Prepare against Sidney Nunes Jr
Brazil · World #21,142 classical · FIDE ID 2128853
When preparing against Sidney Nunes Jr, expect 1.e4 in 72% of White games. Against 1.e4 the reply is 1...e5 (71% of games); against 1.d4, 1...Nf6 (64%).
Our database contains 69 games by Sidney Nunes Jr, covering May 2011 to Oct 2026. Below you'll find Sidney Nunes Jr's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Sidney Nunes Jr 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 | 2,048 | 2,085 | Nov 2018 |
| Rapid | 2,108 | 2,113 | Dec 2018 |
| Blitz | 2,060 | 2,060 | Oct 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 69 | 33 | 19 | 17 | 47.8% |
| As White | 36 | 19 | 10 | 7 | 52.8% |
| As Black | 33 | 14 | 9 | 10 | 42.4% |
FIDE rated record
From FIDE's official rated-game ledger (2009-2026): 313 rated games against 255 different opponents, across 46 events in 3 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 | 266 | 134 | 64 | 68 | 50.4% | 1,956 | 2,014 | 13 |
| Rapid | 17 | 11 | 3 | 3 | 64.7% | 1,849 | 2,116 | 9 |
| Blitz | 7 | 6 | 1 | 0 | 85.7% | 1,671 | 2,004 | 7 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 93 | 15 | 31 | 47 | 16.1% |
| Against lower-rated | 150 | 108 | 22 | 20 | 72.0% |
Wins over titled players: 7 vs FM · 3 vs CM · 1 vs WIM · 2 vs WFM.
Tournament wins
4 tournament wins from 46 events, 1 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 5 | 3 | 2 | 0 | 1,770 | 2,010 |
| 2025 | 13 | 7 | 2 | 4 | 1,985 | 2,085 |
| 2024 | 13 | 6 | 5 | 2 | 1,928 | 2,037 |
| 2022 | 13 | 7 | 3 | 3 | 1,649 | 1,758 |
| 2021 | 21 | 12 | 1 | 8 | 1,952 | 2,036 |
| 2019 | 9 | 2 | 3 | 4 | 2,144 | 2,055 |
| 2018 | 31 | 14 | 7 | 10 | 2,014 | 2,057 |
| 2017 | 24 | 13 | 3 | 8 | 1,937 | 1,975 |
| 2016 | 21 | 14 | 3 | 4 | 1,831 | 2,098 |
| 2015 | 60 | 38 | 14 | 8 | 1,891 | 2,064 |
| 2014 | 33 | 17 | 8 | 8 | 2,022 | 2,070 |
| 2013 | 25 | 13 | 5 | 7 | 1,915 | 1,937 |
| 2012 | 15 | 7 | 3 | 5 | 1,901 | 1,801 |
| 2011 | 14 | 5 | 6 | 3 | 2,117 | 2,117 |
| 2009 | 16 | 7 | 5 | 4 | 2,175 | 1,975 |
Where Sidney Nunes Jr has played
Brazil (40) · Paraguay (4) · Argentina (2)
Move-by-move preparation stats
Straight from the preparation tree built over all of Sidney Nunes Jr's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Sidney Nunes Jr's side.
First moves as White (36 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 26 | 72.2% | 69.2% |
| d4 | 6 | 16.7% | 75.0% |
| c4 | 4 | 11.1% | 37.5% |
Main lines as White
- 1.e4 — 72% of White games, 69.2% score
- …c5 (62% of these games) — Jr usually continues Nf3 (73.3% score)
- …d6 (15% of these games) — Jr usually continues d4 (83.3% score)
- …e6 (8% of these games) — Jr usually continues d4 (50.0% score)
- 1.d4 — 17% of White games, 75.0% score
- …d5 (50% of these games) — Jr usually continues c4 (100.0% score)
- …Nf6 (33% of these games) — Jr usually continues c4 (100.0% score)
- …c5 (17% of these games) — Jr usually continues e4 (50.0% score)
As Black against 1.e4 (14 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 10 | 71.4% | 70.0% |
| c5 | 2 | 14.3% | 50.0% |
| e6 | 1 | 7.1% | 100.0% |
| c6 | 1 | 7.1% | 50.0% |
As Black against 1.d4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 7 | 63.6% | 57.1% |
| d5 | 4 | 36.4% | 50.0% |
Sidney Nunes Jr's chess games
All 69 games by Sidney Nunes Jr in the Chess.ceo database (May 2011 - 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: 33 wins, 19 draws, 17 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B40 | Sicilian | 7 | 4/1/2 | 57.1% |
| B07 | Pirc Defense | 3 | 2/1/0 | 66.7% |
