Prepare against Lothar Mertens
DEU · World #127,459 classical · FIDE ID 12981877
When preparing against Lothar Mertens, expect 1.e4 in 100% of White games. Against 1.e4 the reply is 1...c5 (82% of games); against 1.d4, 1...d5 (100%).
Our database contains 65 games by Lothar Mertens, covering Apr 2014 to Aug 2026. Below you'll find Lothar Mertens's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Lothar Mertens 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 | 1,653 | 1,749 | Oct 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 65 | 15 | 20 | 30 | 23.1% |
| As White | 33 | 7 | 8 | 18 | 21.2% |
| As Black | 32 | 8 | 12 | 12 | 25.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Lothar Mertens's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Lothar Mertens's side.
First moves as White (33 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 33 | 100.0% | 33.3% |
Main lines as White
- 1.e4 — 100% of White games, 33.3% score
- …c5 (36% of these games) — Mertens usually continues Nf3 (20.8% score)
- …e5 (21% of these games) — Mertens usually continues Nc3 (50.0% score)
- …e6 (15% of these games) — Mertens usually continues d4 (0.0% score)
As Black against 1.e4 (17 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 14 | 82.4% | 46.4% |
| e6 | 3 | 17.6% | 33.3% |
As Black against 1.d4 (12 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 12 | 100.0% | 50.0% |
Lothar Mertens's chess games
All 65 games by Lothar Mertens in the Chess.ceo database (Apr 2014 - 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: 15 wins, 20 draws, 30 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 7 | 1/0/6 | 14.3% |
| C29 | Vienna Game | 5 | 2/0/3 | 40.0% |
| B01 | Scandinavian Defense: Main Line | 4 | 1/3/0 | 25.0% |
| C01 | French: Exchange Variation | 3 | 0/0/3 | 0.0% |
| B90 | Sicilian: Najdorf | 2 | 1/1/0 | 50.0% |
| B16 | Caro-Kann: Main Line | 2 | 0/2/0 | 0.0% |
| C55 | Bishop's Opening | 1 | 0/1/0 | 0.0% |
| B34 | Sicilian: Accelerated Dragon | 1 | 0/0/1 | 0.0% |
| B33 | Sicilian: Sveshnikov | 1 | 0/0/1 | 0.0% |
| B47 | Sicilian: Taimanov | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B22 | Sicilian | 7 | 2/2/3 | 28.6% |
| D02 | London System | 3 | 1/1/1 | 33.3% |
| D35 | Indian Defense | 2 | 1/1/0 | 50.0% |
| D03 | Torre Attack | 2 | 0/0/2 | 0.0% |
| C00 | French Defense | 2 | 0/1/1 | 0.0% |
| D43 | Queen's Gambit Declined | 2 | 1/1/0 | 50.0% |
| B21 | Sicilian: Smith-Morra Gambit | 2 | 0/0/2 | 0.0% |
| D15 | Slav Defense | 2 | 1/1/0 | 50.0% |
| E01 | Semi-Slav Defense | 1 | 0/0/1 | 0.0% |
| C10 | Dunst Opening | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Mar 2015 | Peter Naumann | 1,842 | 22nd Leipzig VfB Open | D31 |
| Jul 2017 | Nico Schreiber | 1,826 | 16th Rostock SSC Open | D02 |
| Jul 2018 | Alaa Nour | 1,814 | 17th Rostock SSC Open | B33 |
| Mar 2016 | Heiko Vorreiter | 1,759 | 23rd Leipzig VfB Open | B51 |
| Jul 2016 | Andreas Seichter | 1,756 | 15th Rostock SSC 07 Open | C50 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 23rd Leipzig VfB Open | 2016 | 9 | 3.5 | 1,663 |
| 22nd Leipzig VfB Open | 2015 | 9 | 3.5 | 1,671 |
| 21st Leipzig VfB Open | 2014 | 9 | 3 | 1,707 |
| 15th Rostock SSC 07 Open | 2016 | 7 | 3 | 1,632 |
| Blankenburg Open B 19th | 2014 | 7 | 4 | 1,810 |
| 17th Rostock SSC Open | 2018 | 7 | 3 | 1,761 |
| 14th Rostock SSC Open | 2015 | 7 | 3 | 1,528 |
| 16th Rostock SSC Open | 2017 | 7 | 2 | 1,588 |
Interactive opening tree from all 65 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Lothar Mertens's chess games?
65 games by Lothar Mertens, from Apr 2014 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 Lothar Mertens has played.
What does Lothar Mertens play on the first move as White?
Across 33 games with White in our database, Lothar Mertens opens with 1.e4 (100% of games). Against 1.e4 as Black, Lothar Mertens answers 1...c5 (82% of games), 1...e6 (18% of games). Against 1.d4: 1...d5 (100% of games).
What openings does Lothar Mertens play as White?
As White, Lothar Mertens's most-played openings in our database are: Sicilian (7 games, 14.3% win rate); Vienna Game (5 games, 40.0% win rate); Scandinavian Defense: Main Line (4 games, 25.0% win rate). The full breakdown of 33 games with White is in the table above.
What openings does Lothar Mertens play as Black?
As Black, Lothar Mertens most often plays: Sicilian (7 games, 28.6% win rate); London System (3 games, 33.3% win rate); Indian Defense (2 games, 50.0% win rate). See the table above for the top ten Black openings across 32 games.
What is Lothar Mertens's FIDE rating?
Lothar Mertens is currently rated 1,653 in classical chess. Peak classical rating: 1,749 (Oct 2024).
How many games has Lothar Mertens played?
Our database contains 65 games by Lothar Mertens, covering Apr 2014 to Aug 2026. Overall record: 15 wins, 20 draws, 30 losses (23.1% win rate).
How do I prepare against Lothar Mertens?
65 games by Lothar Mertens 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.