Prepare against Harko Bouwens
NLD · World #43,375 classical · FIDE ID 1053205
Our database contains 40 games by Harko Bouwens, covering Feb 2016 to Jul 2026. Below you'll find Harko Bouwens's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Harko Bouwens 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 | 1,920 | 2,036 | Feb 2016 |
| Rapid | 1,953 | 1,967 | Oct 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 40 | 14 | 9 | 16 | 35.0% |
| As White | 22 | 8 | 6 | 7 | 36.4% |
| As Black | 18 | 6 | 3 | 9 | 33.3% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Harko Bouwens's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Harko Bouwens's side.
First moves as White (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 9 | 40.9% | 55.6% |
| d4 | 7 | 31.8% | 50.0% |
| Nf3 | 5 | 22.7% | 50.0% |
| b3 | 1 | 4.5% | 50.0% |
Main lines as White
- 1.e4 — 41% of White games, 55.6% score
- …e5 (44% of these games) — Bouwens usually continues Nf3 (75.0% score)
- …Nf6 (11% of these games) — Bouwens usually continues e5 (0.0% score)
- …c6 (11% of these games) — Bouwens usually continues d4 (100.0% score)
- 1.d4 — 32% of White games, 50.0% score
- …d5 (29% of these games) — Bouwens usually continues Nf3 (25.0% score)
- …e6 (29% of these games) — Bouwens usually continues Nf3 (100.0% score)
- …Nf6 (29% of these games) — Bouwens usually continues c4 (50.0% score)
As Black against 1.e4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 2 | 33.3% | 50.0% |
| c5 | 2 | 33.3% | 75.0% |
| c6 | 1 | 16.7% | 0.0% |
| e6 | 1 | 16.7% | 0.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 4 | 50.0% | 50.0% |
| d6 | 2 | 25.0% | 25.0% |
| f5 | 1 | 12.5% | 0.0% |
| d5 | 1 | 12.5% | 100.0% |
Harko Bouwens's chess games
All 40 games by Harko Bouwens in the Chess.ceo database (Feb 2016 - 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: 14 wins, 9 draws, 16 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A00 | Réti Opening | 3 | 1/1/1 | 33.3% |
| E78 | King's Indian Defense: Four Pawns Attack | 2 | 0/2/0 | 0.0% |
| C43 | Petrov's Defense | 2 | 1/0/0 | 50.0% |
| C66 | Four Knights Game: Spanish Variation | 1 | 1/0/0 | 100.0% |
| C00 | French Defense | 1 | 0/0/1 | 0.0% |
| C16 | French: Winawer Variation | 1 | 0/0/1 | 0.0% |
| C56 | Italian Game: Classical Variation | 1 | 0/1/0 | 0.0% |
| E95 | King's Indian Defense: Orthodox Variation | 1 | 0/0/1 | 0.0% |
| A01 | Nimzovich-Larsen attack | 1 | 0/1/0 | 0.0% |
| B00 | Nimzowitsch Defense | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A45 | Queen's Pawn Game | 3 | 0/1/2 | 0.0% |
| B01 | Scandinavian Defense: Modern Variation | 2 | 1/0/1 | 50.0% |
| A81 | Dutch Defense | 1 | 0/0/1 | 0.0% |
| A13 | English Opening | 1 | 0/1/0 | 0.0% |
| C11 | French: Classical Variation | 1 | 0/0/1 | 0.0% |
| A04 | Hungarian Opening | 1 | 1/0/0 | 100.0% |
| E94 | King's Indian Defense: Orthodox Variation | 1 | 1/0/0 | 100.0% |
| E39 | Nimzo-Indian: Classical Variation | 1 | 0/0/1 | 0.0% |
| E24 | Nimzo-Indian: Sämisch Variation | 1 | 1/0/0 | 100.0% |
| A02 | Nimzovich-Larsen attack | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1997 | Fokke Jonkman | 2,313 | Computerij Open | A46 |
| Oct 2016 | Renzo Rorato | 2,018 | 23rd Venice Autumn Open | B12 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 23rd Venice Autumn Open | 2016 | 6 | 1.5 | 1,927 |
| 3rd Haarlem AKN Open | 1994 | 6 | 3 | 2,330 |
| Alkmaar ACCOM Open | 1992 | 5 | 4 | – |
| 5th Haarlem AKN Open | 1996 | 5 | 2.5 | 2,345 |
| 6th Haarlem AKN Open | 1997 | 5 | 1 | 1,910 |
| 8th Haarlem AKN Open | 1999 | 5 | 2.5 | 2,223 |
| Soest Open | 1998 | 3 | 0.5 | 1,698 |
| Hengelo U20 Open | 1993 | 2 | 0.5 | – |
Interactive opening tree from all 40 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Harko Bouwens's chess games?
40 games by Harko Bouwens, from Feb 2016 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 Harko Bouwens has played.
What does Harko Bouwens play on the first move as White?
Across 22 games with White in our database, Harko Bouwens opens with 1.e4 (41% of games), 1.d4 (32% of games), 1.Nf3 (23% of games). Against 1.e4 as Black, Harko Bouwens answers 1...d5 (33% of games), 1...c5 (33% of games), 1...c6 (17% of games). Against 1.d4: 1...Nf6 (50% of games), 1...d6 (25% of games), 1...f5 (13% of games).
What openings does Harko Bouwens play as White?
As White, Harko Bouwens's most-played openings in our database are: Réti Opening (3 games, 33.3% win rate); King's Indian Defense: Four Pawns Attack (2 games, 0.0% win rate); Petrov's Defense (2 games, 50.0% win rate). The full breakdown of 22 games with White is in the table above.
What openings does Harko Bouwens play as Black?
As Black, Harko Bouwens most often plays: Queen's Pawn Game (3 games, 0.0% win rate); Scandinavian Defense: Modern Variation (2 games, 50.0% win rate); Dutch Defense (1 games, 0.0% win rate). See the table above for the top ten Black openings across 18 games.
What is Harko Bouwens's FIDE rating?
Harko Bouwens is currently rated 1,920 in classical chess, 1,953 in rapid. Peak classical rating: 2,036 (Feb 2016).
How many games has Harko Bouwens played?
Our database contains 40 games by Harko Bouwens, covering Feb 2016 to Jul 2026. Overall record: 14 wins, 9 draws, 16 losses (35.0% win rate).
How do I prepare against Harko Bouwens?
40 games by Harko Bouwens 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.