Prepare against Johan Mostertman
NLD · World #94,987 classical · FIDE ID 1029185
When preparing against Johan Mostertman, expect 1.e4 in 79% of White games. Against 1.e4 the reply is 1...c5 (50% of games); against 1.d4, 1...Nf6 (60%).
Our database contains 33 games by Johan Mostertman, covering Oct 2008 to Jul 2026. Below you'll find Johan Mostertman's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Johan 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 | 1,744 | 1,889 | Aug 2016 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 33 | 12 | 3 | 18 | 36.4% |
| As White | 19 | 9 | 2 | 8 | 47.4% |
| As Black | 14 | 3 | 1 | 10 | 21.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Johan Mostertman's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Johan Mostertman's side.
First moves as White (19 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 15 | 78.9% | 66.7% |
| d4 | 3 | 15.8% | 0.0% |
| Nf3 | 1 | 5.3% | 0.0% |
Main lines as White
- 1.e4 — 79% of White games, 66.7% score
- …e5 (33% of these games) — Mostertman usually continues Nf3 (50.0% score)
- …c5 (33% of these games) — Mostertman usually continues a3 (25.0% score)
- …d6 (13% of these games) — Mostertman usually continues Bc4 (100.0% score)
- 1.d4 — 16% of White games, 0.0% score
- …Nf6 (100% of these games) — Mostertman usually continues Bg5 (0.0% score)
As Black against 1.e4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 4 | 50.0% | 0.0% |
| d5 | 2 | 25.0% | 50.0% |
| d6 | 1 | 12.5% | 0.0% |
| a6 | 1 | 12.5% | 100.0% |
As Black against 1.d4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 3 | 60.0% | 33.3% |
| e5 | 1 | 20.0% | 0.0% |
| d5 | 1 | 20.0% | 50.0% |
Johan Mostertman's chess games
All 33 games by Johan Mostertman in the Chess.ceo database (Oct 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: 12 wins, 3 draws, 18 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B20 | Sicilian | 2 | 0/1/1 | 0.0% |
| C77 | Ruy Lopez: Morphy Defense | 2 | 1/0/1 | 50.0% |
| A46 | Trompowsky Attack | 2 | 0/0/2 | 0.0% |
| C01 | French: Exchange Variation | 1 | 0/1/0 | 0.0% |
| D92 | Grünfeld Defense | 1 | 0/0/1 | 0.0% |
| C30 | King's Gambit | 1 | 1/0/0 | 100.0% |
| E87 | King's Indian: Sämisch | 1 | 1/0/0 | 100.0% |
| B07 | Pirc Defense | 1 | 1/0/0 | 100.0% |
| B02 | Alekhine Defense | 1 | 1/0/0 | 100.0% |
| C60 | Ruy Lopez: Fianchetto | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Modern Variation | 2 | 1/0/1 | 50.0% |
| B22 | Sicilian | 2 | 0/0/2 | 0.0% |
| A40 | Englund Gambit | 1 | 0/0/1 | 0.0% |
| B07 | Pirc Defense | 1 | 0/0/1 | 0.0% |
| D00 | Queen's Pawn Game: Chigorin Variation | 1 | 0/1/0 | 0.0% |
| D01 | Richter-Veresov Attack | 1 | 0/0/1 | 0.0% |
| B23 | Sicilian: Closed | 1 | 0/0/1 | 0.0% |
| B33 | Sicilian: Sveshnikov | 1 | 0/0/1 | 0.0% |
| C01 | St. George Defense | 1 | 1/0/0 | 100.0% |
| A59 | Benoni Defense | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2007 | Jan Joris Groenewold | 2,110 | Groningen Harmonie Open B | B02 |
| Jan 2002 | Ton Palmans | 2,082 | Groningen Harmonie Open A | C77 |
| Jan 2002 | Nicole Tagnon | 2,064 | Groningen Harmonie Open A | B47 |
| Dec 2007 | Maarten Dijkstra | 1,861 | Groningen Harmonie Open B | A45 |
| Dec 2007 | Paul Den Boer | 1,759 | Groningen Harmonie Open B | C30 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Groningen Harmonie Open B | 2007 | 8 | 5.5 | 2,119 |
| Groningen Open B | 2008 | 5 | 2.5 | 2,052 |
| Oberliga Nord W 1213 | 2012 | 4 | 0.5 | 1,760 |
| Groningen SO ON Mini Open | 2001 | 3 | 2 | 1,833 |
| 21st Vlissingen HZ Open | 2017 | 2 | 0 | 1,835 |
| Groningen Combinatie Open | 2017 | 2 | 0 | 1,893 |
| Groningen Harmonie Open A | 2002 | 2 | 2 | 2,473 |
| 19th Vlissingen HZ Open | 2015 | 1 | 0 | 1,967 |
Interactive opening tree from all 33 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Johan Mostertman's chess games?
33 games by Johan Mostertman, from Oct 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 Johan Mostertman has played.
What does Johan Mostertman play on the first move as White?
Across 19 games with White in our database, Johan Mostertman opens with 1.e4 (79% of games), 1.d4 (16% of games), 1.Nf3 (5% of games). Against 1.e4 as Black, Johan Mostertman answers 1...c5 (50% of games), 1...d5 (25% of games), 1...d6 (13% of games). Against 1.d4: 1...Nf6 (60% of games), 1...e5 (20% of games), 1...d5 (20% of games).
What openings does Johan Mostertman play as White?
As White, Johan Mostertman's most-played openings in our database are: Sicilian (2 games, 0.0% win rate); Ruy Lopez: Morphy Defense (2 games, 50.0% win rate); Trompowsky Attack (2 games, 0.0% win rate). The full breakdown of 19 games with White is in the table above.
What openings does Johan Mostertman play as Black?
As Black, Johan Mostertman most often plays: Scandinavian Defense: Modern Variation (2 games, 50.0% win rate); Sicilian (2 games, 0.0% win rate); Englund Gambit (1 games, 0.0% win rate). See the table above for the top ten Black openings across 14 games.
What is Johan Mostertman's FIDE rating?
Johan Mostertman is currently rated 1,744 in classical chess. Peak classical rating: 1,889 (Aug 2016).
How many games has Johan Mostertman played?
Our database contains 33 games by Johan Mostertman, covering Oct 2008 to Jul 2026. Overall record: 12 wins, 3 draws, 18 losses (36.4% win rate).
How do I prepare against Johan Mostertman?
33 games by Johan 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.