Tree path 3 levels Van Geet Opening › Pfeiffer Gambit › Sleipnir Countergambit
- Chess Codex
- Van Geet Opening A00
- Pfeiffer Gambit A00
- Sleipnir Countergambit A00 you are here
Van Geet Opening: Pfeiffer Gambit, Sleipnir Countergambit
Overview
Van Geet Opening: Pfeiffer Gambit, Sleipnir Countergambit is a gambit, classified under ECO code A00 within the Flank Openings family. As with all gambits, one side sacrifices material early — usually a pawn — in exchange for development, open lines, or initiative.
The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.
It begins with 7 plies and takes 1. Nc3 d5 2. f4 d4 3. Ne4 e5 4. Nf3 to reach the canonical position.
It is a variation of Van Geet Opening: Pfeiffer Gambit, which itself descends from the root opening Van Geet Opening.
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
- A00
- Group
- Flank Openings (A)
- Plies
- 7
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
39 games · White 43.6% / Draw 0.0% / Black 56.4%
| Moves | Games | W / D / B |
|---|---|---|
| exf4 | 15 | |
| Nc6 | 9 | |
| f5 | 8 | |
| Bf5 | 3 | |
| f6 | 2 | |
| Nf6 | 1 | |
| Qd5 | 1 |
Source: Lichess Opening Explorer · cached 2026-09-26 00:30:58
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