Kan: Bd3 interactive drill now — practise Black's best responses against White's top moves. Create a free account to track your score.
Find your own #1 mistake — free →The Real Score: What the Numbers Say
Stockfish gives White a +0.60 advantage at depth 16 — a small edge for your opponent. Statistically, you are slightly worse according to the engine. But over-the-board results tell a different story. Across 22,645 games, Black wins 50.4% of the time, White wins 46.0%, and only 3.5% end in draws. This is one of those Kan positions where human play favours the second player. White's practical winning chances are actually lower than Black's, even with the computer's nod. The reason? The Kan structure is rich in manoeuvring and counterplay, and many White players struggle to convert their theoretical plus into something concrete. You are not fighting for equality — you are fighting for the full point.
White's Most Popular Replies and Your Plans
From this position, White has six common continuations. Here is what each one means for you as Black: - O-O (10,961 games, White scores 47.7%): The engine's first choice and by far the most popular. White castles, and the typical follow-up is O-O Qc7 Qe2 d6. You develop naturally with ...Qc7, ...d6, and look for ...b5 and ...Bb7 or ...Nc6 ideas later. - Nc3 (2,802 games, White scores 46.0%): White develops the knight. You continue with ...Qc7, ...d6, and stay flexible. The Kan is all about keeping your options open. - Bg5 (2,684 games, White scores 43.7%): A pin, but White scores poorly here. You can reply ...Be7 or ...h6, and you already stand well. - c4 (1,206 games, White scores 47.8%): White fights for space. You continue with ...b6 and ...Bb7, putting pressure on the centre. - Be3 (830 games, White scores 42.3%): Another poor-scoring move for White. You develop normally and enjoy comfortable play. Each of White's options has a clear Black answer, and none of them breaks your position's resilience.
The Critical Mistake: e5
One of the known mistakes in this position is White pushing e5 immediately (1,762 games, White scores just 42.8%). Statistically, this loses about 1.9 pawns in evaluation — a serious error. The engine says the better move was O-O. As Black, if White plays e5, you should be alert. The push opens lines and can backfire on White if you respond correctly. After 5...Nf6, the e5 advance is premature because your knight can retreat or you can strike back in the centre. This is a concrete way you can punish impatience from White. Practise seeing this in the drill: when White plays e5, you know you have already gained an edge. Knowing this mistake exists is a practical weapon — many club-level White players will try e5 assuming it's aggressive, but the statistics show it helps you, not them.
Where the Kan: Bd3 Leads You
The Sicilian Kan: Bd3 steers the game toward flexible, positional middlegames where piece play matters more than tactical fireworks. Your typical setup involves ...Qc7, ...d6, ...b5 or ...b6, and ...Bb7 (or ...Nc6 and ...Bd6). The pawn on a6 prevents White's pieces from using b5, which is the whole idea of the Kan. You are not looking for a quick knockout; you are outplaying White in the manoeuvring phase. The statistics back this up: Black scores above 50% at almost every White reply except O-O (and even there, Black wins 47.7% of the time, which is competitive). If you enjoy slow-burn chess where you outposition your opponent rather than out-calculate them, this is an ideal weapon for your repertoire as Black.
Results across 22,645 Lichess games
| Most-played continuation | Games | White wins | |
|---|---|---|---|
| 1 | O-OMain line | 10,961 | 47.7% |
| 2 | Nc3 | 2,802 | 46.0% |
| 3 | Bg5 | 2,684 | 43.7% |
| 4 | e5 | 1,762 | 42.8% |
| 5 | c4 | 1,206 | 47.8% |
| 6 | Be3 | 830 | 42.3% |
Frequently asked questions
Is the Sicilian Kan: Bd3 good for Black?
Based on 22,645 games, Black actually scores 50.4% — better than White's 46.0%. The engine gives White a small edge (+0.60), but in practice the Kan is very playable and scores well for Black at club level.
What is White's best move after 5...Nf6 in the Kan?
The engine recommends 6.O-O, and it is also the most popular move in the database (10,961 games). After O-O, the typical follow-up is Qc7, Qe2, and d6, leading to a balanced positional middlegame where Black has good counterplay.
Why does White sometimes play e5 in the Sicilian Kan: Bd3?
Some White players push e5 thinking it is aggressive, but it is a known mistake that loses about 1.9 pawns. The engine says O-O was better. White scores only 42.8% after e5, so you should welcome this advance.
What is the main idea of the Sicilian Kan for Black?
Black's central idea is to play ...a6 to control the b5 square, then develop with ...Qc7, ...d6, and either ...b5/...Bb7 or ...Nc6/...Bd6. The Kan emphasises flexible piece play and outmanoeuvring White rather than sharp tactical battles.
How many games feature the Sicilian Kan: Bd3?
Over 22K Lichess games have reached the Sicilian Kan: Bd3 position. White wins 46.0%, Black wins 50.4%, with 3.5% draws — based on real rated games.