Prepare against Leon Mazi
IM · SVN · World #4,072 classical · FIDE ID 14600315
Our database contains 1,789 games by Leon Mazi, covering Apr 2003 to Aug 2026. Below you'll find Leon Mazi's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Leon Mazi 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 | 2,301 | 2,424 | Oct 2015 |
| Rapid | 2,262 | 2,395 | Sep 2019 |
| Blitz | 2,196 | 2,405 | Aug 2015 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 1,789 | 818 | 444 | 527 | 45.7% |
| As White | 905 | 448 | 217 | 240 | 49.5% |
| As Black | 884 | 370 | 227 | 287 | 41.9% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Leon Mazi's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Leon Mazi's side.
First moves as White (905 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 865 | 95.6% | 61.8% |
| c4 | 15 | 1.7% | 63.3% |
| Nf3 | 14 | 1.5% | 46.4% |
| g3 | 6 | 0.7% | 33.3% |
| d4 | 4 | 0.4% | 62.5% |
| b3 | 1 | 0.1% | 100.0% |
Main lines as White
- 1.e4 — 96% of White games, 61.8% score
- …c5 (45% of these games) — Mazi usually continues Nf3 (57.3% score)
- …e5 (20% of these games) — Mazi usually continues Nf3 (59.7% score)
- …e6 (11% of these games) — Mazi usually continues d4 (60.2% score)
- 1.c4 — 2% of White games, 63.3% score
- …Nf6 (47% of these games) — Mazi usually continues g3 (83.3% score)
- …c5 (27% of these games) — Mazi usually continues Nc3 (66.7% score)
- …e6 (13% of these games) — Mazi usually continues g3 (0.0% score)
As Black against 1.e4 (411 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 264 | 64.2% | 57.8% |
| e5 | 74 | 18.0% | 38.5% |
| Nf6 | 58 | 14.1% | 72.4% |
| e6 | 11 | 2.7% | 50.0% |
| d5 | 2 | 0.5% | 0.0% |
| c6 | 1 | 0.2% | 0.0% |
As Black against 1.d4 (317 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 201 | 63.4% | 58.2% |
| d5 | 88 | 27.8% | 40.3% |
| d6 | 11 | 3.5% | 27.3% |
| f5 | 10 | 3.2% | 55.0% |
| e6 | 6 | 1.9% | 41.7% |
| g6 | 1 | 0.3% | 50.0% |
Leon Mazi's chess games
All 1,789 games by Leon Mazi in the Chess.ceo database (Apr 2003 - 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: 818 wins, 444 draws, 527 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B53 | Sicilian | 188 | 90/37/61 | 47.9% |
| B95 | Sicilian: Najdorf | 52 | 23/11/18 | 44.2% |
| C00 | King's Indian Attack | 33 | 18/11/4 | 54.5% |
| C92 | Ruy Lopez: Closed | 28 | 7/11/10 | 25.0% |
| B10 | Caro-Kann | 27 | 17/6/4 | 63.0% |
| C68 | Ruy Lopez: Exchange | 25 | 15/3/7 | 60.0% |
| C77 | Ruy Lopez: Morphy Defense | 24 | 13/7/4 | 54.2% |
| B47 | Sicilian: Taimanov | 24 | 7/3/14 | 29.2% |
| C07 | French: Tarrasch Variation | 23 | 10/6/7 | 43.5% |
| B07 | Pirc Defense | 23 | 17/4/2 | 73.9% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B90 | Sicilian: Najdorf | 120 | 53/22/45 | 44.2% |
| A54 | Indian Defense | 98 | 50/28/20 | 51.0% |
| B03 | Alekhine Defense | 58 | 36/12/10 | 62.1% |
| B50 | Sicilian | 53 | 29/9/15 | 54.7% |
| D27 | Queen's Gambit Accepted | 52 | 11/15/26 | 21.2% |
| A30 | English Opening | 44 | 20/13/11 | 45.5% |
| E94 | King's Indian Defense: Orthodox Variation | 38 | 14/14/10 | 36.8% |
| C95 | Ruy Lopez: Closed | 34 | 10/7/17 | 29.4% |
| B23 | Sicilian: Closed | 28 | 14/4/10 | 50.0% |
| B22 | Sicilian: Alapin | 27 | 15/7/5 | 55.6% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2013 | Alexander G Beliavsky | 2,637 | 23rd ch-SLO | A81 |
| Mar 2021 | Manuel Petrosyan | 2,628 | Titled Arena Mar 6th | A01 |
| Jan 2021 | Aleksandr Lenderman | 2,624 | Charlotte CCCSA Open | A01 |
| Dec 2023 | Eltaj Safarli | 2,609 | ch-EU Rapid | B45 |
| Feb 2015 | Nikita Maiorov | 2,596 | 20th Nova Gorica Open A | D26 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2024 | 235 | 116.5 | 2,268 |
| ch-SLO | 2012 | 58 | 34.5 | 2,394 |
| Finkenstein Open | 1997 | 35 | 28 | 2,416 |
| Ptuj Open | 2014 | 27 | 19.5 | 2,292 |
| chT-SLO | 2016 | 25 | 10.5 | 2,334 |
| Titled Arena Mar 6th | 2021 | 18 | 7 | 2,193 |
| ch-SLO qual | 2012 | 17 | 12.5 | 2,361 |
| Ljubljana Open | 2025 | 14 | 8 | 2,241 |
Frequent opponents
Head-to-head records: Niko Praznik (14 games) · Marko Tratar (14 games) · Igor Jelen (13 games)
Interactive opening tree from all 1,789 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Leon Mazi's chess games?
1,789 games by Leon Mazi, from Apr 2003 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 Leon Mazi has played.
What does Leon Mazi play on the first move as White?
Across 905 games with White in our database, Leon Mazi opens with 1.e4 (96% of games), 1.c4 (2% of games), 1.Nf3 (2% of games). Against 1.e4 as Black, Leon Mazi answers 1...c5 (64% of games), 1...e5 (18% of games), 1...Nf6 (14% of games). Against 1.d4: 1...Nf6 (63% of games), 1...d5 (28% of games), 1...d6 (3% of games).
What openings does Leon Mazi play as White?
As White, Leon Mazi's most-played openings in our database are: Sicilian (188 games, 47.9% win rate); Sicilian: Najdorf (52 games, 44.2% win rate); King's Indian Attack (33 games, 54.5% win rate). The full breakdown of 905 games with White is in the table above.
What openings does Leon Mazi play as Black?
As Black, Leon Mazi most often plays: Sicilian: Najdorf (120 games, 44.2% win rate); Indian Defense (98 games, 51.0% win rate); Alekhine Defense (58 games, 62.1% win rate). See the table above for the top ten Black openings across 884 games.
What is Leon Mazi's FIDE rating?
Leon Mazi is currently rated 2,301 in classical chess, 2,262 in rapid and 2,196 in blitz. Peak classical rating: 2,424 (Oct 2015).
How many games has Leon Mazi played?
Our database contains 1,789 games by Leon Mazi, covering Apr 2003 to Aug 2026. Overall record: 818 wins, 444 draws, 527 losses (45.7% win rate).
How do I prepare against Leon Mazi?
1,789 games by Leon Mazi 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.