Prepare against Matias Nunez de la Rosa
URY · World #22,117 classical · FIDE ID 3000923
When preparing against Matias Nunez de la Rosa, expect 1.Nf3 in 50% of White games. Against 1.e4 the reply is 1...c5 (73% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 57 games by Matias Nunez de la Rosa, covering Jan 2008 to Oct 2026. Below you'll find Matias Nunez de la Rosa's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Matias Nunez de la Rosa 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 | 2,040 | 2,144 | Oct 2008 |
| Rapid | 2,136 | 2,139 | Jun 2026 |
| Blitz | 2,105 | 2,147 | Aug 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 57 | 34 | 7 | 16 | 59.6% |
| As White | 32 | 21 | 3 | 8 | 65.6% |
| As Black | 25 | 13 | 4 | 8 | 52.0% |
FIDE rated record
From FIDE's official rated-game ledger (2007-2026): 376 rated games against 206 different opponents, across 55 events in 2 countries. These counts cover FIDE-rated play only, so they differ from the database totals above.
By time control
| Format | Games | W | D | L | Win rate | Avg opp | Perf | Unbeaten |
|---|---|---|---|---|---|---|---|---|
| Classical | 74 | 42 | 11 | 21 | 56.8% | 1,990 | 2,024 | 7 |
| Rapid | 113 | 77 | 16 | 20 | 68.1% | 1,862 | 2,063 | 18 |
| Blitz | 189 | 114 | 21 | 54 | 60.3% | 1,916 | 2,039 | 16 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 71 | 23 | 11 | 37 | 32.4% |
| Against lower-rated | 268 | 184 | 32 | 52 | 68.7% |
Wins over titled players: 3 vs IM · 7 vs FM · 7 vs CM.
Tournament wins
7 tournament wins from 44 events, 7 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 64 | 39 | 11 | 14 | 1,928 | 2,084 |
| 2025 | 103 | 63 | 15 | 25 | 1,927 | 2,070 |
| 2024 | 57 | 44 | 0 | 13 | 1,854 | 2,068 |
| 2022 | 6 | 6 | 0 | 0 | 1,641 | 2,041 |
| 2021 | 6 | 3 | 2 | 1 | 1,702 | 1,835 |
| 2019 | 47 | 26 | 6 | 15 | 1,847 | 1,940 |
| 2018 | 21 | 11 | 4 | 6 | 1,929 | 2,025 |
| 2015 | 5 | 2 | 1 | 2 | 2,008 | 2,008 |
| 2012 | 17 | 10 | 1 | 6 | 1,980 | 2,008 |
| 2011 | 20 | 13 | 2 | 5 | 1,960 | 2,052 |
| 2008 | 14 | 8 | 1 | 5 | 2,153 | 2,086 |
| 2007 | 16 | 8 | 5 | 3 | 2,115 | 2,115 |
Where Matias Nunez de la Rosa has played
Uruguay (43) · Argentina (12)
Move-by-move preparation stats
Straight from the preparation tree built over all of Matias Nunez de la Rosa's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Matias Nunez de la Rosa's side.
First moves as White (32 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf3 | 16 | 50.0% | 62.5% |
| d4 | 14 | 43.8% | 82.1% |
| c4 | 1 | 3.1% | 100.0% |
| e4 | 1 | 3.1% | 0.0% |
Main lines as White
- 1.Nf3 — 50% of White games, 62.5% score
- …Nf6 (50% of these games) — Rosa usually continues g3 (57.1% score)
- …d5 (38% of these games) — Rosa usually continues g3 (66.7% score)
- …c5 (6% of these games) — Rosa usually continues g3 (100.0% score)
- 1.d4 — 44% of White games, 82.1% score
- …Nf6 (43% of these games) — Rosa usually continues c4 (66.7% score)
- …d5 (21% of these games) — Rosa usually continues Nf3 (100.0% score)
- …e6 (14% of these games) — Rosa usually continues Nf3 (75.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 8 | 72.7% | 37.5% |
| e6 | 2 | 18.2% | 25.0% |
| e5 | 1 | 9.1% | 50.0% |
As Black against 1.d4 (7 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 100.0% | 78.6% |
Matias Nunez de la Rosa's chess games
All 57 games by Matias Nunez de la Rosa in the Chess.ceo database (Jan 2008 - 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: 34 wins, 7 draws, 16 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | Réti Opening | 9 | 5/0/4 | 55.6% |
| A46 | Indian Defense | 6 | 4/1/1 | 66.7% |
