Prepare against Louis Roos
IM · France · World #4,782 classical · FIDE ID 600288
Our database contains 310 games by Louis Roos, covering Apr 2003 to Aug 2026. Below you'll find Louis Roos's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Louis Roos before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,279 | 2,378 | Feb 2013 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 310 | 126 | 100 | 84 | 40.6% |
| As White | 165 | 70 | 46 | 49 | 42.4% |
| As Black | 145 | 56 | 54 | 35 | 38.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Louis Roos's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Louis Roos's side.
First moves as White (165 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 69 | 41.8% | 57.2% |
| c4 | 46 | 27.9% | 56.5% |
| e4 | 32 | 19.4% | 50.0% |
| d4 | 18 | 10.9% | 63.9% |
Main lines as White
- 1.Nf3 — 42% of White games, 57.2% score
- …Nf6 (49% of these games) — Roos usually continues c4 (50.0% score)
- …d5 (17% of these games) — Roos usually continues g3 (70.0% score)
- …c5 (16% of these games) — Roos usually continues c4 (37.5% score)
- 1.c4 — 28% of White games, 56.5% score
- …Nf6 (28% of these games) — Roos usually continues Nc3 (72.2% score)
- …c6 (17% of these games) — Roos usually continues Nf3 (80.0% score)
- …g6 (15% of these games) — Roos usually continues Nc3 (0.0% score)
As Black against 1.e4 (63 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 35 | 55.6% | 61.4% |
| d6 | 14 | 22.2% | 57.1% |
| c5 | 10 | 15.9% | 50.0% |
| g6 | 3 | 4.8% | 66.7% |
| c6 | 1 | 1.6% | 50.0% |
As Black against 1.d4 (46 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 16 | 34.8% | 46.9% |
| e6 | 12 | 26.1% | 66.7% |
| Nf6 | 10 | 21.7% | 65.0% |
| g6 | 5 | 10.9% | 60.0% |
| d6 | 2 | 4.3% | 50.0% |
| f5 | 1 | 2.2% | 100.0% |
Louis Roos's chess games
All 310 games by Louis Roos in the Chess.ceo database (Apr 2003 - Aug 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 126 wins, 100 draws, 84 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A16 | English Opening | 24 | 13/8/3 | 54.2% |
| A04 | Réti Opening | 19 | 12/4/3 | 63.2% |
| A46 | Indian Defense | 11 | 5/3/3 | 45.5% |
| A36 | English Opening: Symmetrical | 10 | 4/0/6 | 40.0% |
| A36 | Modern Defense | 9 | 3/1/5 | 33.3% |
| A25 | English Opening: Reverse Sicilian | 9 | 3/2/4 | 33.3% |
| A12 | English Opening: Slav Setup | 7 | 3/0/4 | 42.9% |
| D02 | London System | 6 | 1/4/1 | 16.7% |
| A04 | Sicilian | 6 | 2/1/3 | 33.3% |
| E11 | Bogo-Indian Defense | 4 | 1/2/1 | 25.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B07 | Pirc Defense | 14 | 4/9/1 | 28.6% |
| A84 | Horwitz Defense | 11 | 6/4/1 | 54.5% |
| A25 | English Opening | 9 | 2/3/4 | 22.2% |
| C16 | French: Winawer Variation | 8 | 1/4/3 | 12.5% |
| C06 | French: Tarrasch Variation | 7 | 2/3/2 | 28.6% |
| B08 | Modern Defense | 7 | 3/2/2 | 42.9% |
| A07 | Réti Opening | 7 | 3/3/1 | 42.9% |
| A37 | English Opening: Symmetrical | 6 | 3/2/1 | 50.0% |
| C00 | King's Indian Attack | 5 | 3/2/0 | 60.0% |
| C01 | French: Exchange Variation | 5 | 3/1/1 | 60.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2013 | Ivan Salgado Lopez | 2,598 | FRA-chT Top 12 | A46 |
| Oct 2007 | Valerij Popov | 2,580 | 23rd EU-Cup | A36 |
| Jun 2008 | Namig Guliyev | 2,542 | ch-Paris Open | C10 |
| Aug 2003 | Cyril Marcelin | 2,503 | ch-FRA Accession | A10 |
| Apr 2007 | Fabien Libiszewski | 2,486 | chT-FRA Top 16 GpB | C10 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| FRA-chT Top 12 | 2017 | 46 | 20 | 2,281 |
| ch-FRA Accession | 2008 | 33 | 21 | 2,386 |
| chT-FRA Top 16 GpB | 2010 | 28 | 14 | 2,417 |
| chT-EU Seniors 65 | 2024 | 25 | 15 | 2,227 |
| WchT Seniors 65 | 2024 | 20 | 13.5 | 2,341 |
| World Senior Teams +65 | 2026 | 14 | 8.5 | 2,267 |
| chT-FRA Top 16 Gp Basse | 2023 | 13 | 8.5 | 2,425 |
| 33rd World Senior 65+ | 2025 | 11 | 7.5 | 2,229 |
Interactive opening tree from all 310 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Louis Roos's chess games?
310 games by Louis Roos, from Apr 2003 to Aug 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Louis Roos has played.
What does Louis Roos play on the first move as White?
Across 165 games with White in our database, Louis Roos opens with 1.Nf3 (42% of games), 1.c4 (28% of games), 1.e4 (19% of games). Against 1.e4 as Black, Louis Roos answers 1...e6 (56% of games), 1...d6 (22% of games), 1...c5 (16% of games). Against 1.d4: 1...d5 (35% of games), 1...e6 (26% of games), 1...Nf6 (22% of games).
What openings does Louis Roos play as White?
As White, Louis Roos's most-played openings in our database are: English Opening (24 games, 54.2% win rate); Réti Opening (19 games, 63.2% win rate); Indian Defense (11 games, 45.5% win rate). The full breakdown of 165 games with White is in the table above.
What openings does Louis Roos play as Black?
As Black, Louis Roos most often plays: Pirc Defense (14 games, 28.6% win rate); Horwitz Defense (11 games, 54.5% win rate); English Opening (9 games, 22.2% win rate). See the table above for the top ten Black openings across 145 games.
What is Louis Roos's FIDE rating?
Louis Roos is currently rated 2,279 in classical chess. Peak classical rating: 2,378 (Feb 2013).
How many games has Louis Roos played?
Our database contains 310 games by Louis Roos, covering Apr 2003 to Aug 2026. Overall record: 126 wins, 100 draws, 84 losses (40.6% win rate).
How do I prepare against Louis Roos?
310 games by Louis Roos reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.