Prepare against Ger Janssen
CM · NLD · World #10,680 classical · FIDE ID 1004662
Our database contains 50 games by Ger Janssen, covering Apr 2003 to Jul 2026. Below you'll find Ger Janssen's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Ger 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 | 2,159 | 2,241 | Feb 2014 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 50 | 11 | 23 | 16 | 22.0% |
| As White | 26 | 8 | 13 | 5 | 30.8% |
| As Black | 24 | 3 | 10 | 11 | 12.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Ger Janssen's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Ger Janssen's side.
First moves as White (26 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 22 | 84.6% | 59.1% |
| d4 | 2 | 7.7% | 50.0% |
| Nf3 | 1 | 3.8% | 50.0% |
| e4 | 1 | 3.8% | 0.0% |
Main lines as White
- 1.c4 — 85% of White games, 59.1% score
- …Nf6 (36% of these games) — Janssen usually continues g3 (50.0% score)
- …c5 (18% of these games) — Janssen usually continues g3 (37.5% score)
- …e5 (18% of these games) — Janssen usually continues g3 (75.0% score)
- 1.d4 — 8% of White games, 50.0% score
- …Nf6 (100% of these games) — Janssen usually continues c4 (50.0% score)
As Black against 1.e4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d6 | 13 | 100.0% | 38.5% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 87.5% | 28.6% |
| g6 | 1 | 12.5% | 0.0% |
Ger Janssen's chess games
All 50 games by Ger 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: 11 wins, 23 draws, 16 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A37 | English Opening: Symmetrical | 6 | 2/2/2 | 33.3% |
| A12 | English Opening | 5 | 0/5/0 | 0.0% |
| A20 | English Opening: Reverse Sicilian | 5 | 3/2/0 | 60.0% |
| A14 | English Opening: Neo-Catalan | 1 | 0/1/0 | 0.0% |
| B07 | Sicilian: Alapin | 1 | 0/0/1 | 0.0% |
| A12 | English Opening: Slav Setup | 1 | 1/0/0 | 100.0% |
| A93 | English Opening: Dutch Defense | 1 | 0/1/0 | 0.0% |
| E91 | King's Indian Defense: Averbakh System | 1 | 1/0/0 | 100.0% |
| A36 | Modern Defense | 1 | 0/0/1 | 0.0% |
| E59 | Nimzo-Indian: Rubinstein System | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B07 | Pirc Defense | 13 | 2/6/5 | 15.4% |
| A57 | Benoni Defense | 6 | 1/2/3 | 16.7% |
| A34 | English Opening: Symmetrical | 1 | 0/0/1 | 0.0% |
| B07 | Modern Defense | 1 | 0/0/1 | 0.0% |
| A55 | Old Indian | 1 | 0/1/0 | 0.0% |
| A57 | Indian Defense | 1 | 0/0/1 | 0.0% |
| B25 | Bird's opening | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 1999 | Maurice Peek | 2,313 | ch-LiSB | A18 |
| Dec 2001 | Frank Dischinger | 2,239 | ch-LiSB | A12 |
| Jan 1992 | Andreas Papastavropoulos | 2,225 | Komotini Open | E91 |
| Jan 1998 | Hebert Perez Garcia | 2,205 | ch-NED 53 sf | A25 |
| Jul 2005 | Rienk Sijbesma | 2,104 | Dieren Open | A34 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Dieren Open | 2005 | 18 | 8.5 | 2,228 |
| ch-LiSB | 2001 | 14 | 8 | 2,250 |
| ch-NED 53 sf | 1998 | 9 | 4 | 2,199 |
| Venlo VSV 75 A5 | 2000 | 3 | 0.5 | 1,949 |
| Komotini Open | 1992 | 2 | 1 | 2,310 |
| Helmond Open | 1999 | 1 | 0.5 | – |
| Utrecht OKU Open | 2005 | 1 | 0 | 2,214 |
| 18th Ghent Open | 1995 | 1 | 0 | 1,970 |
Interactive opening tree from all 50 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Ger Janssen's chess games?
50 games by Ger 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 Ger Janssen has played.
What does Ger Janssen play on the first move as White?
Across 26 games with White in our database, Ger Janssen opens with 1.c4 (85% of games), 1.d4 (8% of games), 1.Nf3 (4% of games). Against 1.e4 as Black, Ger Janssen answers 1...d6 (100% of games). Against 1.d4: 1...Nf6 (88% of games), 1...g6 (13% of games).
What openings does Ger Janssen play as White?
As White, Ger Janssen's most-played openings in our database are: English Opening: Symmetrical (6 games, 33.3% win rate); English Opening (5 games, 0.0% win rate); English Opening: Reverse Sicilian (5 games, 60.0% win rate). The full breakdown of 26 games with White is in the table above.
What openings does Ger Janssen play as Black?
As Black, Ger Janssen most often plays: Pirc Defense (13 games, 15.4% win rate); Benoni Defense (6 games, 16.7% win rate); English Opening: Symmetrical (1 games, 0.0% win rate). See the table above for the top ten Black openings across 24 games.
What is Ger Janssen's FIDE rating?
Ger Janssen is currently rated 2,159 in classical chess. Peak classical rating: 2,241 (Feb 2014).
How many games has Ger Janssen played?
Our database contains 50 games by Ger Janssen, covering Apr 2003 to Jul 2026. Overall record: 11 wins, 23 draws, 16 losses (22.0% win rate).
How do I prepare against Ger Janssen?
50 games by Ger 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.