Prepare against Renato Cassio del G Duarte
Brazil · World #29,733 classical · FIDE ID 2104598
When preparing against Renato Cassio del G Duarte, expect 1.d4 in 65% of White games. Against 1.e4 the reply is 1...e5 (38% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 64 games by Renato Cassio del G Duarte, covering Apr 2003 to Oct 2026. Below you'll find Renato Cassio del G Duarte's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Renato Cassio del G Duarte 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 | 1,988 | 2,135 | Jan 2005 |
| Rapid | 2,028 | 2,028 | Oct 2026 |
| Blitz | 1,996 | 1,996 | Oct 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 64 | 25 | 20 | 19 | 39.1% |
| As White | 34 | 11 | 12 | 11 | 32.4% |
| As Black | 30 | 14 | 8 | 8 | 46.7% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Renato Cassio del G Duarte's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Renato Cassio del G Duarte's side.
First moves as White (34 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 22 | 64.7% | 52.3% |
| e4 | 8 | 23.5% | 43.8% |
| Nf3 | 3 | 8.8% | 50.0% |
| f4 | 1 | 2.9% | 50.0% |
Main lines as White
- 1.d4 — 65% of White games, 52.3% score
- …Nf6 (73% of these games) — Duarte usually continues c4 (75.0% score)
- …d5 (18% of these games) — Duarte usually continues c4 (37.5% score)
- …c6 (5% of these games) — Duarte usually continues Nf3 (100.0% score)
- 1.e4 — 24% of White games, 43.8% score
- …c5 (38% of these games) — Duarte usually continues Nf3 (33.3% score)
- …d6 (38% of these games) — Duarte usually continues d4 (50.0% score)
- …e5 (13% of these games) — Duarte usually continues Nf3 (100.0% score)
As Black against 1.e4 (21 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 8 | 38.1% | 43.8% |
| e6 | 5 | 23.8% | 60.0% |
| c6 | 3 | 14.3% | 50.0% |
| Nc6 | 2 | 9.5% | 100.0% |
| d5 | 2 | 9.5% | 100.0% |
| c5 | 1 | 4.8% | 0.0% |
As Black against 1.d4 (6 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 6 | 100.0% | 58.3% |
Renato Cassio del G Duarte's chess games
All 64 games by Renato Cassio del G Duarte in the Chess.ceo database (Apr 2003 - 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: 25 wins, 20 draws, 19 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B08 | Pirc Defense | 3 | 1/1/1 | 33.3% |
| A45 | Lazard Gambit | 2 | 1/0/1 | 50.0% |
| A48 | London System | 2 | 0/2/0 | 0.0% |
| E18 | Queen's Indian Defense | 2 | 1/1/0 | 50.0% |
| D10 | Slav Defense | 2 | 1/1/0 | 50.0% |
| A42 | Queen's Pawn Game | 2 | 1/1/0 | 50.0% |
| E65 | King's Indian Defense: Fianchetto Variation | 2 | 1/0/1 | 50.0% |
| A49 | King's Indian Attack | 1 | 0/1/0 | 0.0% |
| C54 | Italian Game | 1 | 1/0/0 | 100.0% |
| B18 | Caro-Kann: Classical | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C10 | French Defense | 3 | 1/2/0 | 33.3% |
| B00 | Nimzowitsch Defense: Kennedy Variation | 2 | 2/0/0 | 100.0% |
| B12 | Caro-Kann | 2 | 1/1/0 | 50.0% |
| C26 | Vienna Game | 2 | 1/0/1 | 50.0% |
| B01 | Scandinavian Defense: Main Line | 2 | 2/0/0 | 100.0% |
| A53 | Indian Defense | 1 | 0/0/1 | 0.0% |
| C01 | French: Exchange Variation | 1 | 0/1/0 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 1 | 0/0/1 | 0.0% |
| C59 | Italian Game: Two Knights Defense | 1 | 0/0/1 | 0.0% |
| C56 | Italian Game: Scotch Gambit | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jan 1993 | Juan Carlos Neme | 2,220 | Buenos Aires CAA Open | C54 |
| Jan 1992 | Daniel Gomez | 2,205 | Buenos Aires GP I | E11 |
| Jan 1993 | Juan Pablo Seminara | 2,185 | Buenos Aires CAA Open | B01 |
| Jun 2003 | Rodrigo Dal Bosco Fontana | 2,115 | ch-BRA Universities | C55 |
| Sep 2015 | Daniel De Freitas Castro | 1,951 | ch-Mineiro | B00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-Mineiro | 2015 | 10 | 6 | 1,900 |
| Najdorf Memorial | 1998 | 9 | 4.5 | 2,163 |
| ch-Betim | 2014 | 9 | 6 | 2,015 |
| Belo Horizonte Centenario Open | 1997 | 7 | 2.5 | 2,067 |
| ch-BRA Universities | 2003 | 7 | 4.5 | 2,262 |
| Buenos Aires GP I | 1992 | 7 | 4 | 2,332 |
| Belo Horizonte Mineiro Open | 2013 | 6 | 4 | 1,968 |
| Santo Domingo Open | 2006 | 5 | 1 | 2,021 |
Interactive opening tree from all 64 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Renato Cassio del G Duarte's chess games?
64 games by Renato Cassio del G Duarte, from Apr 2003 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 Renato Cassio del G Duarte has played.
What does Renato Cassio del G Duarte play on the first move as White?
Across 34 games with White in our database, Renato Cassio del G Duarte opens with 1.d4 (65% of games), 1.e4 (24% of games), 1.Nf3 (9% of games). Against 1.e4 as Black, Renato Cassio del G Duarte answers 1...e5 (38% of games), 1...e6 (24% of games), 1...c6 (14% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Renato Cassio del G Duarte play as White?
As White, Renato Cassio del G Duarte's most-played openings in our database are: Pirc Defense (3 games, 33.3% win rate); Lazard Gambit (2 games, 50.0% win rate); London System (2 games, 0.0% win rate). The full breakdown of 34 games with White is in the table above.
What openings does Renato Cassio del G Duarte play as Black?
As Black, Renato Cassio del G Duarte most often plays: French Defense (3 games, 33.3% win rate); Nimzowitsch Defense: Kennedy Variation (2 games, 100.0% win rate); Caro-Kann (2 games, 50.0% win rate). See the table above for the top ten Black openings across 30 games.
What is Renato Cassio del G Duarte's FIDE rating?
Renato Cassio del G Duarte is currently rated 1,988 in classical chess, 2,028 in rapid and 1,996 in blitz. Peak classical rating: 2,135 (Jan 2005).
How many games has Renato Cassio del G Duarte played?
Our database contains 64 games by Renato Cassio del G Duarte, covering Apr 2003 to Oct 2026. Overall record: 25 wins, 20 draws, 19 losses (39.1% win rate).
How do I prepare against Renato Cassio del G Duarte?
64 games by Renato Cassio del G Duarte 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.