Prepare against Mario Thomas
DEU · World #24,995 classical · FIDE ID 24691755
When preparing against Mario Thomas, expect 1.e4 in 97% of White games. Against 1.e4 the reply is 1...d5 (86% of games); against 1.d4, 1...Nf6 (62%).
Our database contains 54 games by Mario Thomas, covering Dec 2014 to Oct 2026. Below you'll find Mario Thomas's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Mario Thomas 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 | 2,019 | 2,059 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 54 | 17 | 12 | 25 | 31.5% |
| As White | 30 | 7 | 8 | 15 | 23.3% |
| As Black | 24 | 10 | 4 | 10 | 41.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Mario Thomas's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Mario Thomas's side.
First moves as White (30 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 29 | 96.7% | 37.9% |
| Nf3 | 1 | 3.3% | 0.0% |
Main lines as White
- 1.e4 — 97% of White games, 37.9% score
- …c5 (34% of these games) — Thomas usually continues Nf3 (38.9% score)
- …e6 (24% of these games) — Thomas usually continues d4 (50.0% score)
- …e5 (14% of these games) — Thomas usually continues Nf3 (62.5% score)
- 1.Nf3 — 3% of White games, 0.0% score
- …b6 (100% of these games) — Thomas usually continues g3 (0.0% score)
As Black against 1.e4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 6 | 85.7% | 58.3% |
| e5 | 1 | 14.3% | 0.0% |
As Black against 1.d4 (13 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 8 | 61.5% | 50.0% |
| d5 | 4 | 30.8% | 50.0% |
| c5 | 1 | 7.7% | 100.0% |
Mario Thomas's chess games
All 54 games by Mario Thomas in the Chess.ceo database (Dec 2014 - Oct 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: 17 wins, 12 draws, 25 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A08 | Sicilian | 8 | 2/3/3 | 25.0% |
| C00 | French Defense | 3 | 0/1/2 | 0.0% |
| C11 | French: Classical Variation | 2 | 1/1/0 | 50.0% |
| B10 | Caro-Kann | 2 | 0/0/2 | 0.0% |
| A04 | Modern Defense | 2 | 1/0/1 | 50.0% |
| C45 | Italian Game | 2 | 2/0/0 | 100.0% |
| B07 | Pirc Defense | 1 | 0/1/0 | 0.0% |
| A08 | Réti Opening | 1 | 0/0/1 | 0.0% |
| B01 | Scandinavian Defense: Main Line | 1 | 0/0/1 | 0.0% |
| B21 | Sicilian: Grand Prix Attack | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B01 | Scandinavian Defense: Modern Variation | 6 | 3/1/2 | 50.0% |
| D85 | Grünfeld Defense | 4 | 2/0/2 | 50.0% |
| A45 | Queen's Pawn Game | 3 | 1/1/1 | 33.3% |
| A09 | English Opening | 2 | 1/0/1 | 50.0% |
| D02 | London System | 1 | 1/0/0 | 100.0% |
| A36 | Modern Defense | 1 | 0/1/0 | 0.0% |
| A00 | Orangutan opening | 1 | 0/0/1 | 0.0% |
| C70 | Ruy Lopez: Morphy Defense | 1 | 0/0/1 | 0.0% |
| A43 | Benoni Defense | 1 | 1/0/0 | 100.0% |
| D10 | Slav Defense | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 1997 | Guenther Koksch | 2,011 | chT-Bahn | A43 |
| Sep 2004 | Franz Sowa | 1,849 | ch-Bahn Vormeister | C45 |
| Sep 2000 | Lothar Welsch | 1,844 | chV-Bahn | B30 |
| Oct 1999 | Guenter Antritter | 1,829 | chT-Bahn | A08 |
| Sep 2002 | Falk Berger | 1,720 | ch-Bahn Vormeister | C11 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| chT-Bahn | 1999 | 17 | 7 | 1,771 |
| chV-Bahn | 2000 | 13 | 5.5 | 1,774 |
| chH-Bahn | 1996 | 7 | 4.5 | 1,814 |
| ch-Bahn Vormeister | 2004 | 7 | 3.5 | 1,801 |
| 1st Karl Mala Memorial Open | 1997 | 6 | 2 | 2,071 |
| 17th chT-GER Betriebe | 2017 | 4 | 0.5 | 1,771 |
Interactive opening tree from all 54 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mario Thomas's chess games?
54 games by Mario Thomas, from Dec 2014 to Oct 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 Mario Thomas has played.
What does Mario Thomas play on the first move as White?
Across 30 games with White in our database, Mario Thomas opens with 1.e4 (97% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Mario Thomas answers 1...d5 (86% of games), 1...e5 (14% of games). Against 1.d4: 1...Nf6 (62% of games), 1...d5 (31% of games), 1...c5 (8% of games).
What openings does Mario Thomas play as White?
As White, Mario Thomas's most-played openings in our database are: Sicilian (8 games, 25.0% win rate); French Defense (3 games, 0.0% win rate); French: Classical Variation (2 games, 50.0% win rate). The full breakdown of 30 games with White is in the table above.
What openings does Mario Thomas play as Black?
As Black, Mario Thomas most often plays: Scandinavian Defense: Modern Variation (6 games, 50.0% win rate); Grünfeld Defense (4 games, 50.0% win rate); Queen's Pawn Game (3 games, 33.3% win rate). See the table above for the top ten Black openings across 24 games.
What is Mario Thomas's FIDE rating?
Mario Thomas is currently rated 2,019 in classical chess. Peak classical rating: 2,059 (Sep 2026).
How many games has Mario Thomas played?
Our database contains 54 games by Mario Thomas, covering Dec 2014 to Oct 2026. Overall record: 17 wins, 12 draws, 25 losses (31.5% win rate).
How do I prepare against Mario Thomas?
54 games by Mario Thomas 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.