Prepare against Coen Janssen
NLD · World #8,763 classical · FIDE ID 1009192
Our database contains 34 games by Coen Janssen, covering Apr 2003 to Jul 2026. Below you'll find Coen Janssen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Coen Janssen 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 | 2,190 | 2,267 | Apr 2008 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 34 | 6 | 5 | 23 | 17.6% |
| As White | 15 | 3 | 3 | 9 | 20.0% |
| As Black | 19 | 3 | 2 | 14 | 15.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Coen Janssen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Coen Janssen's side.
First moves as White (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 12 | 80.0% | 37.5% |
| e4 | 3 | 20.0% | 0.0% |
Main lines as White
- 1.d4 — 80% of White games, 37.5% score
- …Nf6 (67% of these games) — Janssen usually continues Nf3 (50.0% score)
- …d5 (17% of these games) — Janssen usually continues Nf3 (50.0% score)
- …f5 (8% of these games) — Janssen usually continues Nc3 (50.0% score)
- 1.e4 — 20% of White games, 0.0% score
- …c5 (33% of these games) — Janssen usually continues Nc3 (0.0% score)
- …b6 (33% of these games) — Janssen usually continues Nc3 (0.0% score)
- …e5 (33% of these games) — Janssen usually continues Nf3 (0.0% score)
As Black against 1.e4 (9 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 6 | 66.7% | 25.0% |
| e6 | 2 | 22.2% | 50.0% |
| e5 | 1 | 11.1% | 0.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 75.0% | 8.3% |
| d5 | 2 | 25.0% | 0.0% |
Coen Janssen's chess games
All 34 games by Coen Janssen in the Chess.ceo database (Apr 2003 - 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: 6 wins, 5 draws, 23 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 4 | 2/1/1 | 50.0% |
| A46 | Indian Defense | 2 | 0/0/2 | 0.0% |
| E45 | Nimzo-Indian: Rubinstein System | 2 | 0/0/2 | 0.0% |
| A80 | Horwitz Defense | 1 | 0/1/0 | 0.0% |
| B00 | Owen Defense | 1 | 0/0/1 | 0.0% |
| C63 | Ruy Lopez: Schliemann | 1 | 0/0/1 | 0.0% |
| A61 | Benoni Defense | 1 | 1/0/0 | 100.0% |
| B25 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| A80 | Dutch Defense | 1 | 0/1/0 | 0.0% |
| A35 | Grünfeld Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A55 | Indian Defense | 5 | 0/1/4 | 0.0% |
| B16 | Caro-Kann: Main Line | 3 | 1/0/2 | 33.3% |
| A45 | Queen's Pawn Game | 2 | 0/0/2 | 0.0% |
| B13 | Caro-Kann: Exchange Variation | 2 | 0/1/1 | 0.0% |
| C41 | Philidor | 1 | 0/0/1 | 0.0% |
| D31 | Semi-Slav Defense | 1 | 0/0/1 | 0.0% |
| B15 | Caro-Kann: Bronstein-Larsen | 1 | 0/0/1 | 0.0% |
| D13 | Slav Defense | 1 | 1/0/0 | 100.0% |
| C06 | French: Tarrasch Variation | 1 | 0/0/1 | 0.0% |
| C18 | French: Winawer Variation | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 1991 | Marcel Beulen | 2,280 | Caorle Open A | D02 |
| Jan 1987 | Evert Jan Straat | 2,260 | Haarlem ACCOM Open | A48 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Caorle Open A | 1991 | 9 | 3 | 2,129 |
| chT-NED 9495 | 1994 | 7 | 0 | 1,954 |
| Haarlem ACCOM Open | 1987 | 7 | 4.5 | 2,384 |
| Haarlem ACCOM Open 2 | 1988 | 5 | 1 | – |
| Open NED 14 | 1983 | 2 | 0 | – |
| ch-NED Open 16 | 1985 | 1 | 0 | – |
| ch-NED Open 13 | 1982 | 1 | 0 | – |
| ch-NED Open 15 | 1984 | 1 | 0 | 2,045 |
Interactive opening tree from all 34 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Coen Janssen's chess games?
34 games by Coen Janssen, from Apr 2003 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 Coen Janssen has played.
What does Coen Janssen play on the first move as White?
Across 15 games with White in our database, Coen Janssen opens with 1.d4 (80% of games), 1.e4 (20% of games). Against 1.e4 as Black, Coen Janssen answers 1...c6 (67% of games), 1...e6 (22% of games), 1...e5 (11% of games). Against 1.d4: 1...Nf6 (75% of games), 1...d5 (25% of games).
What openings does Coen Janssen play as White?
As White, Coen Janssen's most-played openings in our database are: London System (4 games, 50.0% win rate); Indian Defense (2 games, 0.0% win rate); Nimzo-Indian: Rubinstein System (2 games, 0.0% win rate). The full breakdown of 15 games with White is in the table above.
What openings does Coen Janssen play as Black?
As Black, Coen Janssen most often plays: Indian Defense (5 games, 0.0% win rate); Caro-Kann: Main Line (3 games, 33.3% win rate); Queen's Pawn Game (2 games, 0.0% win rate). See the table above for the top ten Black openings across 19 games.
What is Coen Janssen's FIDE rating?
Coen Janssen is currently rated 2,190 in classical chess. Peak classical rating: 2,267 (Apr 2008).
How many games has Coen Janssen played?
Our database contains 34 games by Coen Janssen, covering Apr 2003 to Jul 2026. Overall record: 6 wins, 5 draws, 23 losses (17.6% win rate).
How do I prepare against Coen Janssen?
34 games by Coen Janssen 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.