Prepare against Jan Oluf Greiner
DEU · World #130,795 classical · FIDE ID 34632069
When preparing against Jan Oluf Greiner, expect 1.e4 in 50% of White games. Against 1.e4 the reply is 1...e5 (92% of games); against 1.d4, 1...d5 (100%).
Our database contains 33 games by Jan Oluf Greiner, covering Aug 2023 to Jul 2026. Below you'll find Jan Oluf Greiner's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Jan Oluf Greiner 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 | 1,645 | 1,655 | Jun 2025 |
| Blitz | 1,559 | 1,595 | May 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 33 | 8 | 4 | 21 | 24.2% |
| As White | 16 | 7 | 1 | 8 | 43.8% |
| As Black | 17 | 1 | 3 | 13 | 5.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Jan Oluf Greiner's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Jan Oluf Greiner's side.
First moves as White (16 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 8 | 50.0% | 12.5% |
| Nf3 | 4 | 25.0% | 75.0% |
| d4 | 3 | 18.8% | 83.3% |
| c4 | 1 | 6.3% | 100.0% |
Main lines as White
- 1.e4 — 50% of White games, 12.5% score
- …c5 (63% of these games) — Greiner usually continues Nf3 (25.0% score)
- …e5 (25% of these games) — Greiner usually continues Nf3 (0.0% score)
- …c6 (13% of these games) — Greiner usually continues Bc4 (0.0% score)
- 1.Nf3 — 25% of White games, 75.0% score
- …d5 (50% of these games) — Greiner usually continues e3 (100.0% score)
- …c6 (25% of these games) — Greiner usually continues d4 (100.0% score)
- …c5 (25% of these games) — Greiner usually continues e4 (100.0% score)
As Black against 1.e4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 12 | 92.3% | 8.3% |
| c5 | 1 | 7.7% | 50.0% |
As Black against 1.d4 (3 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 3 | 100.0% | 33.3% |
Jan Oluf Greiner's chess games
All 33 games by Jan Oluf Greiner in the Chess.ceo database (Aug 2023 - 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: 8 wins, 4 draws, 21 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A04 | Réti Opening | 3 | 3/0/0 | 100.0% |
| A34 | Sicilian | 3 | 0/0/3 | 0.0% |
| A43 | Benoni Defense | 2 | 1/1/0 | 50.0% |
| B30 | Sicilian: Rossolimo | 2 | 1/0/1 | 50.0% |
| C42 | Petrov's Defense | 1 | 0/0/1 | 0.0% |
| D20 | Queen's Gambit Accepted | 1 | 1/0/0 | 100.0% |
| D00 | Queen's Pawn Game | 1 | 0/0/1 | 0.0% |
| D31 | English Opening: Slav Setup | 1 | 1/0/0 | 100.0% |
| B10 | Caro-Kann | 1 | 0/0/1 | 0.0% |
| C50 | Italian Game | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C66 | Ruy Lopez: Berlin Defense | 3 | 0/1/2 | 0.0% |
| D06 | Indian Defense | 2 | 0/0/2 | 0.0% |
| C62 | Ruy Lopez | 2 | 0/1/1 | 0.0% |
| C53 | Italian Game: Classical Variation | 1 | 0/0/1 | 0.0% |
| C57 | Italian Game: Two Knights Defense | 1 | 0/0/1 | 0.0% |
| D00 | London System | 1 | 1/0/0 | 100.0% |
| A05 | Réti Opening | 1 | 0/0/1 | 0.0% |
| C45 | Scotch Game | 1 | 0/0/1 | 0.0% |
| B22 | Sicilian: Alapin | 1 | 0/1/0 | 0.0% |
| C28 | Bishop's Opening | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| May 2024 | David B Graham | 2,149 | 3rd Itzehoe Open | D00 |
| May 2024 | Thomas Nautsch | 1,800 | 3rd Itzehoe Open | B30 |
| May 2024 | Jamie Mares Jaehnert | 1,503 | ch-GER U25 Open B | D31 |
| Jul 2023 | Olaf Weimann | 1,336 | 24th Greifswald Ryck Open | A60 |
| Jul 2023 | Emma Stepanjan | 1,194 | 24th Greifswald Ryck Open | D20 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Itzehoe Open | 2025 | 12 | 3 | 1,528 |
| ch-GER U25 Open B | 2024 | 8 | 1.5 | 1,383 |
| 24th Greifswald Ryck Open | 2023 | 7 | 3 | 1,426 |
| 3rd Itzehoe Open | 2024 | 6 | 2.5 | 1,855 |
Interactive opening tree from all 33 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Jan Oluf Greiner's chess games?
33 games by Jan Oluf Greiner, from Aug 2023 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 Jan Oluf Greiner has played.
What does Jan Oluf Greiner play on the first move as White?
Across 16 games with White in our database, Jan Oluf Greiner opens with 1.e4 (50% of games), 1.Nf3 (25% of games), 1.d4 (19% of games). Against 1.e4 as Black, Jan Oluf Greiner answers 1...e5 (92% of games), 1...c5 (8% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Jan Oluf Greiner play as White?
As White, Jan Oluf Greiner's most-played openings in our database are: Réti Opening (3 games, 100.0% win rate); Sicilian (3 games, 0.0% win rate); Benoni Defense (2 games, 50.0% win rate). The full breakdown of 16 games with White is in the table above.
What openings does Jan Oluf Greiner play as Black?
As Black, Jan Oluf Greiner most often plays: Ruy Lopez: Berlin Defense (3 games, 0.0% win rate); Indian Defense (2 games, 0.0% win rate); Ruy Lopez (2 games, 0.0% win rate). See the table above for the top ten Black openings across 17 games.
What is Jan Oluf Greiner's FIDE rating?
Jan Oluf Greiner is currently rated 1,645 in classical chess and 1,559 in blitz. Peak classical rating: 1,655 (Jun 2025).
How many games has Jan Oluf Greiner played?
Our database contains 33 games by Jan Oluf Greiner, covering Aug 2023 to Jul 2026. Overall record: 8 wins, 4 draws, 21 losses (24.2% win rate).
How do I prepare against Jan Oluf Greiner?
33 games by Jan Oluf Greiner 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.