| D02 | Queen's Pawn Game | 4 | 3/0/1 | 75.0% |
| A40 | Horwitz Defense | 2 | 1/1/0 | 50.0% |
| A30 | English Opening | 2 | 2/0/0 | 100.0% |
| E16 | Queen's Indian Defense | 1 | 1/0/0 | 100.0% |
| A05 | Réti Opening: Spassky Variation | 1 | 0/0/1 | 0.0% |
| E63 | Réti Opening: Symmetrical Defense | 1 | 1/0/0 | 100.0% |
| D45 | Slav Defense | 1 | 0/1/0 | 0.0% |
| D03 | Torre Attack | 1 | 1/0/0 | 100.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B63 | Sicilian | 5 | 2/0/3 | 40.0% |
| A15 | English Opening | 4 | 3/1/0 | 75.0% |
| D77 | Indian Defense | 3 | 1/1/1 | 33.3% |
| C19 | French: Winawer Variation | 2 | 0/1/1 | 0.0% |
| D85 | Grünfeld Defense | 2 | 2/0/0 | 100.0% |
| B23 | Sicilian: Closed | 2 | 1/0/1 | 50.0% |
| B22 | Sicilian: Alapin | 1 | 0/0/1 | 0.0% |
| D00 | Trompowsky Attack | 1 | 1/0/0 | 100.0% |
| A25 | English Opening: Reverse Sicilian | 1 | 0/0/1 | 0.0% |
| E91 | King's Indian Defense: Orthodox Variation | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jul 2026 | Diego Carbone | 2,255 | Campeonato Uruguayo 2026 | Blitz | A15 |
| Oct 2008 | Cristhian Oddone | 2,231 | Paysandu Departamental Primera | B23 |
| Jul 2026 | Claudio Coppola | 2,198 | Campeonato Uruguayo 2026 | Blitz | A46 |
| Jun 2026 | Luis Garcia Silveira | 2,137 | Uruguayo Interclubes por Equipos 2026 | Blitz | E63 |
| May 2004 | Tabare Bustelo | 2,098 | ch-URU | D02 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Paysandu Departamental Primera | 2008 | 14 | 8.5 | 2,233 |
| ch-URU | 2004 | 11 | 4.5 | 2,065 |
| Uruguayo Interclubes por Equipos 2026 | Blitz | 2026 | 9 | 7 | 2,124 |
| Campeonato Uruguayo 2026 | Blitz | 2026 | 7 | 6 | 2,310 |
| Uruguayo Interclubes por Equipos 2026 | Rapido | 2026 | 6 | 4 | 2,049 |
| chT-URU | 2012 | 5 | 4 | 2,196 |
| ch-URU U20 | 2004 | 5 | 3.5 | – |
Interactive opening tree from all 57 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Matias Nunez de la Rosa's chess games?
57 games by Matias Nunez de la Rosa, from Jan 2008 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 Matias Nunez de la Rosa has played.
What does Matias Nunez de la Rosa play on the first move as White?
Across 32 games with White in our database, Matias Nunez de la Rosa opens with 1.Nf3 (50% of games), 1.d4 (44% of games), 1.c4 (3% of games). Against 1.e4 as Black, Matias Nunez de la Rosa answers 1...c5 (73% of games), 1...e6 (18% of games), 1...e5 (9% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Matias Nunez de la Rosa play as White?
As White, Matias Nunez de la Rosa's most-played openings in our database are: Réti Opening (9 games, 55.6% win rate); Indian Defense (6 games, 66.7% win rate); Queen's Pawn Game (4 games, 75.0% win rate). The full breakdown of 32 games with White is in the table above.
What openings does Matias Nunez de la Rosa play as Black?
As Black, Matias Nunez de la Rosa most often plays: Sicilian (5 games, 40.0% win rate); English Opening (4 games, 75.0% win rate); Indian Defense (3 games, 33.3% win rate). See the table above for the top ten Black openings across 25 games.
What is Matias Nunez de la Rosa's FIDE rating?
Matias Nunez de la Rosa is currently rated 2,040 in classical chess, 2,136 in rapid and 2,105 in blitz. Peak classical rating: 2,144 (Oct 2008).
How many games has Matias Nunez de la Rosa played?
Our database contains 57 games by Matias Nunez de la Rosa, covering Jan 2008 to Oct 2026. Overall record: 34 wins, 7 draws, 16 losses (59.6% win rate).
How do I prepare against Matias Nunez de la Rosa?
57 games by Matias Nunez de la Rosa 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.