Prepare against Jan Petersen
DNK · World #86,859 classical · FIDE ID 1426320
When preparing against Jan Petersen, expect 1.d4 in 97% of White games. Against 1.e4 the reply is 1...e6 (45% of games); against 1.d4, 1...d5 (44%).
Our database contains 72 games by Jan Petersen, covering Sep 2011 to Jul 2026. Below you'll find Jan Petersen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan 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 | 1,768 | 1,824 | Mar 2024 |
| Rapid | 1,769 | 1,769 | Jul 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 72 | 21 | 17 | 34 | 29.2% |
| As White | 36 | 10 | 10 | 16 | 27.8% |
| As Black | 36 | 11 | 7 | 18 | 30.6% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Petersen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Petersen's side.
First moves as White (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 35 | 97.2% | 42.9% |
| e4 | 1 | 2.8% | 0.0% |
Main lines as White
- 1.d4 — 97% of White games, 42.9% score
- …Nf6 (46% of these games) — Petersen usually continues c4 (39.3% score)
- …d5 (34% of these games) — Petersen usually continues c4 (36.4% score)
- …c6 (6% of these games) — Petersen usually continues c4 (50.0% score)
- 1.e4 — 3% of White games, 0.0% score
- …c6 (100% of these games) — Petersen usually continues d4 (0.0% score)
As Black against 1.e4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e6 | 10 | 45.5% | 45.0% |
| c5 | 8 | 36.4% | 12.5% |
| e5 | 4 | 18.2% | 50.0% |
As Black against 1.d4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 4 | 44.4% | 50.0% |
| Nf6 | 3 | 33.3% | 50.0% |
| e5 | 1 | 11.1% | 0.0% |
| e6 | 1 | 11.1% | 50.0% |
Jan Petersen's chess games
All 72 games by Jan Petersen in the Chess.ceo database (Sep 2011 - 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: 21 wins, 17 draws, 34 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D35 | Indian Defense | 9 | 2/4/3 | 22.2% |
| D10 | Slav Defense | 6 | 3/0/3 | 50.0% |
| A57 | Benoni Defense | 2 | 1/0/1 | 50.0% |
| A52 | Budapest Defense | 2 | 0/1/1 | 0.0% |
| E43 | Nimzo-Indian: Rubinstein System | 2 | 0/1/1 | 0.0% |
| D30 | Queen's Gambit Declined | 2 | 0/0/2 | 0.0% |
| A45 | Queen's Pawn Game | 2 | 1/1/0 | 50.0% |
| E61 | King's Indian Defense | 1 | 0/1/0 | 0.0% |
| A42 | Modern Defense | 1 | 1/0/0 | 100.0% |
| E30 | Nimzo-Indian: Leningrad Variation | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B84 | Sicilian: Najdorf | 5 | 0/2/3 | 0.0% |
| D35 | Indian Defense | 3 | 2/1/0 | 66.7% |
| C01 | French: Exchange Variation | 3 | 1/1/1 | 33.3% |
| C01 | French Defense | 2 | 2/0/0 | 100.0% |
| C01 | French: Winawer Variation | 2 | 1/0/1 | 50.0% |
| C10 | French: Tarrasch Variation | 2 | 0/0/2 | 0.0% |
| D12 | Slav Defense | 2 | 1/0/1 | 50.0% |
| C02 | French: Advance Variation | 1 | 0/0/1 | 0.0% |
| A99 | English Opening | 1 | 0/0/1 | 0.0% |
| A40 | Englund Gambit | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2018 | Palle Bratholm | 2,060 | chT-HK 1819 Series B | D00 |
| Jul 2015 | Ulf Norevall | 1,905 | 37th Politiken Cup | D10 |
| Jul 2014 | Morten Rasmussen | 1,861 | 36th Politiken Cup | A85 |
| Jul 2014 | Torsten Sundgaar Christiansen | 1,793 | 36th Politiken Cup | A06 |
| Jan 2022 | Casper Stochkel | 1,739 | ch-Helsingor CC | A26 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Helsingor Xtracon Open | 2019 | 40 | 15 | 1,593 |
| 36th Politiken Cup | 2014 | 10 | 4 | 1,802 |
| 37th Politiken Cup | 2015 | 9 | 3.5 | 1,787 |
| ch-Helsingor CC | 2022 | 5 | 3 | 1,738 |
| Helsingor Northcoast Cup | 2020 | 3 | 1 | 1,621 |
| ch-Helsingor Club B | 2021 | 2 | 1 | 1,733 |
| Helsingor Rapid Open | 2021 | 2 | 1 | 1,829 |
| chT-HK 1819 Series B | 2018 | 1 | 1 | 2,460 |
Interactive opening tree from all 72 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Petersen's chess games?
72 games by Jan Petersen, from Sep 2011 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 Jan Petersen has played.
What does Jan Petersen play on the first move as White?
Across 36 games with White in our database, Jan Petersen opens with 1.d4 (97% of games), 1.e4 (3% of games). Against 1.e4 as Black, Jan Petersen answers 1...e6 (45% of games), 1...c5 (36% of games), 1...e5 (18% of games). Against 1.d4: 1...d5 (44% of games), 1...Nf6 (33% of games), 1...e5 (11% of games).
What openings does Jan Petersen play as White?
As White, Jan Petersen's most-played openings in our database are: Indian Defense (9 games, 22.2% win rate); Slav Defense (6 games, 50.0% win rate); Benoni Defense (2 games, 50.0% win rate). The full breakdown of 36 games with White is in the table above.
What openings does Jan Petersen play as Black?
As Black, Jan Petersen most often plays: Sicilian: Najdorf (5 games, 0.0% win rate); Indian Defense (3 games, 66.7% win rate); French: Exchange Variation (3 games, 33.3% win rate). See the table above for the top ten Black openings across 36 games.
What is Jan Petersen's FIDE rating?
Jan Petersen is currently rated 1,768 in classical chess, 1,769 in rapid. Peak classical rating: 1,824 (Mar 2024).
How many games has Jan Petersen played?
Our database contains 72 games by Jan Petersen, covering Sep 2011 to Jul 2026. Overall record: 21 wins, 17 draws, 34 losses (29.2% win rate).
How do I prepare against Jan Petersen?
72 games by Jan 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.