Prepare against Folkert-Jan Geertsma
NLD · World #34,730 classical · FIDE ID 1013947
When preparing against Folkert-Jan Geertsma, expect 1.c4 in 91% of White games. Against 1.e4 the reply is 1...d5 (93% of games); against 1.d4, 1...d5 (57%).
Our database contains 70 games by Folkert-Jan Geertsma, covering Apr 2015 to Jul 2026. Below you'll find Folkert-Jan Geertsma's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Folkert-Jan Geertsma 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 | 1,960 | 1,982 | Apr 2025 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 70 | 16 | 33 | 21 | 22.9% |
| As White | 34 | 8 | 16 | 10 | 23.5% |
| As Black | 36 | 8 | 17 | 11 | 22.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Folkert-Jan Geertsma's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Folkert-Jan Geertsma's side.
First moves as White (34 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 31 | 91.2% | 46.8% |
| b4 | 3 | 8.8% | 50.0% |
Main lines as White
- 1.c4 — 91% of White games, 46.8% score
- …e5 (23% of these games) — Geertsma usually continues Nc3 (42.9% score)
- …Nf6 (23% of these games) — Geertsma usually continues Nc3 (25.0% score)
- …c6 (16% of these games) — Geertsma usually continues d4 (40.0% score)
- 1.b4 — 9% of White games, 50.0% score
- …e5 (67% of these games) — Geertsma usually continues Bb2 (25.0% score)
- …d5 (33% of these games) — Geertsma usually continues Bb2 (100.0% score)
As Black against 1.e4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 13 | 92.9% | 34.6% |
| c6 | 1 | 7.1% | 100.0% |
As Black against 1.d4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 8 | 57.1% | 37.5% |
| c6 | 5 | 35.7% | 50.0% |
| b6 | 1 | 7.1% | 100.0% |
Folkert-Jan Geertsma's chess games
All 70 games by Folkert-Jan Geertsma in the Chess.ceo database (Apr 2015 - 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: 16 wins, 33 draws, 21 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A29 | English Opening: Reverse Sicilian | 9 | 1/5/3 | 11.1% |
| A24 | English Opening | 7 | 4/2/1 | 57.1% |
| D10 | Slav Defense | 5 | 0/4/1 | 0.0% |
| A10 | English Opening: Dutch Defense | 4 | 1/2/1 | 25.0% |
| A00 | Orangutan opening | 3 | 1/1/1 | 33.3% |
| E61 | Modern Defense | 2 | 1/1/0 | 50.0% |
| A54 | Indian Defense | 1 | 0/1/0 | 0.0% |
| A30 | English Opening: Symmetrical | 1 | 0/0/1 | 0.0% |
| A32 | Benoni Defense | 1 | 0/0/1 | 0.0% |
| D37 | Queen's Gambit Declined: Orthodox Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Main Line | 11 | 2/5/4 | 18.2% |
| D45 | Slav Defense | 7 | 0/5/2 | 0.0% |
| B19 | Caro-Kann: Classical | 3 | 1/0/2 | 33.3% |
| A12 | Réti Opening | 3 | 0/2/1 | 0.0% |
| D61 | Semi-Slav Defense | 3 | 0/3/0 | 0.0% |
| A10 | English Opening | 1 | 1/0/0 | 100.0% |
| A22 | English Opening: Reverse Sicilian | 1 | 1/0/0 | 100.0% |
| D27 | English Opening: Slav Setup | 1 | 0/0/1 | 0.0% |
| A07 | Hungarian Opening | 1 | 1/0/0 | 100.0% |
| D02 | Queen's Pawn Game | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 1986 | Yge Visser | 2,290 | ch-NED 42 sf A | B19 |
| Jun 2013 | Jonathan Faydi | 2,138 | ch-Leiden SB | B01 |
| Apr 2019 | Reinier Feiner | 2,043 | ch-Leiden SB 1819 | E64 |
| Jun 2011 | Jan Postma | 1,742 | ch-Leiden SB | D35 |
| Jul 2010 | Jessica Groenewolt | 1,701 | 33rd Ghent Taminco Open | A00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Leiden SB | 2013 | 48 | 24 | 1,904 |
| ch-NED 42 sf A | 1986 | 7 | 3 | 2,282 |
| ch-Leiden SB 1819 | 2019 | 5 | 2.5 | 1,859 |
| ch-Leiden SB A | 2015 | 4 | 1.5 | 1,899 |
| 31st Ghent Taminco Open | 2008 | 3 | 0.5 | 1,945 |
| 33rd Ghent Taminco Open | 2010 | 1 | 1 | 2,101 |
| chT-NED 1314 | 2014 | 1 | 0 | 1,744 |
| 35th Ghent Taminco Open | 2012 | 1 | 0 | 1,879 |
Interactive opening tree from all 70 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Folkert-Jan Geertsma's chess games?
70 games by Folkert-Jan Geertsma, from Apr 2015 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 Folkert-Jan Geertsma has played.
What does Folkert-Jan Geertsma play on the first move as White?
Across 34 games with White in our database, Folkert-Jan Geertsma opens with 1.c4 (91% of games), 1.b4 (9% of games). Against 1.e4 as Black, Folkert-Jan Geertsma answers 1...d5 (93% of games), 1...c6 (7% of games). Against 1.d4: 1...d5 (57% of games), 1...c6 (36% of games), 1...b6 (7% of games).
What openings does Folkert-Jan Geertsma play as White?
As White, Folkert-Jan Geertsma's most-played openings in our database are: English Opening: Reverse Sicilian (9 games, 11.1% win rate); English Opening (7 games, 57.1% win rate); Slav Defense (5 games, 0.0% win rate). The full breakdown of 34 games with White is in the table above.
What openings does Folkert-Jan Geertsma play as Black?
As Black, Folkert-Jan Geertsma most often plays: Scandinavian Defense: Main Line (11 games, 18.2% win rate); Slav Defense (7 games, 0.0% win rate); Caro-Kann: Classical (3 games, 33.3% win rate). See the table above for the top ten Black openings across 36 games.
What is Folkert-Jan Geertsma's FIDE rating?
Folkert-Jan Geertsma is currently rated 1,960 in classical chess. Peak classical rating: 1,982 (Apr 2025).
How many games has Folkert-Jan Geertsma played?
Our database contains 70 games by Folkert-Jan Geertsma, covering Apr 2015 to Jul 2026. Overall record: 16 wins, 33 draws, 21 losses (22.9% win rate).
How do I prepare against Folkert-Jan Geertsma?
70 games by Folkert-Jan Geertsma 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.