Tree path 4 levels King's Pawn Game › Sicilian Defense › Alapin Variation › Sicilian Defense: Heidenfeld Variation
- Chess Codex
- King's Pawn Game B00
- Sicilian Defense B20
- Alapin Variation B22
- Sicilian Defense: Heidenfeld Variation B22 you are here
Sicilian Defense: Heidenfeld Variation
Overview
Sicilian Defense: Heidenfeld Variation is a variation within the Semi-Open Games family, indexed as ECO B22.
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.
The line arises from 9 plies — specifically the moves 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Na3.
It is a variation of Sicilian Defense: Alapin Variation, which itself descends from the root opening King's Pawn Game.
Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.
- ECO code
- B22
- Group
- Semi-Open Games (B)
- Plies
- 9
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
2,500 games · White 48.2% / Draw 6.5% / Black 45.3%
| Moves | Games | W / D / B |
|---|---|---|
| d6 | 1,276 | |
| g6 | 418 | |
| e6 | 417 | |
| a6 | 323 | |
| Qc7 | 38 | |
| Nb6 | 11 | |
| Nc7 | 4 | |
| g5 | 4 |
Source: Lichess Opening Explorer · cached 2026-09-26 02:00:03
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