Prepare against Viktor Haarmark Nielsen
IM · DNK · World #1,361 classical · FIDE ID 1444492
When preparing against Viktor Haarmark Nielsen, expect 1.e4 in 60% of White games. Against 1.e4 the reply is 1...e5 (68% of games); against 1.d4, 1...Nf6 (62%). Lowest win rate among frequent openings: Indian Defense as Black, 17.4% over 23 games.
Our database contains 660 games by Viktor Haarmark Nielsen, covering Mar 2013 to Nov 2026. Below you'll find Viktor Haarmark Nielsen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Viktor Haarmark 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 | 2,419 | 2,425 | Oct 2026 |
| Rapid | 2,364 | 2,366 | Oct 2026 |
| Blitz | 2,325 | 2,354 | May 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 660 | 260 | 203 | 197 | 39.4% |
| As White | 328 | 145 | 101 | 82 | 44.2% |
| As Black | 332 | 115 | 102 | 115 | 34.6% |
FIDE rated record
From FIDE's official rated-game ledger (2012-2026): 1,235 rated games against 513 different opponents, across 167 events in 12 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.
By time control
| Format | Games | W | D | L | Win rate | Avg opp | Perf | Unbeaten |
|---|---|---|---|---|---|---|---|---|
| Classical | 1,128 | 460 | 373 | 295 | 40.8% | 2,216 | 2,269 | 21 |
| Rapid | 36 | 18 | 12 | 6 | 50.0% | 2,225 | 2,358 | 17 |
| Blitz | 55 | 36 | 5 | 14 | 65.5% | 2,188 | 2,339 | 12 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 539 | 104 | 206 | 229 | 19.3% |
| Against lower-rated | 645 | 380 | 188 | 77 | 58.9% |
Wins over titled players: 20 vs GM · 55 vs IM · 111 vs FM · 25 vs CM · 2 vs WGM · 4 vs WIM · 14 vs WFM.
Tournament wins
22 tournament wins from 116 events, 9 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 58 | 25 | 21 | 12 | 2,367 | 2,456 |
| 2025 | 87 | 34 | 33 | 20 | 2,305 | 2,370 |
| 2024 | 55 | 19 | 21 | 15 | 2,350 | 2,379 |
| 2023 | 155 | 60 | 47 | 48 | 2,283 | 2,309 |
| 2022 | 138 | 73 | 29 | 36 | 2,276 | 2,382 |
| 2021 | 72 | 17 | 30 | 25 | 2,299 | 2,255 |
| 2020 | 46 | 14 | 20 | 12 | 2,294 | 2,312 |
| 2019 | 122 | 57 | 45 | 20 | 2,178 | 2,297 |
| 2018 | 112 | 48 | 39 | 25 | 2,195 | 2,277 |
| 2017 | 73 | 36 | 29 | 8 | 2,166 | 2,312 |
| 2016 | 55 | 25 | 16 | 14 | 2,117 | 2,197 |
| 2015 | 95 | 32 | 29 | 34 | 2,122 | 2,105 |
| 2014 | 89 | 36 | 24 | 29 | 2,090 | 2,113 |
| 2013 | 58 | 32 | 14 | 12 | 1,949 | 2,063 |
| 2012 | 20 | 12 | 2 | 6 | 1,766 | 1,875 |
Where Viktor Haarmark Nielsen has played
Denmark (220) · FAI (3) · Norway (3) · Germany (2) · Austria (1) · Croatia (1) · France (1) · Greece (1) · Italy (1) · South Africa (1) · Slovakia (1) · Sweden (1)
Move-by-move preparation stats
Straight from the preparation tree built over all of Viktor Haarmark Nielsen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Viktor Haarmark Nielsen's side.
