Prepare against Mateus Costamilan Tomiello
FM · Brazil · World #7,357 classical · FIDE ID 22701958
Our database contains 567 games by Mateus Costamilan Tomiello, covering Sep 2016 to Aug 2026. Below you'll find Mateus Costamilan Tomiello's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Mateus Costamilan Tomiello 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 | 2,218 | 2,225 | Feb 2026 |
| Rapid | 2,078 | 2,078 | Aug 2026 |
| Blitz | 2,179 | 2,179 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 567 | 259 | 55 | 253 | 45.7% |
| As White | 292 | 133 | 31 | 128 | 45.5% |
| As Black | 275 | 126 | 24 | 125 | 45.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Mateus Costamilan Tomiello's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Mateus Costamilan Tomiello's side.
First moves as White (292 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 185 | 63.4% | 50.5% |
| d4 | 63 | 21.6% | 50.0% |
| c4 | 42 | 14.4% | 52.4% |
| Nf3 | 2 | 0.7% | 75.0% |
Main lines as White
- 1.e4 — 63% of White games, 50.5% score
- …c5 (45% of these games) — Tomiello usually continues Nf3 (51.2% score)
- …e5 (19% of these games) — Tomiello usually continues Nf3 (48.6% score)
- …c6 (12% of these games) — Tomiello usually continues d4 (54.3% score)
- 1.d4 — 22% of White games, 50.0% score
- …Nf6 (73% of these games) — Tomiello usually continues c4 (47.8% score)
- …d5 (21% of these games) — Tomiello usually continues c4 (58.3% score)
- …e6 (3% of these games) — Tomiello usually continues c4 (50.0% score)
As Black against 1.e4 (130 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 90 | 69.2% | 55.6% |
| c5 | 33 | 25.4% | 56.1% |
| c6 | 5 | 3.8% | 50.0% |
| g6 | 2 | 1.5% | 0.0% |
As Black against 1.d4 (99 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 53 | 53.5% | 53.8% |
| d5 | 44 | 44.4% | 39.8% |
| g6 | 1 | 1.0% | 100.0% |
Mateus Costamilan Tomiello's chess games
All 567 games by Mateus Costamilan Tomiello in the Chess.ceo database (Sep 2016 - 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: 259 wins, 55 draws, 253 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B44 | Sicilian | 25 | 11/1/13 | 44.0% |
| B92 | Sicilian: Najdorf | 25 | 12/2/11 | 48.0% |
| A13 | English Opening | 14 | 7/3/4 | 50.0% |
| C89 | Ruy Lopez: Closed | 13 | 6/3/4 | 46.2% |
| A29 | English Opening: Reverse Sicilian | 13 | 3/3/7 | 23.1% |
| B07 | Modern Defense | 10 | 3/1/6 | 30.0% |
| E71 | King's Indian Defense | 10 | 4/1/5 | 40.0% |
| E46 | Nimzo-Indian: Rubinstein System | 9 | 1/1/7 | 11.1% |
| D17 | Slav Defense | 9 | 4/1/4 | 44.4% |
| C18 | French: Winawer Variation | 8 | 4/1/3 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D37 | Indian Defense | 20 | 9/0/11 | 45.0% |
| D10 | Slav Defense | 18 | 7/1/10 | 38.9% |
| C67 | Ruy Lopez: Berlin Defense | 17 | 8/0/9 | 47.1% |
| C54 | Italian Game | 16 | 7/3/6 | 43.8% |
| C88 | Ruy Lopez: Closed | 12 | 5/2/5 | 41.7% |
| A28 | English Opening: Reverse Sicilian | 12 | 7/1/4 | 58.3% |
| A11 | Réti Opening | 10 | 5/0/5 | 50.0% |
| A11 | English Opening | 9 | 2/2/5 | 22.2% |
| D02 | London System | 9 | 2/0/7 | 22.2% |
| D85 | Grünfeld Defense | 7 | 6/0/1 | 85.7% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2022 | Rafael Leitao | 2,592 | Titled Tue Late | A28 |
| Jun 2020 | Murtas Kazhgaleyev | 2,569 | Titled Tue | D85 |
| Nov 2021 | David Arutinian | 2,549 | Titled Tue | B18 |
| Mar 2022 | Aydin Suleymanli | 2,530 | Titled Tue Early | C54 |
| Aug 2021 | Johann Hjartarson | 2,519 | Titled Tue | C50 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 338 | 151.5 | 2,249 |
| 90th ch-BRA | 2024 | 11 | 7 | 2,072 |
| 15th American Continental | 2019 | 11 | 5.5 | 2,097 |
| 10th Florianopolis Open | 2024 | 10 | 7 | 2,133 |
| 6th Florianopolis Open | 2020 | 10 | 6 | 2,091 |
| 7th Florianopolis Open | 2021 | 10 | 6 | 2,211 |
| ch-Pan American U16 | 2019 | 9 | 5.5 | 1,901 |
| 6th Florianopolis | 2023 | 9 | 4 | 2,189 |
Interactive opening tree from all 567 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Mateus Costamilan Tomiello's chess games?
567 games by Mateus Costamilan Tomiello, from Sep 2016 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 Mateus Costamilan Tomiello has played.
What does Mateus Costamilan Tomiello play on the first move as White?
Across 292 games with White in our database, Mateus Costamilan Tomiello opens with 1.e4 (63% of games), 1.d4 (22% of games), 1.c4 (14% of games). Against 1.e4 as Black, Mateus Costamilan Tomiello answers 1...e5 (69% of games), 1...c5 (25% of games), 1...c6 (4% of games). Against 1.d4: 1...Nf6 (54% of games), 1...d5 (44% of games), 1...g6 (1% of games).
What openings does Mateus Costamilan Tomiello play as White?
As White, Mateus Costamilan Tomiello's most-played openings in our database are: Sicilian (25 games, 44.0% win rate); Sicilian: Najdorf (25 games, 48.0% win rate); English Opening (14 games, 50.0% win rate). The full breakdown of 292 games with White is in the table above.
What openings does Mateus Costamilan Tomiello play as Black?
As Black, Mateus Costamilan Tomiello most often plays: Indian Defense (20 games, 45.0% win rate); Slav Defense (18 games, 38.9% win rate); Ruy Lopez: Berlin Defense (17 games, 47.1% win rate). See the table above for the top ten Black openings across 275 games.
What is Mateus Costamilan Tomiello's FIDE rating?
Mateus Costamilan Tomiello is currently rated 2,218 in classical chess, 2,078 in rapid and 2,179 in blitz. Peak classical rating: 2,225 (Feb 2026).
How many games has Mateus Costamilan Tomiello played?
Our database contains 567 games by Mateus Costamilan Tomiello, covering Sep 2016 to Aug 2026. Overall record: 259 wins, 55 draws, 253 losses (45.7% win rate).
How do I prepare against Mateus Costamilan Tomiello?
567 games by Mateus Costamilan Tomiello 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.