Prepare against Conrad Mostertman
NLD · World #37,584 classical · FIDE ID 1007661
Our database contains 33 games by Conrad Mostertman, covering Apr 2003 to Jul 2026. Below you'll find Conrad Mostertman's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Conrad Mostertman 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 | 1,946 | 2,103 | Jan 2007 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 33 | 7 | 8 | 18 | 21.2% |
| As White | 18 | 3 | 4 | 11 | 16.7% |
| As Black | 15 | 4 | 4 | 7 | 26.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Conrad Mostertman's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Conrad Mostertman's side.
First moves as White (18 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 12 | 66.7% | 33.3% |
| f4 | 3 | 16.7% | 33.3% |
| d4 | 3 | 16.7% | 0.0% |
Main lines as White
- 1.e4 — 67% of White games, 33.3% score
- …c5 (33% of these games) — Mostertman usually continues Nf3 (16.7% score)
- …e5 (25% of these games) — Mostertman usually continues f4 (50.0% score)
- …d5 (17% of these games) — Mostertman usually continues exd5 (25.0% score)
- 1.f4 — 17% of White games, 33.3% score
- …d5 (100% of these games) — Mostertman usually continues Nf3 (33.3% score)
As Black against 1.e4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 9 | 90.0% | 55.6% |
| c5 | 1 | 10.0% | 50.0% |
As Black against 1.d4 (3 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 1 | 33.3% | 0.0% |
| f5 | 1 | 33.3% | 0.0% |
| d5 | 1 | 33.3% | 50.0% |
Conrad Mostertman's chess games
All 33 games by Conrad Mostertman 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: 7 wins, 8 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A03 | Bird's opening | 3 | 1/0/2 | 33.3% |
| D09 | Albin Countergambit | 2 | 0/0/2 | 0.0% |
| C39 | King's Gambit | 2 | 1/0/1 | 50.0% |
| B07 | Pirc Defense | 2 | 1/1/0 | 50.0% |
| B01 | Scandinavian Defense: Modern Variation | 2 | 0/1/1 | 0.0% |
| B21 | Sicilian | 2 | 0/1/1 | 0.0% |
| C77 | Ruy Lopez: Morphy Defense | 1 | 0/0/1 | 0.0% |
| B06 | Caro-Kann | 1 | 0/0/1 | 0.0% |
| D85 | Indian Defense | 1 | 0/0/1 | 0.0% |
| B30 | Sicilian: Rossolimo | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C31 | King's Gambit | 3 | 2/0/1 | 66.7% |
| A86 | Dutch Defense | 2 | 0/0/2 | 0.0% |
| C42 | Petrov's Defense | 2 | 1/1/0 | 50.0% |
| C55 | Four Knights Game: Italian Variation | 1 | 1/0/0 | 100.0% |
| D05 | Indian Defense | 1 | 0/0/1 | 0.0% |
| C63 | Ruy Lopez: Schliemann | 1 | 0/0/1 | 0.0% |
| C45 | Scotch Game | 1 | 0/1/0 | 0.0% |
| D09 | Albin Countergambit | 1 | 0/1/0 | 0.0% |
| B40 | Sicilian | 1 | 0/1/0 | 0.0% |
| A21 | English Opening: Dutch Defense | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 2002 | Peter Hulshof | 2,223 | Groningen Harmonie Open A | C55 |
| Jan 2000 | Geert Roelof Van der Ploeg | 2,205 | Groningen SO ON Open A | C31 |
| Aug 2010 | Laura Boulan | 2,022 | Groningen Atlantis B | B07 |
| Sep 2002 | Gonzalo Tangarife Ramirez | 1,966 | Staunton CC King´s Gambit theme-B | C39 |
| Jan 2002 | Marc Gruenhagen | 1,928 | Groningen Harmonie Open A | A03 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Groningen Atlantis B | 2010 | 9 | 2 | 1,874 |
| Groningen Harmonie Open A | 2003 | 8 | 4 | 2,192 |
| Groningen Open B | 2008 | 5 | 2 | 1,755 |
| Staunton CC Albin Theme Open | 2001 | 3 | 0.5 | – |
| Staunton CC King´s Gambit theme-B | 2002 | 3 | 1 | 1,823 |
| Groningen SO ON Open A | 2000 | 2 | 1 | 2,258 |
| 6th Leiden LCT Open A | 2012 | 1 | 0 | 1,700 |
| Gasunie Open A | 1979 | 1 | 0.5 | – |
Interactive opening tree from all 33 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Conrad Mostertman's chess games?
33 games by Conrad Mostertman, 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 Conrad Mostertman has played.
What does Conrad Mostertman play on the first move as White?
Across 18 games with White in our database, Conrad Mostertman opens with 1.e4 (67% of games), 1.f4 (17% of games), 1.d4 (17% of games). Against 1.e4 as Black, Conrad Mostertman answers 1...e5 (90% of games), 1...c5 (10% of games). Against 1.d4: 1...Nf6 (33% of games), 1...f5 (33% of games), 1...d5 (33% of games).
What openings does Conrad Mostertman play as White?
As White, Conrad Mostertman's most-played openings in our database are: Bird's opening (3 games, 33.3% win rate); Albin Countergambit (2 games, 0.0% win rate); King's Gambit (2 games, 50.0% win rate). The full breakdown of 18 games with White is in the table above.
What openings does Conrad Mostertman play as Black?
As Black, Conrad Mostertman most often plays: King's Gambit (3 games, 66.7% win rate); Dutch Defense (2 games, 0.0% win rate); Petrov's Defense (2 games, 50.0% win rate). See the table above for the top ten Black openings across 15 games.
What is Conrad Mostertman's FIDE rating?
Conrad Mostertman is currently rated 1,946 in classical chess. Peak classical rating: 2,103 (Jan 2007).
How many games has Conrad Mostertman played?
Our database contains 33 games by Conrad Mostertman, covering Apr 2003 to Jul 2026. Overall record: 7 wins, 8 draws, 18 losses (21.2% win rate).
How do I prepare against Conrad Mostertman?
33 games by Conrad Mostertman 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.