Prepare against Joao Edson Costa Maciel Junior
Brazil · World #128,753 classical · FIDE ID 44779410
When preparing against Joao Edson Costa Maciel Junior, expect 1.e4 in 77% of White games. Against 1.e4 the reply is 1...c5 (100% of games); against 1.d4, 1...Nf6 (100%).
Our database contains 40 games by Joao Edson Costa Maciel Junior, covering May 2024 to Oct 2026. Below you'll find Joao Edson Costa Maciel Junior's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Joao Edson Costa Maciel 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 | 1,651 | 1,722 | Oct 2024 |
| Rapid | 1,640 | 1,640 | Oct 2026 |
| Blitz | 1,666 | 1,722 | Aug 2024 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 40 | 12 | 5 | 23 | 30.0% |
| As White | 22 | 3 | 3 | 16 | 13.6% |
| As Black | 18 | 9 | 2 | 7 | 50.0% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Joao Edson Costa Maciel Junior's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Joao Edson Costa Maciel Junior's side.
First moves as White (22 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 17 | 77.3% | 14.7% |
| Nf3 | 4 | 18.2% | 50.0% |
| c4 | 1 | 4.5% | 0.0% |
Main lines as White
- 1.e4 — 77% of White games, 14.7% score
- …c5 (29% of these games) — Junior usually continues Nc3 (25.0% score)
- …e5 (24% of these games) — Junior usually continues Nf3 (25.0% score)
- …e6 (18% of these games) — Junior usually continues d3 (0.0% score)
- 1.Nf3 — 18% of White games, 50.0% score
- …Nf6 (75% of these games) — Junior usually continues Nd4 (50.0% score)
- …d6 (25% of these games) — Junior usually continues e4 (100.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| c5 | 11 | 100.0% | 54.5% |
As Black against 1.d4 (3 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 3 | 100.0% | 66.7% |
Joao Edson Costa Maciel Junior's chess games
All 40 games by Joao Edson Costa Maciel Junior in the Chess.ceo database (May 2024 - 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: 12 wins, 5 draws, 23 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B30 | Sicilian: Closed | 4 | 1/0/3 | 25.0% |
| B02 | Alekhine Defense | 2 | 0/0/2 | 0.0% |
| King's Indian Attack | 2 | 0/0/2 | 0.0% | |
| Philidor | 2 | 2/0/0 | 100.0% | |
| A05 | Réti Opening | 2 | 0/2/0 | 0.0% |
| Scotch Game | 2 | 0/0/2 | 0.0% | |
| Caro-Kann | 1 | 0/0/1 | 0.0% | |
| Pirc Defense | 1 | 0/0/1 | 0.0% | |
| Sicilian | 1 | 0/0/1 | 0.0% | |
| Réti Opening: Symmetrical Defense | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| Sicilian | 9 | 6/0/3 | 66.7% | |
| English Opening | 2 | 1/0/1 | 50.0% | |
| B21 | Sicilian: Grand Prix Attack | 2 | 0/0/2 | 0.0% |
| King's Indian Defense: Fianchetto Variation | 1 | 0/0/1 | 0.0% | |
| Nimzovich-Larsen attack | 1 | 0/1/0 | 0.0% | |
| Queen's Pawn Game | 1 | 1/0/0 | 100.0% | |
| English Opening: Symmetrical | 1 | 0/1/0 | 0.0% | |
| Indian Defense | 1 | 1/0/0 | 100.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Sep 2026 | Sabino Jose Cardoso Junior | 1,852 | III ABERTO DO BRASIL DE XADREZ RONDONIA | — |
| Apr 2026 | Robson da Costa Farias | 1,835 | COPA TIRADENTES FIDE STD 2026 | — |
| Dec 2025 | Heracles Alencar Franca Lima | 1,677 | SUPER FIDE STD TEAM CACOAL RO | — |
| Sep 2026 | Vanda Goncalves Lourenco | 1,501 | III ABERTO DO BRASIL DE XADREZ RONDONIA | — |
| May 2026 | Jose Fabian Barazorda Yucra | 1,497 | TORNEIO INTERNACIONAL DE XADREZ DA CIDADE DE RIO BRANCO AC - BRASIL | — |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| IRT SANLEY SOUZA CHESS OPEN | 2026 | 10 | 3 | 1,553 |
| SELETIVA PVH JIR 2026 | MASCULINO | 2026 | 5 | 3 | – |
| COPA TIRADENTES FIDE STD 2026 | 2026 | 5 | 3 | 1,997 |
| SUPER FIDE STD TEAM CACOAL RO | 2025 | 4 | 1.5 | 1,589 |
| TORNEIO INTERNACIONAL DE XADREZ DA CIDADE DE RIO BRANCO AC - BRASIL | 2026 | 3 | 1.5 | 1,729 |
| III ABERTO DO BRASIL DE XADREZ RONDONIA | 2026 | 3 | 2 | 1,809 |
| FILHOS DE RO CHESS OPEN STD FIDE | 2025 | 3 | 0.5 | 1,643 |
| II Aberto do Brasil de Xadrez Rondonia 2025 | 2025 | 2 | 0 | 1,495 |
Interactive opening tree from all 40 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Joao Edson Costa Maciel Junior's chess games?
40 games by Joao Edson Costa Maciel Junior, from May 2024 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 Joao Edson Costa Maciel Junior has played.
What does Joao Edson Costa Maciel Junior play on the first move as White?
Across 22 games with White in our database, Joao Edson Costa Maciel Junior opens with 1.e4 (77% of games), 1.Nf3 (18% of games), 1.c4 (5% of games). Against 1.e4 as Black, Joao Edson Costa Maciel Junior answers 1...c5 (100% of games). Against 1.d4: 1...Nf6 (100% of games).
What openings does Joao Edson Costa Maciel Junior play as White?
As White, Joao Edson Costa Maciel Junior's most-played openings in our database are: Sicilian: Closed (4 games, 25.0% win rate); Alekhine Defense (2 games, 0.0% win rate); King's Indian Attack (2 games, 0.0% win rate). The full breakdown of 22 games with White is in the table above.
What openings does Joao Edson Costa Maciel Junior play as Black?
As Black, Joao Edson Costa Maciel Junior most often plays: Sicilian (9 games, 66.7% win rate); English Opening (2 games, 50.0% win rate); Sicilian: Grand Prix Attack (2 games, 0.0% win rate). See the table above for the top ten Black openings across 18 games.
What is Joao Edson Costa Maciel Junior's FIDE rating?
Joao Edson Costa Maciel Junior is currently rated 1,651 in classical chess, 1,640 in rapid and 1,666 in blitz. Peak classical rating: 1,722 (Oct 2024).
How many games has Joao Edson Costa Maciel Junior played?
Our database contains 40 games by Joao Edson Costa Maciel Junior, covering May 2024 to Oct 2026. Overall record: 12 wins, 5 draws, 23 losses (30.0% win rate).
How do I prepare against Joao Edson Costa Maciel Junior?
40 games by Joao Edson Costa Maciel 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.