| B30 | Sicilian: Rossolimo | 3 | 2/0/1 | 66.7% |
| B52 | Sicilian: Moscow Variation | 3 | 3/0/0 | 100.0% |
| B02 | Alekhine Defense | 2 | 0/1/1 | 0.0% |
| A26 | English Opening | 2 | 0/2/0 | 0.0% |
| B01 | Scandinavian Defense: Modern Variation | 2 | 1/1/0 | 50.0% |
| B48 | Sicilian: Taimanov | 2 | 1/1/0 | 50.0% |
| E90 | King's Indian Defense: Orthodox Variation | 1 | 1/0/0 | 100.0% |
| A24 | Modern Defense | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C45 | Scotch Game | 4 | 3/0/1 | 75.0% |
| D38 | Indian Defense | 4 | 1/1/2 | 25.0% |
| A90 | Queen's Gambit Declined | 3 | 1/1/1 | 33.3% |
| A00 | King's Indian Attack | 2 | 1/0/1 | 50.0% |
| C96 | Ruy Lopez: Closed | 2 | 2/0/0 | 100.0% |
| E17 | Queen's Indian Defense | 2 | 1/1/0 | 50.0% |
| C50 | Italian Game: Giuoco Pianissimo | 1 | 0/1/0 | 0.0% |
| A30 | English Opening | 1 | 0/0/1 | 0.0% |
| E94 | King's Indian: Sämisch | 1 | 0/0/1 | 0.0% |
| E90 | King's Indian Defense: Orthodox Variation | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Oct 2018 | Edgar Rodrigues | 2,334 | Florianopolis Regional STD Open | C45 |
| Jan 2017 | Lucas Aguiar Cunha | 2,287 | 3rd Florianopolis Open | B40 |
| May 2025 | Maximiliano Aguinaga | 2,226 | 18th American Continental | B23 |
| Aug 2019 | Julia Alboredo | 2,205 | 5th Caioba Telecom Open | C96 |
| Feb 2017 | Jair Osipi | 2,196 | ch-Parana | B30 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 5th Caioba Telecom Open | 2019 | 8 | 2.5 | 2,080 |
| Maringa Open | 2011 | 6 | 4.5 | 2,296 |
| Brazil Foz do Iguacu Open | 2025 | 6 | 3.5 | 2,003 |
| 3rd Florianopolis Open | 2017 | 6 | 3 | 2,057 |
| Florianopolis Regional STD Open | 2018 | 6 | 4 | 2,201 |
| ch-Parana | 2017 | 6 | 4.5 | 1,978 |
| Florianopolis Open | 2015 | 5 | 3.5 | 2,140 |
| 18th American Continental | 2025 | 5 | 4 | 2,200 |
Interactive opening tree from all 69 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Sidney Nunes Jr's chess games?
69 games by Sidney Nunes Jr, from May 2011 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 Sidney Nunes Jr has played.
What does Sidney Nunes Jr play on the first move as White?
Across 36 games with White in our database, Sidney Nunes Jr opens with 1.e4 (72% of games), 1.d4 (17% of games), 1.c4 (11% of games). Against 1.e4 as Black, Sidney Nunes Jr answers 1...e5 (71% of games), 1...c5 (14% of games), 1...e6 (7% of games). Against 1.d4: 1...Nf6 (64% of games), 1...d5 (36% of games).
What openings does Sidney Nunes Jr play as White?
As White, Sidney Nunes Jr's most-played openings in our database are: Sicilian (7 games, 57.1% win rate); Pirc Defense (3 games, 66.7% win rate); Sicilian: Rossolimo (3 games, 66.7% win rate). The full breakdown of 36 games with White is in the table above.
What openings does Sidney Nunes Jr play as Black?
As Black, Sidney Nunes Jr most often plays: Scotch Game (4 games, 75.0% win rate); Indian Defense (4 games, 25.0% win rate); Queen's Gambit Declined (3 games, 33.3% win rate). See the table above for the top ten Black openings across 33 games.
What is Sidney Nunes Jr's FIDE rating?
Sidney Nunes Jr is currently rated 2,048 in classical chess, 2,108 in rapid and 2,060 in blitz. Peak classical rating: 2,085 (Nov 2018).
How many games has Sidney Nunes Jr played?
Our database contains 69 games by Sidney Nunes Jr, covering May 2011 to Oct 2026. Overall record: 33 wins, 19 draws, 17 losses (47.8% win rate).
How do I prepare against Sidney Nunes Jr?
69 games by Sidney Nunes Jr 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.