Sicilian Defense: Kan Variation
ECO B41-B43intermediate
The Kan, 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6, is the most flexible Sicilian of all: Black commits nothing except the useful ...a6, deciding later whether the king's knight goes to f6 or e7, and where the bishops belong. White chooses between the space-grabbing Maroczy setup with 5.c4 and natural development with 5.Nc3 or 5.Bd3. The Kan produces fewer forced lines than any major Sicilian, making it ideal for players who want Sicilian dynamism on a low theory budget.
Main line
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Bd3 Nf6 7.O-O Bc5
Diagram shows the position after 6 half-moves of the main line. On SpeakChess you can drill this line move by move — the trainer plays the other side and corrects you instantly, then spaced repetition schedules each variation so you review it right before you would forget it.
Win rates by rating
Results from real online games, measured after the line shown in each row. Most opening sites show one aggregate number — how an opening scores depends heavily on who is playing it.
| Rating | Games | White wins | Draws | Black wins | Position after |
|---|---|---|---|---|---|
| 400-600 | 34 | 52.9% | 11.8% | 35.3% | 1.e4 c5 2.Nf3 e6 |
| 600-800 | 97 | 45.4% | 1% | 53.6% | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 |
| 800-1000 | 26 | 38.5% | 0% | 61.5% | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 |
| 1000-1200 | 29 | 37.9% | 6.9% | 55.2% | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Bd3 Nf6 |
| 1200-1400 | 66 | 42.4% | 3% | 54.5% | 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3 Qc7 6.Bd3 Nf6 |
Most played continuations (600-800 rating)
After 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4:
- Nc6 — played 17.5% of the time (White wins 52.9%, draws 0%, Black wins 47.1%)
- Bc5 — played 16.5% of the time (White wins 31.2%, draws 0%, Black wins 68.8%)
- Nf6 — played 15.5% of the time (White wins 53.3%, draws 0%, Black wins 46.7%)
Related openings
Frequently asked questions
Is the Kan Variation sound?
Completely. It has been a lifetime weapon for elite grandmasters precisely because White has no forcing path to an advantage — every White setup leads to a playable, unbalanced middlegame where the better-prepared side on plans, not moves, usually wins.
What's the difference between the Kan and the Taimanov?
Move order and the c6-square: in the Kan Black plays ...a6 before developing the queenside knight, often putting it on d7 or c6 later. This avoids the Nxc6 structural concessions common in the Taimanov but gives White a free hand to set up the Maroczy Bind with c4.
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