Tree path 5 levels King's Pawn Game › Nimzowitsch Defense › Nimzowitsch Defense › Kennedy Variation › Riemann Defense
- Chess Codex
- King's Pawn Game B00
- Nimzowitsch Defense B00
- Nimzowitsch Defense B00
- Kennedy Variation B00
- Riemann Defense B00 you are here
Nimzowitsch Defense: Kennedy Variation, Riemann Defense
Overview
Nimzowitsch Defense: Kennedy Variation, Riemann Defense is a named branch in the Semi-Open Games group of chess theory, classified under ECO B00.
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 8 plies — specifically the moves 1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Nc6.
In the opening tree, this line branches off from Nimzowitsch Defense: Kennedy 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
- B00
- Group
- Semi-Open Games (B)
- Plies
- 8
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
204,330 games · White 55.9% / Draw 3.9% / Black 40.2%
| Moves | Games | W / D / B |
|---|---|---|
| Nf3 | 122,342 | |
| Be3 | 32,127 | |
| Bc4 | 31,000 | |
| Nc3 | 11,460 | |
| Bb5 | 2,225 | |
| Bd3 | 1,378 | |
| e5 | 1,115 | |
| c4 | 474 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:45:47
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