First moves as White (328 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 196 | 59.8% | 58.7% |
| d4 | 106 | 32.3% | 62.3% |
| c4 | 15 | 4.6% | 50.0% |
| Nf3 | 11 | 3.4% | 63.6% |
Main lines as White
- 1.e4 — 60% of White games, 58.7% score
- …c5 (32% of these games) — Nielsen usually continues Nf3 (55.0% score)
- …e5 (28% of these games) — Nielsen usually continues Nf3 (59.3% score)
- …c6 (12% of these games) — Nielsen usually continues d4 (75.0% score)
- 1.d4 — 32% of White games, 62.3% score
- …Nf6 (63% of these games) — Nielsen usually continues c4 (59.2% score)
- …d5 (26% of these games) — Nielsen usually continues c4 (62.5% score)
- …e6 (7% of these games) — Nielsen usually continues c4 (78.6% score)
As Black against 1.e4 (153 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 104 | 68.0% | 51.0% |
| c5 | 45 | 29.4% | 46.7% |
| d5 | 2 | 1.3% | 100.0% |
| c6 | 1 | 0.7% | 100.0% |
| d6 | 1 | 0.7% | 0.0% |
As Black against 1.d4 (113 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 70 | 61.9% | 48.6% |
| d5 | 40 | 35.4% | 52.5% |
| e6 | 2 | 1.8% | 50.0% |
| g6 | 1 | 0.9% | 100.0% |
Viktor Haarmark Nielsen's chess games
All 660 games by Viktor Haarmark Nielsen in the Chess.ceo database (Mar 2013 - Nov 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: 260 wins, 203 draws, 197 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E04 | Catalan | 48 | 21/17/10 | 43.8% |
| B55 | Sicilian | 26 | 11/7/8 | 42.3% |
| C84 | Ruy Lopez: Closed | 21 | 6/12/3 | 28.6% |
| D12 | Slav Defense | 13 | 3/7/3 | 23.1% |
| B06 | Modern Defense | 12 | 6/2/4 | 50.0% |
| B80 | Sicilian: Najdorf | 10 | 3/2/5 | 30.0% |
| C65 | Ruy Lopez: Berlin Defense | 9 | 3/4/2 | 33.3% |
| C18 | French: Winawer Variation | 9 | 5/4/0 | 55.6% |
| E94 | King's Indian Defense: Orthodox Variation | 9 | 5/2/2 | 55.6% |
| B22 | Sicilian: Alapin | 9 | 3/0/6 | 33.3% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D36 | Indian Defense | 23 | 4/12/7 | 17.4% |
| A36 | English Opening: Symmetrical | 21 | 6/10/5 | 28.6% |
| C88 | Ruy Lopez: Closed | 17 | 8/4/5 | 47.1% |
| C54 | Italian Game: Classical Variation | 15 | 4/7/4 | 26.7% |
| E04 | Catalan | 14 | 6/3/5 | 42.9% |
| D02 | London System | 14 | 8/3/3 | 57.1% |
| B47 | Sicilian: Taimanov | 14 | 7/3/4 | 50.0% |
| C45 | Scotch Game | 14 | 3/3/8 | 21.4% |
| B40 | Sicilian | 13 | 3/5/5 | 23.1% |
| A06 | Réti Opening | 11 | 6/4/1 | 54.5% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2022 | Allan Stig Rasmussen | 2,550 | ch-DEN blitz Final KO | A07 |
| Mar 2026 | Boris Chatalbashev | 2,534 | ch-DEN 2026 | E04 |
| May 2022 | Sabino Brunello | 2,521 | Copenhagen CC GM | A62 |
| Nov 2024 | Bjorn Moller Ochsner | 2,512 | 62nd TCh-DEN Ex 2024-25 | A29 |
| Dec 2022 | Tiger Hillarp Persson | 2,511 | chT-DEN 2223 60th | A42 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2024 | 45 | 22.5 | 2,210 |
| Copenhagen Obro New Year Open | 2022 | 32 | 19.5 | 2,284 |
| Copenhagen Bronshoj Open | 2017 | 28 | 17.5 | 2,160 |
| ch-DEN cand | 2022 | 28 | 17.5 | 2,277 |
| Copenhagen CC GM | 2024 | 27 | 8 | 2,253 |
| Copenhagen GoAudit Open | 2023 | 22 | 15 | 2,306 |
| Helsingor Xtracon Open | 2019 | 20 | 12.5 | 2,212 |
| Copenhagen CC IM | 2023 | 18 | 12.5 | 2,456 |
Frequent opponents
Head-to-head records: Jonny Hector (13 games) · Nicolai Kistrup (12 games) · Mikkel Manosri Jacobsen (11 games)
Interactive opening tree from all 660 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Viktor Haarmark Nielsen's chess games?
660 games by Viktor Haarmark Nielsen, from Mar 2013 to Nov 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 Viktor Haarmark Nielsen has played.
What does Viktor Haarmark Nielsen play on the first move as White?
Across 328 games with White in our database, Viktor Haarmark Nielsen opens with 1.e4 (60% of games), 1.d4 (32% of games), 1.c4 (5% of games). Against 1.e4 as Black, Viktor Haarmark Nielsen answers 1...e5 (68% of games), 1...c5 (29% of games), 1...d5 (1% of games). Against 1.d4: 1...Nf6 (62% of games), 1...d5 (35% of games), 1...e6 (2% of games).
What openings does Viktor Haarmark Nielsen play as White?
As White, Viktor Haarmark Nielsen's most-played openings in our database are: Catalan (48 games, 43.8% win rate); Sicilian (26 games, 42.3% win rate); Ruy Lopez: Closed (21 games, 28.6% win rate). The full breakdown of 328 games with White is in the table above.
What openings does Viktor Haarmark Nielsen play as Black?
As Black, Viktor Haarmark Nielsen most often plays: Indian Defense (23 games, 17.4% win rate); English Opening: Symmetrical (21 games, 28.6% win rate); Ruy Lopez: Closed (17 games, 47.1% win rate). See the table above for the top ten Black openings across 332 games.
What is Viktor Haarmark Nielsen's FIDE rating?
Viktor Haarmark Nielsen is currently rated 2,419 in classical chess, 2,364 in rapid and 2,325 in blitz. Peak classical rating: 2,425 (Oct 2026).
How many games has Viktor Haarmark Nielsen played?
Our database contains 660 games by Viktor Haarmark Nielsen, covering Mar 2013 to Nov 2026. Overall record: 260 wins, 203 draws, 197 losses (39.4% win rate).
How do I prepare against Viktor Haarmark Nielsen?
660 games by Viktor Haarmark 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.