Prepare against Jens Hartung-Nielsen
DNK · World #18,112 classical · FIDE ID 1400690
When preparing against Jens Hartung-Nielsen, expect 1.d4 in 62% of White games. Against 1.e4 the reply is 1...c5 (80% of games); against 1.d4, 1...d5 (46%). Lowest win rate among frequent openings: Sicilian: Four Knights as Black, 6.7% over 15 games.
Our database contains 605 games by Jens Hartung-Nielsen, covering Apr 2003 to Aug 2026. Below you'll find Jens Hartung-Nielsen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jens Hartung-Nielsen 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 | 2,074 | 2,241 | Mar 2013 |
| Rapid | 2,154 | 2,189 | Mar 2016 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 605 | 200 | 222 | 183 | 33.1% |
| As White | 299 | 113 | 104 | 82 | 37.8% |
| As Black | 306 | 87 | 118 | 101 | 28.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jens Hartung-Nielsen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jens Hartung-Nielsen's side.
First moves as White (299 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 186 | 62.2% | 54.6% |
| e4 | 63 | 21.1% | 53.2% |
| Nf3 | 28 | 9.4% | 60.7% |
| c4 | 16 | 5.4% | 62.5% |
| f4 | 5 | 1.7% | 60.0% |
| Nc3 | 1 | 0.3% | 0.0% |
Main lines as White
- 1.d4 — 62% of White games, 54.6% score
- …Nf6 (56% of these games) — Hartung-Nielsen usually continues Nf3 (52.1% score)
- …d5 (20% of these games) — Hartung-Nielsen usually continues c4 (51.7% score)
- …g6 (8% of these games) — Hartung-Nielsen usually continues Nf3 (72.2% score)
- 1.e4 — 21% of White games, 53.2% score
- …c5 (43% of these games) — Hartung-Nielsen usually continues d4 (60.7% score)
- …e5 (29% of these games) — Hartung-Nielsen usually continues Nf3 (56.3% score)
- …c6 (10% of these games) — Hartung-Nielsen usually continues d4 (40.0% score)
As Black against 1.e4 (143 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 115 | 80.4% | 46.1% |
| e5 | 17 | 11.9% | 50.0% |
| d5 | 9 | 6.3% | 50.0% |
| c6 | 1 | 0.7% | 50.0% |
| e6 | 1 | 0.7% | 0.0% |
As Black against 1.d4 (112 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 51 | 45.5% | 47.1% |
| Nf6 | 50 | 44.6% | 47.0% |
| f5 | 10 | 8.9% | 65.0% |
| g6 | 1 | 0.9% | 100.0% |
Jens Hartung-Nielsen's chess games
All 605 games by Jens Hartung-Nielsen in the Chess.ceo database (Apr 2003 - 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: 200 wins, 222 draws, 183 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D05 | Indian Defense | 44 | 19/17/8 | 43.2% |
| E92 | King's Indian Defense: Orthodox Variation | 25 | 10/9/6 | 40.0% |
| D94 | Slav Defense | 15 | 6/7/2 | 40.0% |
| B21 | Sicilian: Smith-Morra Gambit | 14 | 7/3/4 | 50.0% |
| B06 | Modern Defense | 14 | 9/3/2 | 64.3% |
| A80 | Dutch Defense | 12 | 6/4/2 | 50.0% |
| A48 | Torre Attack | 12 | 4/4/4 | 33.3% |
| D85 | Grünfeld Defense | 11 | 2/3/6 | 18.2% |
| A13 | English Opening | 11 | 8/1/2 | 72.7% |
| E12 | Queen's Indian Defense | 10 | 1/4/5 | 10.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D34 | Queen's Gambit Declined | 40 | 11/14/15 | 27.5% |
| B76 | Sicilian: Dragon | 25 | 7/7/11 | 28.0% |
| B50 | Sicilian | 18 | 6/6/6 | 33.3% |
| B27 | Sicilian: Hyperaccelerated Dragon | 15 | 6/4/5 | 40.0% |
| B45 | Sicilian: Four Knights | 15 | 1/9/5 | 6.7% |
| B23 | Sicilian: Closed | 14 | 4/5/5 | 28.6% |
| B22 | Sicilian: Alapin | 13 | 2/8/3 | 15.4% |
| C41 | Philidor | 12 | 5/2/5 | 41.7% |
| D02 | Queen's Pawn Game | 12 | 5/5/2 | 41.7% |
| A55 | Indian Defense | 10 | 2/5/3 | 20.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1988 | Pawel Stempin | 2,435 | Naestved Open | E14 |
| Jun 1982 | Carsten Hoi | 2,425 | Copenhagen Open 04 (Politiken Cup 03) | D40 |
| Jun 1989 | Laszlo Zsinka | 2,405 | 11th Politiken Cup | D32 |
| Jan 1988 | Henrik Danielsen | 2,400 | chB-DEN | E91 |
| Nov 2003 | Uffe Vinter-Schou | 2,397 | Helsinge Open | E90 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Helsingor Xtracon Open | 2019 | 35 | 21.5 | 2,214 |
| ch-DEN Seniors 65+ | 2021 | 22 | 15 | 2,144 |
| Lyngby Open | 1991 | 21 | 10.5 | 2,310 |
| Copenhagen Obro Open | 1993 | 18 | 9 | 2,280 |
| chB-DEN | 1991 | 14 | 8.5 | 2,401 |
| ch-Nordic | 1973 | 11 | 6.5 | – |
| 33rd World Senior 65+ | 2025 | 11 | 6 | 1,966 |
| 18th Politiken Cup | 1996 | 11 | 6 | 2,350 |
Interactive opening tree from all 605 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jens Hartung-Nielsen's chess games?
605 games by Jens Hartung-Nielsen, from Apr 2003 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 Jens Hartung-Nielsen has played.
What does Jens Hartung-Nielsen play on the first move as White?
Across 299 games with White in our database, Jens Hartung-Nielsen opens with 1.d4 (62% of games), 1.e4 (21% of games), 1.Nf3 (9% of games). Against 1.e4 as Black, Jens Hartung-Nielsen answers 1...c5 (80% of games), 1...e5 (12% of games), 1...d5 (6% of games). Against 1.d4: 1...d5 (46% of games), 1...Nf6 (45% of games), 1...f5 (9% of games).
What openings does Jens Hartung-Nielsen play as White?
As White, Jens Hartung-Nielsen's most-played openings in our database are: Indian Defense (44 games, 43.2% win rate); King's Indian Defense: Orthodox Variation (25 games, 40.0% win rate); Slav Defense (15 games, 40.0% win rate). The full breakdown of 299 games with White is in the table above.
What openings does Jens Hartung-Nielsen play as Black?
As Black, Jens Hartung-Nielsen most often plays: Queen's Gambit Declined (40 games, 27.5% win rate); Sicilian: Dragon (25 games, 28.0% win rate); Sicilian (18 games, 33.3% win rate). See the table above for the top ten Black openings across 306 games.
What is Jens Hartung-Nielsen's FIDE rating?
Jens Hartung-Nielsen is currently rated 2,074 in classical chess, 2,154 in rapid. Peak classical rating: 2,241 (Mar 2013).
How many games has Jens Hartung-Nielsen played?
Our database contains 605 games by Jens Hartung-Nielsen, covering Apr 2003 to Aug 2026. Overall record: 200 wins, 222 draws, 183 losses (33.1% win rate).
How do I prepare against Jens Hartung-Nielsen?
605 games by Jens Hartung-Nielsen 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.