Prepare against Claudio Santos Sergio
Brazil · World #29,418 classical · FIDE ID 2107686
Our database contains 77 games by Claudio Santos Sergio, covering Jul 2007 to Jul 2026. Below you'll find Claudio Santos Sergio's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Claudio Santos Sergio 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 | 1,989 | 2,076 | Jun 2013 |
| Rapid | 2,016 | 2,016 | Jul 2026 |
| Blitz | 1,948 | 1,984 | Jun 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 77 | 44 | 13 | 20 | 57.1% |
| As White | 39 | 19 | 8 | 12 | 48.7% |
| As Black | 38 | 25 | 5 | 8 | 65.8% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Claudio Santos Sergio's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Claudio Santos Sergio's side.
First moves as White (39 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 22 | 56.4% | 68.2% |
| d4 | 14 | 35.9% | 42.9% |
| Nf3 | 1 | 2.6% | 0.0% |
| d3 | 1 | 2.6% | 100.0% |
| b3 | 1 | 2.6% | 100.0% |
Main lines as White
- 1.e4 — 56% of White games, 68.2% score
- …c5 (41% of these games) — Sergio usually continues Nf3 (50.0% score)
- …e5 (36% of these games) — Sergio usually continues Nc3 (81.3% score)
- …c6 (9% of these games) — Sergio usually continues d4 (100.0% score)
- 1.d4 — 36% of White games, 42.9% score
- …Nf6 (71% of these games) — Sergio usually continues f4 (50.0% score)
- …d5 (29% of these games) — Sergio usually continues f4 (33.3% score)
As Black against 1.e4 (24 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 15 | 62.5% | 76.7% |
| c5 | 5 | 20.8% | 70.0% |
| d6 | 3 | 12.5% | 66.7% |
| e6 | 1 | 4.2% | 100.0% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 4 | 40.0% | 50.0% |
| d6 | 4 | 40.0% | 75.0% |
| e6 | 2 | 20.0% | 100.0% |
Claudio Santos Sergio's chess games
All 77 games by Claudio Santos Sergio in the Chess.ceo database (Jul 2007 - Jul 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: 44 wins, 13 draws, 20 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D00 | Queen's Pawn Game | 8 | 3/0/5 | 37.5% |
| C26 | Vienna Game | 8 | 6/1/1 | 75.0% |
| A45 | Canard Opening | 6 | 2/2/2 | 33.3% |
| A04 | Sicilian | 4 | 2/1/1 | 50.0% |
| B35 | Sicilian: Accelerated Dragon | 3 | 0/2/1 | 0.0% |
| B12 | Caro-Kann: Advance Variation | 2 | 2/0/0 | 100.0% |
| B22 | Sicilian: Alapin | 1 | 0/1/0 | 0.0% |
| B90 | Sicilian: Najdorf | 1 | 0/1/0 | 0.0% |
| B01 | Réti Opening | 1 | 0/0/1 | 0.0% |
| C00 | French Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A21 | Queen's Pawn Game | 5 | 3/0/2 | 60.0% |
| C63 | Ruy Lopez: Schliemann | 4 | 4/0/0 | 100.0% |
| C45 | Scotch Game | 4 | 4/0/0 | 100.0% |
| B35 | Sicilian: Accelerated Dragon | 4 | 1/3/0 | 25.0% |
| C50 | Italian Game | 4 | 2/0/2 | 50.0% |
| B07 | Pirc Defense | 4 | 3/0/1 | 75.0% |
| A84 | Horwitz Defense | 2 | 2/0/0 | 100.0% |
| A84 | Dutch Defense | 2 | 1/1/0 | 50.0% |
| C46 | Three Knights Opening | 2 | 1/1/0 | 50.0% |
| A01 | Van 't Kruijs Opening | 1 | 0/0/1 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Jun 2011 | Frederico Gazel Col Pereira | 2,274 | Aparecida Miranda Memorial | A81 |
| Dec 2013 | Guilherme Vilela Rezende | 2,129 | Goiania Gomes Memorial | A41 |
| Feb 2013 | Marcelo Nascimento Pomar | 2,094 | ch-BRA Amateur | C26 |
| Feb 2013 | Sidnei Bissacot Coutinho | 2,083 | ch-BRA Amateur | C50 |
| Jun 2011 | Tiago Batista Oliveira | 2,075 | Aparecida Miranda Memorial | C26 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 2nd Goiania CXNH | 2007 | 9 | 6.5 | 2,199 |
| Aparecida Miranda Memorial | 2011 | 9 | 7.5 | 2,359 |
| 6th Florianopolis Winter Open | 2022 | 8 | 4.5 | 1,725 |
| 9th Florianopolis Open | 2023 | 7 | 4.5 | 1,858 |
| Goiania Gomes Memorial | 2013 | 7 | 3 | 1,948 |
| ch-BRA Amateur | 2013 | 7 | 6 | 2,228 |
| ch-Goiania Phase 02 | 2014 | 6 | 3 | 1,911 |
| Goias Interior-ch | 2013 | 5 | 3.5 | 2,093 |
Interactive opening tree from all 77 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Claudio Santos Sergio's chess games?
77 games by Claudio Santos Sergio, from Jul 2007 to Jul 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 Claudio Santos Sergio has played.
What does Claudio Santos Sergio play on the first move as White?
Across 39 games with White in our database, Claudio Santos Sergio opens with 1.e4 (56% of games), 1.d4 (36% of games), 1.Nf3 (3% of games). Against 1.e4 as Black, Claudio Santos Sergio answers 1...e5 (63% of games), 1...c5 (21% of games), 1...d6 (13% of games). Against 1.d4: 1...d5 (40% of games), 1...d6 (40% of games), 1...e6 (20% of games).
What openings does Claudio Santos Sergio play as White?
As White, Claudio Santos Sergio's most-played openings in our database are: Queen's Pawn Game (8 games, 37.5% win rate); Vienna Game (8 games, 75.0% win rate); Canard Opening (6 games, 33.3% win rate). The full breakdown of 39 games with White is in the table above.
What openings does Claudio Santos Sergio play as Black?
As Black, Claudio Santos Sergio most often plays: Queen's Pawn Game (5 games, 60.0% win rate); Ruy Lopez: Schliemann (4 games, 100.0% win rate); Scotch Game (4 games, 100.0% win rate). See the table above for the top ten Black openings across 38 games.
What is Claudio Santos Sergio's FIDE rating?
Claudio Santos Sergio is currently rated 1,989 in classical chess, 2,016 in rapid and 1,948 in blitz. Peak classical rating: 2,076 (Jun 2013).
How many games has Claudio Santos Sergio played?
Our database contains 77 games by Claudio Santos Sergio, covering Jul 2007 to Jul 2026. Overall record: 44 wins, 13 draws, 20 losses (57.1% win rate).
How do I prepare against Claudio Santos Sergio?
77 games by Claudio Santos Sergio 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.