Prepare against Fiona Sieber
WGM · DEU · World #4,837 classical · FIDE ID 12902373
Our database contains 1,105 games by Fiona Sieber, covering Mar 2010 to Aug 2026. Below you'll find Fiona Sieber's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Fiona Sieber 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 | 2,278 | 2,332 | May 2017 |
| Rapid | 2,167 | 2,265 | Nov 2022 |
| Blitz | 2,166 | 2,250 | Jun 2019 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,105 | 492 | 249 | 364 | 44.5% |
| As White | 548 | 244 | 128 | 176 | 44.5% |
| As Black | 557 | 248 | 121 | 188 | 44.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Fiona Sieber's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Fiona Sieber's side.
First moves as White (547 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 534 | 97.6% | 56.4% |
| c4 | 11 | 2.0% | 59.1% |
| Nf3 | 1 | 0.2% | 50.0% |
| d4 | 1 | 0.2% | 0.0% |
Main lines as White
- 1.e4 — 98% of White games, 56.4% score
- …c5 (40% of these games) — Sieber usually continues Nf3 (54.7% score)
- …e5 (23% of these games) — Sieber usually continues Nf3 (58.1% score)
- …e6 (17% of these games) — Sieber usually continues d4 (62.8% score)
- 1.c4 — 2% of White games, 59.1% score
- …e5 (27% of these games) — Sieber usually continues Nc3 (83.3% score)
- …c5 (27% of these games) — Sieber usually continues Nc3 (50.0% score)
- …e6 (18% of these games) — Sieber usually continues g3 (50.0% score)
As Black against 1.e4 (312 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 243 | 77.9% | 60.1% |
| e5 | 69 | 22.1% | 61.6% |
As Black against 1.d4 (160 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 154 | 96.3% | 51.9% |
| d5 | 6 | 3.8% | 41.7% |
Fiona Sieber's chess games
All 1,105 games by Fiona Sieber in the Chess.ceo database (Mar 2010 - 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: 492 wins, 249 draws, 364 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B42 | Sicilian | 67 | 25/20/22 | 37.3% |
| B90 | Sicilian: Najdorf | 53 | 25/11/17 | 47.2% |
| C95 | Ruy Lopez: Closed | 37 | 16/8/13 | 43.2% |
| B12 | Caro-Kann: Advance Variation | 30 | 15/5/10 | 50.0% |
| C18 | French: Winawer Variation | 25 | 12/7/6 | 48.0% |
| C11 | French: Classical Variation | 25 | 15/4/6 | 60.0% |
| B47 | Sicilian: Taimanov | 19 | 10/4/5 | 52.6% |
| C02 | French: Advance Variation | 19 | 7/4/8 | 36.8% |
| B01 | Scandinavian Defense: Main Line | 17 | 10/3/4 | 58.8% |
| C78 | Ruy Lopez: Morphy Defense | 14 | 7/3/4 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B56 | Sicilian | 117 | 60/17/40 | 51.3% |
| A46 | Indian Defense | 31 | 11/9/11 | 35.5% |
| B90 | Sicilian: Najdorf | 31 | 10/11/10 | 32.3% |
| E12 | Queen's Indian Defense | 27 | 8/7/12 | 29.6% |
| C55 | Italian Game | 25 | 13/4/8 | 52.0% |
| B23 | Sicilian: Closed | 23 | 11/4/8 | 47.8% |
| A13 | English Opening | 22 | 3/6/13 | 13.6% |
| A20 | English Opening: Reverse Sicilian | 22 | 12/2/8 | 54.5% |
| D80 | Grünfeld Defense | 22 | 8/5/9 | 36.4% |
| E46 | Nimzo-Indian: Rubinstein System | 19 | 8/4/7 | 42.1% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2020 | Lev Yankelevich | 2,483 | 32nd Staufer Open | C96 |
| Jan 2023 | Davor Rogic | 2,458 | Oberliga Baden 2223 | B45 |
| Jan 2019 | Pa Iniyan | 2,456 | 31st Staufer Open | B80 |
| Oct 2018 | Ashot Parvanyan | 2,428 | Youth District Germany | C09 |
| Oct 2018 | Anastasia Bodnaruk | 2,423 | BL 1819 w | B06 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-GER Blitz w | 2025 | 71 | 51 | 2,169 |
| chT-GER Lands U20 | 2019 | 34 | 19 | 2,084 |
| German Masters w | 2024 | 34 | 20 | 2,342 |
| ch-GER blitz w | 2019 | 23 | 16.5 | 2,178 |
| ch-GER U12 | 2012 | 22 | 13.5 | 1,712 |
| Wch U16 Girls | 2016 | 22 | 14.5 | 2,137 |
| ch-GER U10 | 2010 | 21 | 14 | 1,391 |
| ch-GER U16 Girls | 2016 | 18 | 15.5 | 2,127 |
Frequent opponents
Head-to-head records: Jana Schneider (10 games) · Lara Schulze (10 games) · Hanna Marie Klek (10 games)
Interactive opening tree from all 1,105 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Fiona Sieber's chess games?
1,105 games by Fiona Sieber, from Mar 2010 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 Fiona Sieber has played.
What does Fiona Sieber play on the first move as White?
Across 547 games with White in our database, Fiona Sieber opens with 1.e4 (98% of games), 1.c4 (2% of games), 1.Nf3 (0% of games). Against 1.e4 as Black, Fiona Sieber answers 1...c5 (78% of games), 1...e5 (22% of games). Against 1.d4: 1...Nf6 (96% of games), 1...d5 (4% of games).
What openings does Fiona Sieber play as White?
As White, Fiona Sieber's most-played openings in our database are: Sicilian (67 games, 37.3% win rate); Sicilian: Najdorf (53 games, 47.2% win rate); Ruy Lopez: Closed (37 games, 43.2% win rate). The full breakdown of 548 games with White is in the table above.
What openings does Fiona Sieber play as Black?
As Black, Fiona Sieber most often plays: Sicilian (117 games, 51.3% win rate); Indian Defense (31 games, 35.5% win rate); Sicilian: Najdorf (31 games, 32.3% win rate). See the table above for the top ten Black openings across 557 games.
What is Fiona Sieber's FIDE rating?
Fiona Sieber is currently rated 2,278 in classical chess, 2,167 in rapid and 2,166 in blitz. Peak classical rating: 2,332 (May 2017).
How many games has Fiona Sieber played?
Our database contains 1,105 games by Fiona Sieber, covering Mar 2010 to Aug 2026. Overall record: 492 wins, 249 draws, 364 losses (44.5% win rate).
How do I prepare against Fiona Sieber?
1,105 games by Fiona Sieber 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.