Prepare against Guilherme Exterhotter Bastos
Brazil · World #51,671 classical · FIDE ID 2121557
When preparing against Guilherme Exterhotter Bastos, expect 1.d4 in 84% of White games. Against 1.e4 the reply is 1...Nf6 (90% of games); against 1.d4, 1...d5 (90%). Lowest win rate among frequent openings: London System as White, 45.5% over 55 games.
Our database contains 198 games by Guilherme Exterhotter Bastos, covering May 2010 to Aug 2026. Below you'll find Guilherme Exterhotter Bastos's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Guilherme Exterhotter Bastos 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 | 1,886 | 2,035 | Mar 2011 |
| Rapid | 1,901 | 1,963 | Oct 2017 |
| Blitz | 1,885 | 1,958 | Jan 2014 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 198 | 87 | 46 | 65 | 43.9% |
| As White | 103 | 42 | 26 | 35 | 40.8% |
| As Black | 95 | 45 | 20 | 30 | 47.4% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Guilherme Exterhotter Bastos's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Guilherme Exterhotter Bastos's side.
First moves as White (103 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d4 | 87 | 84.5% | 54.0% |
| e4 | 16 | 15.5% | 50.0% |
Main lines as White
- 1.d4 — 84% of White games, 54.0% score
- …Nf6 (55% of these games) — Bastos usually continues Bf4 (31.5% score)
- …d5 (29% of these games) — Bastos usually continues Bf4 (77.3% score)
- …e6 (6% of these games) — Bastos usually continues Bf4 (33.3% score)
- 1.e4 — 16% of White games, 50.0% score
- …e5 (38% of these games) — Bastos usually continues Nf3 (50.0% score)
- …c5 (19% of these games) — Bastos usually continues Nc3 (100.0% score)
- …e6 (19% of these games) — Bastos usually continues d4 (66.7% score)
As Black against 1.e4 (49 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 44 | 89.8% | 73.9% |
| c6 | 3 | 6.1% | 66.7% |
| e5 | 2 | 4.1% | 25.0% |
As Black against 1.d4 (31 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| d5 | 28 | 90.3% | 37.5% |
| e5 | 3 | 9.7% | 100.0% |
Guilherme Exterhotter Bastos's chess games
All 198 games by Guilherme Exterhotter Bastos in the Chess.ceo database (May 2010 - Aug 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: 87 wins, 46 draws, 65 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| D02 | London System | 55 | 25/11/19 | 45.5% |
| A45 | Trompowsky Attack | 10 | 3/5/2 | 30.0% |
| D02 | Queen's Pawn Game | 5 | 2/2/1 | 40.0% |
| D02 | Indian Defense | 5 | 1/2/2 | 20.0% |
| A80 | Dutch Defense | 4 | 3/0/1 | 75.0% |
| C01 | French: Exchange Variation | 4 | 1/2/1 | 25.0% |
| A80 | Horwitz Defense | 3 | 1/0/2 | 33.3% |
| C57 | Italian Game: Two Knights Defense | 2 | 1/0/1 | 50.0% |
| C20 | Bishop's Opening | 2 | 0/0/2 | 0.0% |
| B07 | Modern Defense | 2 | 1/1/0 | 50.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B02 | Alekhine Defense | 44 | 29/7/8 | 65.9% |
| D02 | Queen's Pawn Game | 14 | 4/5/5 | 28.6% |
| D10 | Slav Defense | 12 | 2/4/6 | 16.7% |
| A40 | Englund Gambit | 3 | 3/0/0 | 100.0% |
| D06 | Queen's Gambit | 3 | 0/1/2 | 0.0% |
| A03 | Bird's opening | 2 | 0/0/2 | 0.0% |
| D11 | English Opening: Slav Setup | 2 | 2/0/0 | 100.0% |
| D02 | London System | 2 | 1/0/1 | 50.0% |
| A06 | Nimzo-Larsen Attack | 2 | 0/0/2 | 0.0% |
| A09 | Réti Opening | 2 | 1/1/0 | 50.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Feb 2014 | Vanessa Feliciano Ebert | 2,265 | 2nd Sao Bento do Sul Open | A47 |
| Dec 2010 | Justo Reinaldo Chemin | 2,222 | Curitiba Jabur Memorial Open | B22 |
| Jan 2017 | Shannon Hill Bruce | 2,152 | 3rd Florianopolis Open | A46 |
| Jul 2013 | Martin Daneri | 2,129 | 3rd Maringa Open | A80 |
| Jan 2025 | Rafael Araujo Serpa | 2,094 | 11th Floripa Open | D00 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| ch-BRA U18 | 2012 | 13 | 7.5 | 1,960 |
| ch-Catarinense U20 | 2013 | 12 | 9.5 | 2,071 |
| 6th Florianopolis Open | 2020 | 10 | 5.5 | 1,828 |
| 3rd Florianopolis Open | 2017 | 10 | 6.5 | 1,991 |
| Sao Paulo Braga Open | 2011 | 9 | 4.5 | 2,130 |
| 5th Florianopolis Open | 2019 | 9 | 4.5 | 1,823 |
| Maringa Open | 2011 | 7 | 4 | 2,223 |
| 11th Floripa Open | 2025 | 7 | 5 | 2,032 |
Interactive opening tree from all 198 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Guilherme Exterhotter Bastos's chess games?
198 games by Guilherme Exterhotter Bastos, from May 2010 to Aug 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 Guilherme Exterhotter Bastos has played.
What does Guilherme Exterhotter Bastos play on the first move as White?
Across 103 games with White in our database, Guilherme Exterhotter Bastos opens with 1.d4 (84% of games), 1.e4 (16% of games). Against 1.e4 as Black, Guilherme Exterhotter Bastos answers 1...Nf6 (90% of games), 1...c6 (6% of games), 1...e5 (4% of games). Against 1.d4: 1...d5 (90% of games), 1...e5 (10% of games).
What openings does Guilherme Exterhotter Bastos play as White?
As White, Guilherme Exterhotter Bastos's most-played openings in our database are: London System (55 games, 45.5% win rate); Trompowsky Attack (10 games, 30.0% win rate); Queen's Pawn Game (5 games, 40.0% win rate). The full breakdown of 103 games with White is in the table above.
What openings does Guilherme Exterhotter Bastos play as Black?
As Black, Guilherme Exterhotter Bastos most often plays: Alekhine Defense (44 games, 65.9% win rate); Queen's Pawn Game (14 games, 28.6% win rate); Slav Defense (12 games, 16.7% win rate). See the table above for the top ten Black openings across 95 games.
What is Guilherme Exterhotter Bastos's FIDE rating?
Guilherme Exterhotter Bastos is currently rated 1,886 in classical chess, 1,901 in rapid and 1,885 in blitz. Peak classical rating: 2,035 (Mar 2011).
How many games has Guilherme Exterhotter Bastos played?
Our database contains 198 games by Guilherme Exterhotter Bastos, covering May 2010 to Aug 2026. Overall record: 87 wins, 46 draws, 65 losses (43.9% win rate).
How do I prepare against Guilherme Exterhotter Bastos?
198 games by Guilherme Exterhotter Bastos 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.