Prepare against Joop Maas
NLD · World #52,788 classical · FIDE ID 1025759
Our database contains 75 games by Joop Maas, covering Jul 2008 to Jul 2026. Below you'll find Joop Maas's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Joop Maas 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 | 1,882 | 1,941 | Aug 2016 |
| Rapid | 1,900 | 1,915 | Sep 2025 |
| Blitz | 1,770 | 1,883 | Nov 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 75 | 11 | 19 | 45 | 14.7% |
| As White | 36 | 8 | 14 | 14 | 22.2% |
| As Black | 39 | 3 | 5 | 31 | 7.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Joop Maas's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Joop Maas's side.
First moves as White (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 33 | 91.7% | 42.4% |
| e4 | 3 | 8.3% | 33.3% |
Main lines as White
- 1.d4 — 92% of White games, 42.4% score
- …Nf6 (58% of these games) — Maas usually continues Nf3 (39.3% score)
- …d5 (33% of these games) — Maas usually continues Nf3 (30.0% score)
- …g6 (3% of these games) — Maas usually continues c4 (50.0% score)
- 1.e4 — 8% of White games, 33.3% score
- …e5 (33% of these games) — Maas usually continues Nf3 (50.0% score)
- …c5 (33% of these games) — Maas usually continues Nc3 (0.0% score)
- …c6 (33% of these games) — Maas usually continues d4 (50.0% score)
As Black against 1.e4 (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c6 | 17 | 77.3% | 8.8% |
| e5 | 3 | 13.6% | 16.7% |
| c5 | 2 | 9.1% | 0.0% |
As Black against 1.d4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 14 | 100.0% | 21.4% |
Joop Maas's chess games
All 75 games by Joop Maas in the Chess.ceo database (Jul 2008 - 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, 19 draws, 45 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D03 | Torre Attack | 11 | 1/6/4 | 9.1% |
| D03 | Indian Defense | 7 | 3/2/2 | 42.9% |
| D02 | Queen's Pawn Game | 5 | 0/1/4 | 0.0% |
| D91 | Grünfeld Defense | 2 | 1/0/1 | 50.0% |
| E97 | King's Indian Defense: Orthodox Variation | 1 | 1/0/0 | 100.0% |
| E38 | Benoni Defense | 1 | 1/0/0 | 100.0% |
| A35 | Modern Defense | 1 | 0/1/0 | 0.0% |
| D20 | Queen's Gambit Accepted | 1 | 0/0/1 | 0.0% |
| D58 | Queen's Gambit Declined: Orthodox Defense | 1 | 0/1/0 | 0.0% |
| C82 | Ruy Lopez: Open | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D37 | Indian Defense | 8 | 1/0/7 | 12.5% |
| B13 | Caro-Kann: Exchange Variation | 6 | 1/1/4 | 16.7% |
| B17 | Caro-Kann: Karpov Variation | 6 | 0/0/6 | 0.0% |
| E05 | Catalan | 3 | 0/1/2 | 0.0% |
| C34 | King's Gambit | 2 | 0/0/2 | 0.0% |
| B12 | Caro-Kann: Fantasy Variation | 2 | 0/0/2 | 0.0% |
| B11 | Caro-Kann: Two Knights Variation | 2 | 0/0/2 | 0.0% |
| B23 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| B85 | Sicilian: Najdorf | 1 | 0/0/1 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Aug 2006 | Yochanan Afek | 2,316 | 10th Vlissingen HZ Open | D05 |
| Jul 2012 | Ralf Schulte | 1,774 | 4th Lingen Open | D56 |
| Jul 2002 | Jarno Witkamp | 1,664 | 1st Haarlem Nova College Open | D03 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 4th Haarlem AKN Open | 1995 | 5 | 2 | 2,230 |
| 5th Haarlem AKN Open | 1996 | 5 | 2.5 | 2,315 |
| 4th Lingen Open | 2012 | 5 | 2 | 2,006 |
| Glorney Cup | 1996 | 5 | 1 | 1,977 |
| 9th Haarlem AKN Open | 2000 | 5 | 2.5 | 2,349 |
| 3rd Haarlem AKN Open | 1994 | 5 | 2.5 | 2,260 |
| 1st Haarlem Nova College Open | 2002 | 4 | 1 | 1,859 |
| 11th Vlissingen HZ Open | 2007 | 4 | 0.5 | 1,882 |
Interactive opening tree from all 75 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Joop Maas's chess games?
75 games by Joop Maas, from Jul 2008 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 Joop Maas has played.
What does Joop Maas play on the first move as White?
Across 36 games with White in our database, Joop Maas opens with 1.d4 (92% of games), 1.e4 (8% of games). Against 1.e4 as Black, Joop Maas answers 1...c6 (77% of games), 1...e5 (14% of games), 1...c5 (9% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Joop Maas play as White?
As White, Joop Maas's most-played openings in our database are: Torre Attack (11 games, 9.1% win rate); Indian Defense (7 games, 42.9% win rate); Queen's Pawn Game (5 games, 0.0% win rate). The full breakdown of 36 games with White is in the table above.
What openings does Joop Maas play as Black?
As Black, Joop Maas most often plays: Indian Defense (8 games, 12.5% win rate); Caro-Kann: Exchange Variation (6 games, 16.7% win rate); Caro-Kann: Karpov Variation (6 games, 0.0% win rate). See the table above for the top ten Black openings across 39 games.
What is Joop Maas's FIDE rating?
Joop Maas is currently rated 1,882 in classical chess, 1,900 in rapid and 1,770 in blitz. Peak classical rating: 1,941 (Aug 2016).
How many games has Joop Maas played?
Our database contains 75 games by Joop Maas, covering Jul 2008 to Jul 2026. Overall record: 11 wins, 19 draws, 45 losses (14.7% win rate).
How do I prepare against Joop Maas?
75 games by Joop Maas 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.