Prepare against Suni Jacobsen
FRO · World #53,909 classical · FIDE ID 7200919
When preparing against Suni Jacobsen, expect 1.d4 in 62% of White games. Against 1.e4 the reply is 1...c5 (53% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 76 games by Suni Jacobsen, covering Jul 2008 to Jul 2026. Below you'll find Suni Jacobsen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Suni Jacobsen 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 | 1,878 | 1,981 | Jul 2008 |
| Rapid | 1,890 | 1,890 | Jul 2026 |
| Blitz | 1,884 | 1,884 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 76 | 23 | 19 | 34 | 30.3% |
| As White | 42 | 14 | 12 | 16 | 33.3% |
| As Black | 34 | 9 | 7 | 18 | 26.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Suni Jacobsen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Suni Jacobsen's side.
First moves as White (42 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 26 | 61.9% | 51.9% |
| Nf3 | 12 | 28.6% | 37.5% |
| c4 | 2 | 4.8% | 50.0% |
| f4 | 1 | 2.4% | 100.0% |
| e4 | 1 | 2.4% | 0.0% |
Main lines as White
- 1.d4 — 62% of White games, 51.9% score
- …Nf6 (62% of these games) — Jacobsen usually continues Nf3 (43.3% score)
- …d5 (31% of these games) — Jacobsen usually continues Nf3 (85.7% score)
- …e6 (8% of these games) — Jacobsen usually continues Nf3 (50.0% score)
- 1.Nf3 — 29% of White games, 37.5% score
- …Nf6 (33% of these games) — Jacobsen usually continues g3 (100.0% score)
- …d5 (25% of these games) — Jacobsen usually continues g3 (0.0% score)
- …c5 (25% of these games) — Jacobsen usually continues g3 (25.0% score)
As Black against 1.e4 (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 10 | 52.6% | 30.0% |
| e5 | 6 | 31.6% | 50.0% |
| e6 | 2 | 10.5% | 75.0% |
| d6 | 1 | 5.3% | 0.0% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 10 | 100.0% | 45.0% |
Suni Jacobsen's chess games
All 76 games by Suni Jacobsen in the Chess.ceo database (Jul 2008 - Jul 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, 19 draws, 34 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A46 | Indian Defense | 7 | 2/3/2 | 28.6% |
| D02 | Queen's Pawn Game | 6 | 5/1/0 | 83.3% |
| D02 | Réti Opening | 5 | 2/0/3 | 40.0% |
| A39 | King's Indian Defense: Fianchetto Variation | 4 | 1/2/1 | 25.0% |
| E18 | Queen's Indian Defense | 4 | 1/1/2 | 25.0% |
| A29 | English Opening | 3 | 0/1/2 | 0.0% |
| A46 | Horwitz Defense | 2 | 1/0/1 | 50.0% |
| A34 | English Opening: Symmetrical | 2 | 0/1/1 | 0.0% |
| D02 | London System | 2 | 0/2/0 | 0.0% |
| D18 | Slav Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D91 | Grünfeld Defense | 8 | 2/3/3 | 25.0% |
| B40 | Sicilian | 7 | 3/0/4 | 42.9% |
| A16 | English Opening | 2 | 0/1/1 | 0.0% |
| A48 | Indian Defense | 2 | 0/0/2 | 0.0% |
| C50 | Italian Game | 2 | 1/0/1 | 50.0% |
| B85 | Sicilian: Scheveningen | 2 | 0/0/2 | 0.0% |
| E90 | King's Indian Defense: Orthodox Variation | 1 | 0/0/1 | 0.0% |
| C60 | Ruy Lopez | 1 | 0/0/1 | 0.0% |
| B23 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| B21 | Sicilian: Grand Prix Attack | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2012 | Joan Hendrik Andreasen | 2,256 | chT-FAI | E63 |
| Mar 2013 | Tummas M. Solsker | 1,937 | ch-FAI B | C05 |
| Mar 2013 | Sigurd B. Justinussen | 1,925 | ch-FAI B | D11 |
| Jan 2017 | Samal Christiansen | 1,910 | chT-FAI 1617 | A46 |
| Jul 2008 | Casper Christensen | 1,795 | 30th Politiken Cup | D02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 31st Politiken Cup | 2009 | 10 | 5 | 1,979 |
| 30th Politiken Cup | 2008 | 10 | 4.5 | 2,036 |
| chT-FAI 0809 | 2009 | 9 | 0 | 1,786 |
| chT-FAI 1213 | 2013 | 8 | 3.5 | 1,761 |
| Atlantic Airways Cup-C | 2003 | 8 | 5 | – |
| Oyrabakki Open | 2000 | 7 | 3 | – |
| chT-FAI | 2012 | 6 | 1 | 1,809 |
| ch-FAI B | 2013 | 6 | 4 | 2,060 |
Interactive opening tree from all 76 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Suni Jacobsen's chess games?
76 games by Suni Jacobsen, from Jul 2008 to Jul 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 Suni Jacobsen has played.
What does Suni Jacobsen play on the first move as White?
Across 42 games with White in our database, Suni Jacobsen opens with 1.d4 (62% of games), 1.Nf3 (29% of games), 1.c4 (5% of games). Against 1.e4 as Black, Suni Jacobsen answers 1...c5 (53% of games), 1...e5 (32% of games), 1...e6 (11% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Suni Jacobsen play as White?
As White, Suni Jacobsen's most-played openings in our database are: Indian Defense (7 games, 28.6% win rate); Queen's Pawn Game (6 games, 83.3% win rate); Réti Opening (5 games, 40.0% win rate). The full breakdown of 42 games with White is in the table above.
What openings does Suni Jacobsen play as Black?
As Black, Suni Jacobsen most often plays: Grünfeld Defense (8 games, 25.0% win rate); Sicilian (7 games, 42.9% win rate); English Opening (2 games, 0.0% win rate). See the table above for the top ten Black openings across 34 games.
What is Suni Jacobsen's FIDE rating?
Suni Jacobsen is currently rated 1,878 in classical chess, 1,890 in rapid and 1,884 in blitz. Peak classical rating: 1,981 (Jul 2008).
How many games has Suni Jacobsen played?
Our database contains 76 games by Suni Jacobsen, covering Jul 2008 to Jul 2026. Overall record: 23 wins, 19 draws, 34 losses (30.3% win rate).
How do I prepare against Suni Jacobsen?
76 games by Suni Jacobsen 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.