Prepare against Ivar Kosberg
Norway · World #61,804 classical · FIDE ID 1511920
When preparing against Ivar Kosberg, expect 1.e4 in 93% of White games. Against 1.e4 the reply is 1...d6 (83% of games); against 1.d4, 1...d6 (100%).
Our database contains 53 games by Ivar Kosberg, covering Aug 2015 to Aug 2026. Below you'll find Ivar Kosberg's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ivar Kosberg 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 | 1,849 | 1,849 | Aug 2026 |
| Rapid | 1,829 | 1,829 | Aug 2026 |
| Blitz | 1,770 | 1,770 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 53 | 23 | 10 | 20 | 43.4% |
| As White | 28 | 12 | 5 | 11 | 42.9% |
| As Black | 25 | 11 | 5 | 9 | 44.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ivar Kosberg's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ivar Kosberg's side.
First moves as White (28 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 26 | 92.9% | 48.1% |
| c4 | 2 | 7.1% | 100.0% |
Main lines as White
- 1.e4 — 93% of White games, 48.1% score
- …e5 (58% of these games) — Kosberg usually continues Bc4 (46.7% score)
- …c5 (27% of these games) — Kosberg usually continues c3 (25.0% score)
- …e6 (4% of these games) — Kosberg usually continues d3 (100.0% score)
- 1.c4 — 7% of White games, 100.0% score
- …Nf6 (50% of these games) — Kosberg usually continues Nc3 (100.0% score)
- …e6 (50% of these games) — Kosberg usually continues Nc3 (100.0% score)
As Black against 1.e4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d6 | 10 | 83.3% | 65.0% |
| e5 | 1 | 8.3% | 0.0% |
| g6 | 1 | 8.3% | 100.0% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d6 | 7 | 100.0% | 28.6% |
Ivar Kosberg's chess games
All 53 games by Ivar Kosberg in the Chess.ceo database (Aug 2015 - 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: 23 wins, 10 draws, 20 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C24 | Bishop's Opening | 8 | 3/2/3 | 37.5% |
| C27 | Vienna Game | 7 | 3/2/2 | 42.9% |
| B22 | Sicilian: Alapin | 4 | 1/0/3 | 25.0% |
| A16 | English Opening | 2 | 2/0/0 | 100.0% |
| B20 | Sicilian | 2 | 0/1/1 | 0.0% |
| B01 | Scandinavian Defense: Modern Variation | 1 | 1/0/0 | 100.0% |
| C56 | Italian Game | 1 | 0/0/1 | 0.0% |
| C00 | King's Indian Attack | 1 | 1/0/0 | 100.0% |
| C02 | Sicilian: Smith-Morra Gambit | 1 | 1/0/0 | 100.0% |
| B07 | Pirc Defense: Lion System | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B07 | Pirc Defense | 8 | 4/1/3 | 50.0% |
| B07 | Pirc Defense: Lion System | 6 | 2/2/2 | 33.3% |
| A42 | Queen's Pawn Game | 4 | 3/0/1 | 75.0% |
| B06 | Modern Defense | 2 | 1/0/1 | 50.0% |
| C41 | Bishop's Opening | 1 | 0/0/1 | 0.0% |
| A04 | Réti Opening | 1 | 0/1/0 | 0.0% |
| A10 | English Opening | 1 | 0/1/0 | 0.0% |
| C41 | Philidor | 1 | 0/0/1 | 0.0% |
| A41 | Rat Defense | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2008 | Thomas Bryn | 1,925 | ch-Molde CC | B07 |
| Jul 2026 | Cedrik Sannerud | 1,907 | Landsturneringen 2026 | Klasse 1 | B07 |
| Feb 2010 | Gudmund Farstad | 1,713 | Molde Spring | B22 |
| Mar 2020 | Harald Isachsen | 1,693 | ch-Molde CC | C24 |
| Aug 2020 | Kent-Ove I Bredeli | 1,524 | Molde Autumn Open | C00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Molde CC | 2020 | 23 | 12 | 1,556 |
| Molde Spring | 2010 | 14 | 7 | 1,456 |
| Landsturneringen 2026 | Klasse 1 | 2026 | 9 | 4.5 | 1,889 |
| Molde Autumn Open | 2020 | 5 | 3.5 | 1,856 |
| ch-NOR Class 2 | 2018 | 1 | 0 | 1,354 |
| Molde | 2004 | 1 | 1 | 1,717 |
Interactive opening tree from all 53 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ivar Kosberg's chess games?
53 games by Ivar Kosberg, from Aug 2015 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 Ivar Kosberg has played.
What does Ivar Kosberg play on the first move as White?
Across 28 games with White in our database, Ivar Kosberg opens with 1.e4 (93% of games), 1.c4 (7% of games). Against 1.e4 as Black, Ivar Kosberg answers 1...d6 (83% of games), 1...e5 (8% of games), 1...g6 (8% of games). Against 1.d4: 1...d6 (100% of games).
What openings does Ivar Kosberg play as White?
As White, Ivar Kosberg's most-played openings in our database are: Bishop's Opening (8 games, 37.5% win rate); Vienna Game (7 games, 42.9% win rate); Sicilian: Alapin (4 games, 25.0% win rate). The full breakdown of 28 games with White is in the table above.
What openings does Ivar Kosberg play as Black?
As Black, Ivar Kosberg most often plays: Pirc Defense (8 games, 50.0% win rate); Pirc Defense: Lion System (6 games, 33.3% win rate); Queen's Pawn Game (4 games, 75.0% win rate). See the table above for the top ten Black openings across 25 games.
What is Ivar Kosberg's FIDE rating?
Ivar Kosberg is currently rated 1,849 in classical chess, 1,829 in rapid and 1,770 in blitz. Peak classical rating: 1,849 (Aug 2026).
How many games has Ivar Kosberg played?
Our database contains 53 games by Ivar Kosberg, covering Aug 2015 to Aug 2026. Overall record: 23 wins, 10 draws, 20 losses (43.4% win rate).
How do I prepare against Ivar Kosberg?
53 games by Ivar Kosberg 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.