Prepare against Nicolai Maxime Ostensen
FM · Norway · World #1,598 classical · FIDE ID 1546970
Our database contains 422 games by Nicolai Maxime Ostensen, covering Sep 2017 to Aug 2026. Below you'll find Nicolai Maxime Ostensen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Nicolai Maxime Ostensen 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 | 2,404 | 2,407 | Jul 2026 |
| Rapid | 2,331 | 2,350 | Mar 2026 |
| Blitz | 2,420 | 2,420 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 422 | 194 | 86 | 142 | 46.0% |
| As White | 205 | 105 | 42 | 58 | 51.2% |
| As Black | 217 | 89 | 44 | 84 | 41.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Nicolai Maxime Ostensen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Nicolai Maxime Ostensen's side.
First moves as White (205 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 113 | 55.1% | 65.5% |
| c4 | 83 | 40.5% | 58.4% |
| Nf3 | 6 | 2.9% | 50.0% |
| d4 | 2 | 1.0% | 25.0% |
| g3 | 1 | 0.5% | 0.0% |
Main lines as White
- 1.e4 — 55% of White games, 65.5% score
- …c5 (35% of these games) — Ostensen usually continues Nf3 (72.4% score)
- …e5 (26% of these games) — Ostensen usually continues Nf3 (68.5% score)
- …c6 (14% of these games) — Ostensen usually continues d4 (50.0% score)
- 1.c4 — 40% of White games, 58.4% score
- …e5 (35% of these games) — Ostensen usually continues Nc3 (50.0% score)
- …Nf6 (19% of these games) — Ostensen usually continues Nc3 (67.9% score)
- …e6 (14% of these games) — Ostensen usually continues Nc3 (55.0% score)
As Black against 1.e4 (94 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 50 | 53.2% | 52.0% |
| e5 | 39 | 41.5% | 42.3% |
| b6 | 2 | 2.1% | 25.0% |
| d6 | 2 | 2.1% | 25.0% |
| e6 | 1 | 1.1% | 100.0% |
As Black against 1.d4 (71 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 64 | 90.1% | 57.0% |
| d5 | 7 | 9.9% | 42.9% |
Nicolai Maxime Ostensen's chess games
All 422 games by Nicolai Maxime Ostensen in the Chess.ceo database (Sep 2017 - 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: 194 wins, 86 draws, 142 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A13 | English Opening | 31 | 14/8/9 | 45.2% |
| A28 | English Opening: Reverse Sicilian | 31 | 13/8/10 | 41.9% |
| B40 | Sicilian | 16 | 9/3/4 | 56.3% |
| B13 | Caro-Kann: Exchange Variation | 13 | 5/2/6 | 38.5% |
| C07 | French: Tarrasch Variation | 12 | 10/1/1 | 83.3% |
| C77 | Ruy Lopez: Morphy Defense | 12 | 8/4/0 | 66.7% |
| A36 | English Opening: Symmetrical | 11 | 8/1/2 | 72.7% |
| B06 | Modern Defense | 8 | 5/1/2 | 62.5% |
| B30 | Sicilian: Rossolimo | 6 | 4/2/0 | 66.7% |
| B20 | Sicilian: Snyder Variation | 6 | 2/1/3 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B31 | Sicilian: Rossolimo | 17 | 4/6/7 | 23.5% |
| E94 | Indian Defense | 16 | 8/3/5 | 50.0% |
| B32 | Sicilian | 16 | 9/3/4 | 56.3% |
| C55 | Italian Game | 10 | 3/3/4 | 30.0% |
| B23 | Sicilian: Closed | 9 | 3/1/5 | 33.3% |
| A15 | English Opening | 8 | 2/1/5 | 25.0% |
| A01 | Nimzovich-Larsen attack | 7 | 2/0/5 | 28.6% |
| A05 | Réti Opening | 7 | 2/3/2 | 28.6% |
| E11 | Catalan | 6 | 3/0/3 | 50.0% |
| B22 | Sicilian: Alapin | 6 | 4/0/2 | 66.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2025 | A Tari | 2,621 | Titled Tue Early | C03 |
| Sep 2023 | Aleksandar Indjic | 2,606 | Titled Tue Early | B20 |
| Aug 2023 | Arturs Neiksans | 2,587 | Titled Tue Early | B06 |
| Dec 2024 | Mikhail Kobalia | 2,543 | Titled Tue Early | B40 |
| Aug 2023 | Alexandra Kosteniuk | 2,532 | Titled Tue Early | E46 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 208 | 116.5 | 2,353 |
| Kragero Open | 2024 | 19 | 10 | 2,152 |
| Norway Chess Open | 2024 | 15 | 9 | 2,263 |
| 41st Andorra Open | 2025 | 9 | 6 | 2,334 |
| Fagernes Autumn Open | 2022 | 9 | 4 | 2,074 |
| Fagernes Open | 2020 | 9 | 4 | 1,628 |
| Fagernes GM Open | 2025 | 9 | 4.5 | 2,263 |
| Fagernes GM Open 2026 | 2026 | 9 | 6 | 2,400 |
Interactive opening tree from all 422 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Nicolai Maxime Ostensen's chess games?
422 games by Nicolai Maxime Ostensen, from Sep 2017 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 Nicolai Maxime Ostensen has played.
What does Nicolai Maxime Ostensen play on the first move as White?
Across 205 games with White in our database, Nicolai Maxime Ostensen opens with 1.e4 (55% of games), 1.c4 (40% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Nicolai Maxime Ostensen answers 1...c5 (53% of games), 1...e5 (41% of games), 1...b6 (2% of games). Against 1.d4: 1...Nf6 (90% of games), 1...d5 (10% of games).
What openings does Nicolai Maxime Ostensen play as White?
As White, Nicolai Maxime Ostensen's most-played openings in our database are: English Opening (31 games, 45.2% win rate); English Opening: Reverse Sicilian (31 games, 41.9% win rate); Sicilian (16 games, 56.3% win rate). The full breakdown of 205 games with White is in the table above.
What openings does Nicolai Maxime Ostensen play as Black?
As Black, Nicolai Maxime Ostensen most often plays: Sicilian: Rossolimo (17 games, 23.5% win rate); Indian Defense (16 games, 50.0% win rate); Sicilian (16 games, 56.3% win rate). See the table above for the top ten Black openings across 217 games.
What is Nicolai Maxime Ostensen's FIDE rating?
Nicolai Maxime Ostensen is currently rated 2,404 in classical chess, 2,331 in rapid and 2,420 in blitz. Peak classical rating: 2,407 (Jul 2026).
How many games has Nicolai Maxime Ostensen played?
Our database contains 422 games by Nicolai Maxime Ostensen, covering Sep 2017 to Aug 2026. Overall record: 194 wins, 86 draws, 142 losses (46.0% win rate).
How do I prepare against Nicolai Maxime Ostensen?
422 games by Nicolai Maxime Ostensen 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.