Prepare against Bas Kommer
NLD · World #20,005 classical · FIDE ID 1014200
Our database contains 115 games by Bas Kommer, covering Oct 2004 to Aug 2026. Below you'll find Bas Kommer's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Bas Kommer 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 | 2,057 | 2,172 | Apr 2006 |
| Blitz | 1,957 | 2,127 | Sep 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 115 | 43 | 33 | 39 | 37.4% |
| As White | 57 | 21 | 18 | 18 | 36.8% |
| As Black | 58 | 22 | 15 | 21 | 37.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Bas Kommer's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Bas Kommer's side.
First moves as White (57 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 36 | 63.2% | 48.6% |
| e4 | 19 | 33.3% | 65.8% |
| c4 | 2 | 3.5% | 0.0% |
Main lines as White
- 1.d4 — 63% of White games, 48.6% score
- …Nf6 (50% of these games) — Kommer usually continues Nf3 (45.5% score)
- …d5 (28% of these games) — Kommer usually continues Nf3 (44.4% score)
- …d6 (8% of these games) — Kommer usually continues Nf3 (75.0% score)
- 1.e4 — 33% of White games, 65.8% score
- …c5 (42% of these games) — Kommer usually continues Nf3 (56.3% score)
- …e5 (26% of these games) — Kommer usually continues Nf3 (80.0% score)
- …g6 (5% of these games) — Kommer usually continues d4 (100.0% score)
As Black against 1.e4 (39 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 25 | 64.1% | 56.0% |
| d5 | 9 | 23.1% | 66.7% |
| e6 | 3 | 7.7% | 83.3% |
| c6 | 1 | 2.6% | 100.0% |
| g6 | 1 | 2.6% | 0.0% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 5 | 50.0% | 30.0% |
| Nf6 | 4 | 40.0% | 25.0% |
| e6 | 1 | 10.0% | 100.0% |
Bas Kommer's chess games
All 115 games by Bas Kommer in the Chess.ceo database (Oct 2004 - Aug 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: 43 wins, 33 draws, 39 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D03 | Torre Attack | 12 | 2/5/5 | 16.7% |
| A48 | Indian Defense | 6 | 2/1/3 | 33.3% |
| D02 | Queen's Pawn Game | 4 | 2/2/0 | 50.0% |
| A81 | Dutch Defense | 3 | 1/2/0 | 33.3% |
| A62 | Catalan | 2 | 1/1/0 | 50.0% |
| A41 | Rat Defense | 2 | 1/1/0 | 50.0% |
| B40 | Sicilian | 2 | 1/0/1 | 50.0% |
| C55 | Italian Game | 2 | 1/1/0 | 50.0% |
| A44 | Benoni Defense | 2 | 0/1/1 | 0.0% |
| B06 | Modern Defense | 2 | 2/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B70 | Sicilian: Dragon | 13 | 5/3/5 | 38.5% |
| B01 | Scandinavian Defense: Main Line | 8 | 4/2/2 | 50.0% |
| B50 | Sicilian | 3 | 2/1/0 | 66.7% |
| D15 | Slav Defense | 3 | 1/0/2 | 33.3% |
| B22 | Sicilian: Alapin | 3 | 1/2/0 | 33.3% |
| B52 | Sicilian: Moscow Variation | 3 | 1/1/1 | 33.3% |
| B25 | Sicilian: Closed | 2 | 1/0/1 | 50.0% |
| A58 | Benoni Defense | 2 | 0/0/2 | 0.0% |
| D00 | Queen's Pawn Game | 2 | 0/1/1 | 0.0% |
| A16 | English Opening | 2 | 1/1/0 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2025 | Arthur De Winter | 2,448 | 24th OGD Rapid | B06 |
| Jan 2001 | Sjoerd Plukkel | 2,170 | ch-NED U20 | B06 |
| Aug 2003 | Jordy Lahaye | 2,083 | 7th Vlissingen HZ Open | D52 |
| Jul 2026 | Gonzalo Tangarife Ramirez | 1,955 | Dutch Open 2026 - Reserve A | E00 |
| Jul 2026 | Rien Seip | 1,932 | Dutch Open 2026 - Reserve A | D47 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-NED U20 | 2001 | 27 | 9.5 | 2,125 |
| Hengelo U16 Open | 1998 | 14 | 7.5 | – |
| Hengelo U14 Open | 1996 | 9 | 6.5 | – |
| ch-NED U18 | 1995 | 9 | 5.5 | – |
| NED U20 Open | 1999 | 9 | 5 | 2,360 |
| ch-NED U15 | 1996 | 9 | 4 | – |
| Dutch Open 2026 - Reserve A | 2026 | 9 | 5.5 | 2,030 |
| ch-NED U12 | 1994 | 7 | 4.5 | – |
Interactive opening tree from all 115 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Bas Kommer's chess games?
115 games by Bas Kommer, from Oct 2004 to Aug 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 Bas Kommer has played.
What does Bas Kommer play on the first move as White?
Across 57 games with White in our database, Bas Kommer opens with 1.d4 (63% of games), 1.e4 (33% of games), 1.c4 (4% of games). Against 1.e4 as Black, Bas Kommer answers 1...c5 (64% of games), 1...d5 (23% of games), 1...e6 (8% of games). Against 1.d4: 1...d5 (50% of games), 1...Nf6 (40% of games), 1...e6 (10% of games).
What openings does Bas Kommer play as White?
As White, Bas Kommer's most-played openings in our database are: Torre Attack (12 games, 16.7% win rate); Indian Defense (6 games, 33.3% win rate); Queen's Pawn Game (4 games, 50.0% win rate). The full breakdown of 57 games with White is in the table above.
What openings does Bas Kommer play as Black?
As Black, Bas Kommer most often plays: Sicilian: Dragon (13 games, 38.5% win rate); Scandinavian Defense: Main Line (8 games, 50.0% win rate); Sicilian (3 games, 66.7% win rate). See the table above for the top ten Black openings across 58 games.
What is Bas Kommer's FIDE rating?
Bas Kommer is currently rated 2,057 in classical chess and 1,957 in blitz. Peak classical rating: 2,172 (Apr 2006).
How many games has Bas Kommer played?
Our database contains 115 games by Bas Kommer, covering Oct 2004 to Aug 2026. Overall record: 43 wins, 33 draws, 39 losses (37.4% win rate).
How do I prepare against Bas Kommer?
115 games by Bas Kommer 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.