Tree path 8 levels King's Pawn Game › Sicilian Defense › Sicilian Defense › French Variation › Open › Sicilian Defense: Kan Variation › Modern Variation › Sicilian Defense: Kan Variation, Swiss Cheese Variation
- Caissa Codex
- King's Pawn Game B00
- Sicilian Defense B20
- Sicilian Defense B27
- French Variation B40
- Open B40
- Sicilian Defense: Kan Variation B41
- Modern Variation B42
- Sicilian Defense: Kan Variation, Swiss Cheese Variation B42 you are here
Sicilian Defense: Kan Variation, Swiss Cheese Variation
Overview
Sicilian Defense: Kan Variation, Swiss Cheese Variation is a named branch in the Semi-Open Games group of chess theory, classified under ECO B42.
The Semi-Open Games group covers semi-open games — replies to 1.e4 where Black declines the symmetrical 1…e5 in favour of an asymmetric pawn structure.
It begins with 10 plies and takes 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 g6 to reach the canonical position.
In the opening tree, this line branches off from Sicilian Defense: Kan Variation, Modern Variation, part of the broader King's Pawn Game system.
Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.
- ECO code
- B42
- Group
- Semi-Open Games (B)
- Plies
- 10
This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
12,826 games · White 46.8% / Draw 6.9% / Black 46.3%
| Moves | Games | W / D / B |
|---|---|---|
| O-O | 7,464 | |
| c4 | 1,158 | |
| Be3 | 1,037 | |
| Nc3 | 1,020 | |
| c3 | 449 | |
| h4 | 394 | |
| Qe2 | 255 | |
| f4 | 243 |
Source: Lichess Opening Explorer · cached 2026-09-26 02:14:28
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