Prepare against Alexander Costello
IM · United States · World #5,323 classical · FIDE ID 2099659
Our database contains 180 games by Alexander Costello, covering Jan 2014 to Jul 2026. Below you'll find Alexander Costello's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Alexander Costello 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 | 2,265 | 2,302 | Feb 2019 |
| Blitz | 2,189 | 2,213 | Jan 2023 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 180 | 75 | 25 | 80 | 41.7% |
| As White | 89 | 40 | 12 | 37 | 44.9% |
| As Black | 91 | 35 | 13 | 43 | 38.5% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Alexander Costello's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Alexander Costello's side.
First moves as White (89 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 66 | 74.2% | 52.3% |
| Nf3 | 19 | 21.3% | 44.7% |
| c4 | 3 | 3.4% | 66.7% |
| h4 | 1 | 1.1% | 100.0% |
Main lines as White
- 1.e4 — 74% of White games, 52.3% score
- …c5 (52% of these games) — Costello usually continues Nf3 (64.5% score)
- …c6 (18% of these games) — Costello usually continues d4 (50.0% score)
- …e6 (9% of these games) — Costello usually continues d4 (8.3% score)
- 1.Nf3 — 21% of White games, 44.7% score
- …d5 (58% of these games) — Costello usually continues e3 (50.0% score)
- …Nf6 (32% of these games) — Costello usually continues c4 (60.0% score)
- …c5 (11% of these games) — Costello usually continues c4 (100.0% score)
As Black against 1.e4 (38 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 23 | 60.5% | 37.0% |
| c5 | 14 | 36.8% | 60.7% |
| d5 | 1 | 2.6% | 100.0% |
As Black against 1.d4 (34 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 24 | 70.6% | 41.7% |
| d5 | 10 | 29.4% | 60.0% |
Alexander Costello's chess games
All 180 games by Alexander Costello in the Chess.ceo database (Jan 2014 - 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: 75 wins, 25 draws, 80 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| B32 | Sicilian | 11 | 9/0/2 | 81.8% |
| A06 | Réti Opening | 7 | 3/1/3 | 42.9% |
| B90 | Sicilian: Najdorf | 6 | 2/0/4 | 33.3% |
| A10 | English Opening | 5 | 2/2/1 | 40.0% |
| B48 | Sicilian: Taimanov | 4 | 3/1/0 | 75.0% |
| B35 | Sicilian: Accelerated Dragon | 4 | 2/1/1 | 50.0% |
| B12 | Caro-Kann: Advance Variation | 4 | 2/1/1 | 50.0% |
| B11 | Caro-Kann | 3 | 2/0/1 | 66.7% |
| B17 | Caro-Kann: Karpov Variation | 3 | 0/2/1 | 0.0% |
| C01 | French: Winawer Variation | 3 | 0/1/2 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C95 | Ruy Lopez: Closed | 11 | 1/3/7 | 9.1% |
| A09 | Réti Opening | 7 | 3/2/2 | 42.9% |
| D25 | Queen's Gambit Accepted | 7 | 4/0/3 | 57.1% |
| D85 | Grünfeld Defense | 6 | 3/1/2 | 50.0% |
| B48 | Sicilian: Taimanov | 6 | 4/1/1 | 66.7% |
| A20 | English Opening: Reverse Sicilian | 4 | 0/1/3 | 0.0% |
| E60 | Anti-Grünfeld | 4 | 2/1/1 | 50.0% |
| B33 | Sicilian | 4 | 2/0/2 | 50.0% |
| E41 | Nimzo-Indian: Rubinstein System | 3 | 0/1/2 | 0.0% |
| A48 | Indian Defense | 3 | 1/1/1 | 33.3% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Nov 2022 | Georg Meier | 2,615 | Speed Chess Q2 | A05 |
| Jun 2024 | Cemil Can Ali Marandi | 2,511 | ch-Southern California | B30 |
| Jun 2024 | Krzysztof Jakubowski | 2,457 | Titled Tue Late | B48 |
| Jan 2019 | Zurab Javakhadze | 2,449 | Bay Area Open | A05 |
| Nov 2022 | Srihari L R | 2,436 | Speed Chess Q2 | D13 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| Titled Tuesday | 2025 | 49 | 28 | 2,345 |
| Speed Chess Q2 | 2022 | 14 | 6.5 | 2,393 |
| Wch U10 | 2013 | 11 | 6 | 1,684 |
| Wch U14 | 2017 | 11 | 7.5 | 2,274 |
| 56th Biel HTO | 2023 | 10 | 5 | 2,251 |
| PNWCC Online Masters | 2020 | 9 | 4 | 2,069 |
| 48th World Open | 2020 | 9 | 4 | 2,021 |
| Las Vegas National Open | 2023 | 9 | 2 | 2,239 |
Interactive opening tree from all 180 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Alexander Costello's chess games?
180 games by Alexander Costello, from Jan 2014 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 Alexander Costello has played.
What does Alexander Costello play on the first move as White?
Across 89 games with White in our database, Alexander Costello opens with 1.e4 (74% of games), 1.Nf3 (21% of games), 1.c4 (3% of games). Against 1.e4 as Black, Alexander Costello answers 1...e5 (61% of games), 1...c5 (37% of games), 1...d5 (3% of games). Against 1.d4: 1...Nf6 (71% of games), 1...d5 (29% of games).
What openings does Alexander Costello play as White?
As White, Alexander Costello's most-played openings in our database are: Sicilian (11 games, 81.8% win rate); Réti Opening (7 games, 42.9% win rate); Sicilian: Najdorf (6 games, 33.3% win rate). The full breakdown of 89 games with White is in the table above.
What openings does Alexander Costello play as Black?
As Black, Alexander Costello most often plays: Ruy Lopez: Closed (11 games, 9.1% win rate); Réti Opening (7 games, 42.9% win rate); Queen's Gambit Accepted (7 games, 57.1% win rate). See the table above for the top ten Black openings across 91 games.
What is Alexander Costello's FIDE rating?
Alexander Costello is currently rated 2,265 in classical chess and 2,189 in blitz. Peak classical rating: 2,302 (Feb 2019).
How many games has Alexander Costello played?
Our database contains 180 games by Alexander Costello, covering Jan 2014 to Jul 2026. Overall record: 75 wins, 25 draws, 80 losses (41.7% win rate).
How do I prepare against Alexander Costello?
180 games by Alexander Costello 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.