Prepare against Jacob Carstensen
IM · DNK · World #4,063 classical · FIDE ID 1404180
Our database contains 990 games by Jacob Carstensen, covering Apr 2003 to Jul 2026. Below you'll find Jacob Carstensen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jacob Carstensen 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 | 2,301 | 2,401 | Apr 2013 |
| Rapid | 2,324 | 2,360 | Dec 2021 |
| Blitz | 2,345 | 2,352 | Oct 2015 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 990 | 383 | 317 | 290 | 38.7% |
| As White | 485 | 206 | 163 | 116 | 42.5% |
| As Black | 505 | 177 | 154 | 174 | 35.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jacob Carstensen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jacob Carstensen's side.
First moves as White (485 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 436 | 89.9% | 60.2% |
| e4 | 20 | 4.1% | 52.5% |
| c4 | 15 | 3.1% | 53.3% |
| Nf3 | 13 | 2.7% | 42.3% |
| b3 | 1 | 0.2% | 100.0% |
Main lines as White
- 1.d4 — 90% of White games, 60.2% score
- …Nf6 (54% of these games) — Carstensen usually continues c4 (60.6% score)
- …d5 (30% of these games) — Carstensen usually continues c4 (61.4% score)
- …e6 (4% of these games) — Carstensen usually continues c4 (50.0% score)
- 1.e4 — 4% of White games, 52.5% score
- …c5 (35% of these games) — Carstensen usually continues Nf3 (42.9% score)
- …e5 (30% of these games) — Carstensen usually continues Nf3 (83.3% score)
- …c6 (20% of these games) — Carstensen usually continues d4 (66.7% score)
As Black against 1.e4 (215 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 193 | 89.8% | 50.3% |
| e6 | 13 | 6.0% | 57.7% |
| e5 | 8 | 3.7% | 43.8% |
| Nc6 | 1 | 0.5% | 100.0% |
As Black against 1.d4 (178 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 125 | 70.2% | 52.8% |
| d5 | 49 | 27.5% | 42.9% |
| f5 | 2 | 1.1% | 50.0% |
| c5 | 1 | 0.6% | 50.0% |
| e6 | 1 | 0.6% | 50.0% |
Jacob Carstensen's chess games
All 990 games by Jacob Carstensen in the Chess.ceo database (Apr 2003 - 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: 383 wins, 317 draws, 290 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D12 | Slav Defense | 71 | 26/28/17 | 36.6% |
| D36 | Indian Defense | 43 | 25/7/11 | 58.1% |
| A57 | Benoni Defense | 39 | 22/8/9 | 56.4% |
| E94 | King's Indian Defense: Orthodox Variation | 37 | 15/13/9 | 40.5% |
| E04 | Catalan | 31 | 15/14/2 | 48.4% |
| D93 | Grünfeld Defense | 23 | 13/5/5 | 56.5% |
| E01 | Semi-Slav Defense | 18 | 9/6/3 | 50.0% |
| E15 | Queen's Indian Defense | 18 | 6/6/6 | 33.3% |
| A21 | Queen's Pawn Game | 14 | 5/6/3 | 35.7% |
| A42 | Modern Defense | 14 | 5/5/4 | 35.7% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 106 | 39/27/40 | 36.8% |
| A28 | English Opening: Reverse Sicilian | 29 | 11/7/11 | 37.9% |
| B53 | Sicilian | 28 | 10/5/13 | 35.7% |
| E04 | Catalan | 26 | 7/9/10 | 26.9% |
| B23 | Sicilian: Closed | 25 | 12/9/4 | 48.0% |
| A46 | Indian Defense | 24 | 8/12/4 | 33.3% |
| E42 | Nimzo-Indian: Rubinstein System | 22 | 5/8/9 | 22.7% |
| D20 | Queen's Gambit Accepted | 21 | 8/4/9 | 38.1% |
| A07 | Réti Opening | 19 | 5/6/8 | 26.3% |
| B51 | Sicilian: Moscow Variation | 16 | 3/6/7 | 18.8% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2015 | Yasser Seirawan | 2,620 | 9th Wch Blitz | A41 |
| Oct 2015 | Helgi Olafsson | 2,549 | Wch Rapid | E04 |
| Oct 2015 | Rene Stern | 2,538 | 9th Wch Blitz | E20 |
| Oct 2015 | Michael Richter | 2,517 | Wch Rapid | D31 |
| Aug 2015 | Jaime Alexander Cuartas | 2,503 | 17th Barcelona Sants Open | C42 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Copenhagen Challenge | 2015 | 39 | 23.5 | 2,298 |
| ch-DEN | 2017 | 36 | 12.5 | 2,328 |
| chB-DEN | 2013 | 21 | 12.5 | 2,260 |
| 9th Wch Blitz | 2015 | 21 | 8 | 2,337 |
| Reykjavik Open | 2011 | 18 | 10.5 | 2,367 |
| Vaxjo Visma IM-A | 2015 | 18 | 9 | 2,310 |
| ch-Copenhagen | 2003 | 16 | 11.5 | 2,347 |
| Wch Rapid | 2015 | 15 | 5 | 2,386 |
Frequent opponents
Head-to-head records: Thorbjorn Bromann (14 games)
Interactive opening tree from all 990 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jacob Carstensen's chess games?
990 games by Jacob Carstensen, from Apr 2003 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 Jacob Carstensen has played.
What does Jacob Carstensen play on the first move as White?
Across 485 games with White in our database, Jacob Carstensen opens with 1.d4 (90% of games), 1.e4 (4% of games), 1.c4 (3% of games). Against 1.e4 as Black, Jacob Carstensen answers 1...c5 (90% of games), 1...e6 (6% of games), 1...e5 (4% of games). Against 1.d4: 1...Nf6 (70% of games), 1...d5 (28% of games), 1...f5 (1% of games).
What openings does Jacob Carstensen play as White?
As White, Jacob Carstensen's most-played openings in our database are: Slav Defense (71 games, 36.6% win rate); Indian Defense (43 games, 58.1% win rate); Benoni Defense (39 games, 56.4% win rate). The full breakdown of 485 games with White is in the table above.
What openings does Jacob Carstensen play as Black?
As Black, Jacob Carstensen most often plays: Sicilian: Najdorf (106 games, 36.8% win rate); English Opening: Reverse Sicilian (29 games, 37.9% win rate); Sicilian (28 games, 35.7% win rate). See the table above for the top ten Black openings across 505 games.
What is Jacob Carstensen's FIDE rating?
Jacob Carstensen is currently rated 2,301 in classical chess, 2,324 in rapid and 2,345 in blitz. Peak classical rating: 2,401 (Apr 2013).
How many games has Jacob Carstensen played?
Our database contains 990 games by Jacob Carstensen, covering Apr 2003 to Jul 2026. Overall record: 383 wins, 317 draws, 290 losses (38.7% win rate).
How do I prepare against Jacob Carstensen?
990 games by Jacob Carstensen 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.