Prepare against William Carlos Cezar Junior
Brazil · World #26,403 classical · FIDE ID 2130769
When preparing against William Carlos Cezar Junior, expect 1.c4 in 93% of White games. Against 1.e4 the reply is 1...c5 (60% of games); against 1.d4, 1...d5 (100%).
Our database contains 67 games by William Carlos Cezar Junior, covering Jan 2010 to Oct 2026. Below you'll find William Carlos Cezar Junior's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout William Carlos Cezar Junior 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 | 2,009 | 2,048 | Jun 2025 |
| Rapid | 2,076 | 2,076 | Oct 2026 |
| Blitz | 2,067 | 2,069 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 67 | 31 | 17 | 19 | 46.3% |
| As White | 32 | 19 | 8 | 5 | 59.4% |
| As Black | 35 | 12 | 9 | 14 | 34.3% |
FIDE rated record
From FIDE's official rated-game ledger (2009-2026): 203 rated games against 183 different opponents, across 29 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 | 97 | 50 | 22 | 25 | 51.5% | 1,933 | 1,998 | 13 |
| Rapid | 27 | 19 | 3 | 5 | 70.4% | 1,901 | 2,075 | 8 |
| Blitz | 70 | 45 | 9 | 16 | 64.3% | 1,921 | 2,047 | 11 |
Against the field
| Opposition | Games | W | D | L | Win rate |
|---|---|---|---|---|---|
| Against higher-rated | 54 | 7 | 11 | 36 | 13.0% |
| Against lower-rated | 102 | 76 | 20 | 6 | 74.5% |
Wins over titled players: 1 vs IM · 3 vs FM · 1 vs CM · 1 vs WIM · 1 vs WFM.
Tournament wins
3 tournament wins from 29 events, 2 of them outright.
Year by year
| Year | Games | W | D | L | Avg opp | Perf |
|---|---|---|---|---|---|---|
| 2026 | 80 | 47 | 19 | 14 | 1,913 | 2,052 |
| 2025 | 23 | 15 | 3 | 5 | 1,942 | 2,054 |
| 2022 | 15 | 9 | 1 | 5 | 2,063 | 2,148 |
| 2015 | 12 | 8 | 3 | 1 | 1,871 | 2,105 |
| 2014 | 22 | 13 | 1 | 8 | 1,788 | 1,879 |
| 2012 | 8 | 6 | 0 | 2 | 1,958 | 2,091 |
| 2011 | 10 | 5 | 1 | 4 | 1,979 | 1,864 |
| 2010 | 17 | 8 | 4 | 5 | 2,076 | 2,009 |
| 2009 | 16 | 6 | 4 | 6 | 2,015 | 1,988 |
Where William Carlos Cezar Junior has played
Brazil (27) · Spain (2)
Move-by-move preparation stats
Straight from the preparation tree built over all of William Carlos Cezar Junior's games — the same tree the interactive prep board lets you walk to any depth. Scores are from William Carlos Cezar Junior's side.
First moves as White (15 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c4 | 14 | 93.3% | 53.6% |
| d4 | 1 | 6.7% | 50.0% |
Main lines as White
- 1.c4 — 93% of White games, 53.6% score
- …e5 (29% of these games) — Junior usually continues g3 (25.0% score)
- …c5 (29% of these games) — Junior usually continues g3 (75.0% score)
- …e6 (14% of these games) — Junior usually continues g3 (75.0% score)
- 1.d4 — 7% of White games, 50.0% score
- …Nf6 (100% of these games) — Junior usually continues c4 (50.0% score)
As Black against 1.e4 (5 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 3 | 60.0% | 33.3% |
| e5 | 2 | 40.0% | 0.0% |
As Black against 1.d4 (8 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 8 | 100.0% | 56.3% |
William Carlos Cezar Junior's chess games
All 67 games by William Carlos Cezar Junior in the Chess.ceo database (Jan 2010 - 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: 31 wins, 17 draws, 19 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| A13 | English Opening | 11 | 6/3/2 | 54.5% |
| A20 | English Opening: Reverse Sicilian | 7 | 3/1/3 | 42.9% |
| A34 | English Opening: Symmetrical | 7 | 5/2/0 | 71.4% |
| A14 | English Opening: Neo-Catalan | 3 | 2/1/0 | 66.7% |
