Prepare against Jakob Alexander Petersen
Iceland · World #105,545 classical · FIDE ID 2309130
When preparing against Jakob Alexander Petersen, expect 1.d4 in 42% of White games. Against 1.e4 the reply is 1...c5 (86% of games); against 1.d4, 1...d5 (56%).
Our database contains 41 games by Jakob Alexander Petersen, covering Oct 2012 to Aug 2026. Below you'll find Jakob Alexander Petersen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jakob Alexander Petersen 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 | 1,713 | 1,716 | Mar 2026 |
| Rapid | 1,676 | 1,676 | Aug 2026 |
| Blitz | 1,758 | 1,778 | Apr 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 41 | 14 | 2 | 25 | 34.1% |
| As White | 19 | 7 | 0 | 12 | 36.8% |
| As Black | 22 | 7 | 2 | 13 | 31.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jakob Alexander Petersen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jakob Alexander Petersen's side.
First moves as White (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 8 | 42.1% | 75.0% |
| c4 | 7 | 36.8% | 14.3% |
| e4 | 4 | 21.1% | 0.0% |
Main lines as White
- 1.d4 — 42% of White games, 75.0% score
- …d5 (50% of these games) — Petersen usually continues c4 (66.7% score)
- …Nf6 (25% of these games) — Petersen usually continues c4 (50.0% score)
- …e6 (13% of these games) — Petersen usually continues c4 (100.0% score)
- 1.c4 — 37% of White games, 14.3% score
- …Nf6 (43% of these games) — Petersen usually continues g3 (0.0% score)
- …e5 (29% of these games) — Petersen usually continues Nc3 (100.0% score)
- …c6 (14% of these games) — Petersen usually continues d4 (0.0% score)
As Black against 1.e4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 6 | 85.7% | 16.7% |
| e5 | 1 | 14.3% | 100.0% |
As Black against 1.d4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 5 | 55.6% | 60.0% |
| Nf6 | 3 | 33.3% | 16.7% |
| g6 | 1 | 11.1% | 0.0% |
Jakob Alexander Petersen's chess games
All 41 games by Jakob Alexander Petersen in the Chess.ceo database (Oct 2012 - 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: 14 wins, 2 draws, 25 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A16 | English Opening | 3 | 0/0/3 | 0.0% |
| D36 | Queen's Gambit Declined | 2 | 2/0/0 | 100.0% |
| B30 | Sicilian | 2 | 0/0/2 | 0.0% |
| A29 | English Opening: Reverse Sicilian | 2 | 1/0/1 | 50.0% |
| E87 | King's Indian: Sämisch | 1 | 0/0/1 | 0.0% |
| D00 | London System | 1 | 1/0/0 | 100.0% |
| E26 | Nimzo-Indian: Sämisch Variation | 1 | 1/0/0 | 100.0% |
| D20 | Queen's Gambit Accepted | 1 | 1/0/0 | 100.0% |
| B86 | Sicilian: Najdorf | 1 | 0/0/1 | 0.0% |
| A40 | English Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 3 | 1/0/2 | 33.3% |
| D02 | Indian Defense | 2 | 0/0/2 | 0.0% |
| D06 | Colle System | 1 | 1/0/0 | 100.0% |
| A33 | English Opening | 1 | 1/0/0 | 100.0% |
| A23 | English Opening: Reverse Sicilian | 1 | 0/1/0 | 0.0% |
| A33 | English Opening: Symmetrical | 1 | 0/0/1 | 0.0% |
| C54 | Italian Game: Classical Variation | 1 | 1/0/0 | 100.0% |
| E91 | King's Indian Defense: Averbakh System | 1 | 0/0/1 | 0.0% |
| E91 | King's Indian Defense: Orthodox Variation | 1 | 0/0/1 | 0.0% |
| D00 | London System | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2014 | Fred Englert | 1,845 | Reykjavik Open | A33 |
| Feb 2026 | Kristjan Geirsson | 1,822 | Skákþing Reykjavíkur 2026 | E26 |
| Feb 2013 | Thorsteinn Leifsson | 1,759 | Reykjavik Open | D36 |
| Feb 2013 | Frits Bakkes | 1,750 | Reykjavik Open | D00 |
| Nov 2018 | Gudmundur Aronsson | 1,573 | Reykjavik Taflfelag Open | C54 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Reykjavik Open | 2014 | 19 | 6 | 1,567 |
| Reykjavik TR U2000 Open | 2017 | 6 | 3 | 1,535 |
| ch-Reykjavik | 2012 | 6 | 1.5 | 1,339 |
| Reykjavik Taflfelag Open | 2018 | 6 | 3 | 1,582 |
| Skákþing Reykjavíkur 2026 | 2026 | 3 | 1.5 | 1,975 |
| Kopavogur Baldursson Memorial | 2018 | 1 | 0 | 1,635 |
Interactive opening tree from all 41 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jakob Alexander Petersen's chess games?
41 games by Jakob Alexander Petersen, from Oct 2012 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 Jakob Alexander Petersen has played.
What does Jakob Alexander Petersen play on the first move as White?
Across 19 games with White in our database, Jakob Alexander Petersen opens with 1.d4 (42% of games), 1.c4 (37% of games), 1.e4 (21% of games). Against 1.e4 as Black, Jakob Alexander Petersen answers 1...c5 (86% of games), 1...e5 (14% of games). Against 1.d4: 1...d5 (56% of games), 1...Nf6 (33% of games), 1...g6 (11% of games).
What openings does Jakob Alexander Petersen play as White?
As White, Jakob Alexander Petersen's most-played openings in our database are: English Opening (3 games, 0.0% win rate); Queen's Gambit Declined (2 games, 100.0% win rate); Sicilian (2 games, 0.0% win rate). The full breakdown of 19 games with White is in the table above.
What openings does Jakob Alexander Petersen play as Black?
As Black, Jakob Alexander Petersen most often plays: Sicilian (3 games, 33.3% win rate); Indian Defense (2 games, 0.0% win rate); Colle System (1 games, 100.0% win rate). See the table above for the top ten Black openings across 22 games.
What is Jakob Alexander Petersen's FIDE rating?
Jakob Alexander Petersen is currently rated 1,713 in classical chess, 1,676 in rapid and 1,758 in blitz. Peak classical rating: 1,716 (Mar 2026).
How many games has Jakob Alexander Petersen played?
Our database contains 41 games by Jakob Alexander Petersen, covering Oct 2012 to Aug 2026. Overall record: 14 wins, 2 draws, 25 losses (34.1% win rate).
How do I prepare against Jakob Alexander Petersen?
41 games by Jakob Alexander Petersen 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.