| A11 | English Opening: Slav Setup | 2 | 2/0/0 | 100.0% |
| A10 | English Opening: Dutch Defense | 1 | 1/0/0 | 100.0% |
| E60 | King's Indian Defense | 1 | 0/1/0 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D37 | Indian Defense | 11 | 3/5/3 | 27.3% |
| B33 | Sicilian: Sveshnikov | 7 | 4/1/2 | 57.1% |
| A05 | Réti Opening | 3 | 0/1/2 | 0.0% |
| B25 | Sicilian | 3 | 2/0/1 | 66.7% |
| D35 | Queen's Gambit Declined | 2 | 1/1/0 | 50.0% |
| D30 | Catalan | 2 | 2/0/0 | 100.0% |
| B21 | Sicilian: Grand Prix Attack | 1 | 0/0/1 | 0.0% |
| C26 | Vienna Game | 1 | 0/0/1 | 0.0% |
| A14 | English Opening: Neo-Catalan | 1 | 0/0/1 | 0.0% |
| D37 | London System | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Dec 2022 | Juliana Sayumi Terao | 2,240 | 4th Rio de Janeiro Duchamp Open | A14 |
| Aug 2012 | Acyr Rogerio Calcado | 2,165 | 2nd Maringa Open | A29 |
| Sep 2015 | Ruan Lucas Alves Goncalves | 1,974 | 3rd Sao Paulo Open B | B33 |
| Jul 2014 | Igor Lorenzon de Carvalho | 1,921 | 18th Sao Paulo Hebraica Open | D35 |
| May 2025 | Juliana Figueira Theophilo Silva | 1,919 | 18th American Continental | D30 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 1st 3-0 Thu 9th Jul 2026 | 2026 | 10 | 4 | 2,021 |
| 18th American Continental | 2025 | 9 | 4 | 2,060 |
| 4th Rio de Janeiro Duchamp Open | 2022 | 7 | 4.5 | 2,153 |
| 18th Sao Paulo Hebraica Open | 2014 | 6 | 3.5 | 1,981 |
| 2nd Maringa Open | 2012 | 5 | 4 | 2,148 |
| Barrinha Merli Memorial Open | 2010 | 5 | 4 | 2,324 |
| Curitiba Chess Open 2026 | 2026 | 5 | 3 | 1,864 |
| 3rd Sao Paulo Open B | 2015 | 4 | 3.5 | 2,129 |
Interactive opening tree from all 67 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find William Carlos Cezar Junior's chess games?
67 games by William Carlos Cezar Junior, from Jan 2010 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 William Carlos Cezar Junior has played.
What does William Carlos Cezar Junior play on the first move as White?
Across 15 games with White in our database, William Carlos Cezar Junior opens with 1.c4 (93% of games), 1.d4 (7% of games). Against 1.e4 as Black, William Carlos Cezar Junior answers 1...c5 (60% of games), 1...e5 (40% of games). Against 1.d4: 1...d5 (100% of games).
What openings does William Carlos Cezar Junior play as White?
As White, William Carlos Cezar Junior's most-played openings in our database are: English Opening (11 games, 54.5% win rate); English Opening: Reverse Sicilian (7 games, 42.9% win rate); English Opening: Symmetrical (7 games, 71.4% win rate). The full breakdown of 32 games with White is in the table above.
What openings does William Carlos Cezar Junior play as Black?
As Black, William Carlos Cezar Junior most often plays: Indian Defense (11 games, 27.3% win rate); Sicilian: Sveshnikov (7 games, 57.1% win rate); Réti Opening (3 games, 0.0% win rate). See the table above for the top ten Black openings across 35 games.
What is William Carlos Cezar Junior's FIDE rating?
William Carlos Cezar Junior is currently rated 2,009 in classical chess, 2,076 in rapid and 2,067 in blitz. Peak classical rating: 2,048 (Jun 2025).
How many games has William Carlos Cezar Junior played?
Our database contains 67 games by William Carlos Cezar Junior, covering Jan 2010 to Oct 2026. Overall record: 31 wins, 17 draws, 19 losses (46.3% win rate).
How do I prepare against William Carlos Cezar Junior?
67 games by William Carlos Cezar Junior 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.