- Name:
- Alexander Costello
- Federation:
United States- Sex:
- Male
- Born:
- 2003
- FIDE ID:
- 2099659 FIDE Profile
- Title:
- International Master
- ELO Classic:
- 2257
- ELO Blitz:
- 2189
- Years:
- 2019 - 2024
- Total Games:
- 45
- Wins:
- 12 (26.67 %)
- Draws:
- 10 (22.22 %)
- Losses:
- 23 (51.11 %)
- Score:
- 37.78 %
Alexander Costello
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
|---|---|---|---|
| ch-Southern California | 06/13/2024 | 2404 |
United States |
| 56th Biel Master Open | 07/17/2023 | 2298 | 
Switzerland |
| National Open 2023 | 06/14/2023 | 2233 |
United States |
| US Chess Masters 2022 | 11/23/2022 | 2364 |
United States |
Most Played Openings as White
| ECO | Opening | Games |
|---|---|---|
| B90 | Sicilian, Najdorf | 2 games |
| B09 | Pirc, Austrian attack | 1 games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 1 games |
| C79 | Ruy Lopez, Steinitz defence deferred (Russian defence) | 1 games |
Most Played Openings as Black
| ECO | Opening | Games |
|---|---|---|
| B30 | Sicilian defence | 3 games |
| A15 | English, 1...Nf6 (Anglo-Indian defense) | 3 games |
| C95 | Ruy Lopez, closed, Breyer, 10.d4 | 2 games |
| C53 | Giuoco Piano | 2 games |
Games played by Alexander Costello
| White | Elo | Black | Elo | Result | Moves | ECO | Year | Tournament | Moves |
|---|---|---|---|---|---|---|---|---|---|
| Ali Marandi, C | 2511 | Costello, A | 2219 | 0-1 | 70 | B30 | 2024 | ch-Southern California | |
| B302024ch-Southern California | |||||||||
| Costello, A | 2219 | Bryant, J | 2404 | ½-½ | 21 | E68 | 2024 | ch-Southern California | |
| E682024ch-Southern California | |||||||||
| Costello, A | 2219 | Eidelman, G | 2376 | 0-1 | 53 | C79 | 2024 | ch-Southern California | |
| C792024ch-Southern California | |||||||||
| Shlyakhtenko, R | 2402 | Costello, A | 2219 | 1-0 | 24 | E40 | 2024 | ch-Southern California | |
| E402024ch-Southern California | |||||||||
| Hakobyan, E | 2297 | Costello, A | 2219 | 1-0 | 40 | A22 | 2024 | ch-Southern California | |
| A222024ch-Southern California | |||||||||
| Costello, A | 2219 | Akopian, V | 2586 | ½-½ | 73 | C15 | 2024 | ch-Southern California | |
| C152024ch-Southern California | |||||||||
| Costello, A | 2219 | Khachiyan, M | 2435 | ½-½ | 45 | B35 | 2024 | ch-Southern California | |
| B352024ch-Southern California | |||||||||
| Matsumura, C | 2081 | Costello, A | 2224 | 0-1 | 74 | B30 | 2023 | 56th Biel Master Open | |
| B30202356th Biel Master Open | |||||||||
| Costello, A | 2224 | Prieb, R | 2060 | ½-½ | 88 | A15 | 2023 | 56th Biel Master Open | |
| A15202356th Biel Master Open | |||||||||
| Morawietz, D | 2396 | Costello, A | 2224 | 1-0 | 34 | D80 | 2023 | 56th Biel Master Open | |
| D80202356th Biel Master Open | |||||||||
| Costello, A | 2224 | Collin, M | 2132 | 1-0 | 26 | A20 | 2023 | 56th Biel Master Open | |
| A20202356th Biel Master Open | |||||||||
| Sukandar, I | 2358 | Costello, A | 2224 | 1-0 | 67 | B30 | 2023 | 56th Biel Master Open | |
| B30202356th Biel Master Open | |||||||||
| Costello, A | 2224 | Seul, G | 2376 | ½-½ | 26 | C02 | 2023 | 56th Biel Master Open | |
| C02202356th Biel Master Open | |||||||||
| Akshit Kumar J, | 2105 | Costello, A | 2224 | 0-1 | 41 | C53 | 2023 | 56th Biel Master Open | |
| C53202356th Biel Master Open | |||||||||
| Costello, A | 2224 | Vantika Agrawal, | 2428 | 0-1 | 52 | B51 | 2023 | 56th Biel Master Open | |
| B51202356th Biel Master Open | |||||||||
| Stijve, N | 2088 | Costello, A | 2224 | 0-1 | 37 | B32 | 2023 | 56th Biel Master Open | |
| B32202356th Biel Master Open | |||||||||
| Costello, A | 2224 | Rodrigue-Lemieux, S | 2495 | 0-1 | 40 | D38 | 2023 | 56th Biel Master Open | |
| D38202356th Biel Master Open | |||||||||
| Costello, A | 2186 | Tang, Z | 2348 | 1-0 | 69 | B54 | 2023 | National Open 2023 | |
| B542023National Open 2023 | |||||||||
| Chasin, N | 2459 | Costello, A | 2186 | 1-0 | 62 | A15 | 2023 | National Open 2023 | |
| A152023National Open 2023 | |||||||||
| Costello, A | 2186 | Heimann, M | 2426 | ½-½ | 45 | A06 | 2023 | National Open 2023 | |
| A062023National Open 2023 | |||||||||
| Wen, T | 2433 | Costello, A | 2186 | 1-0 | 67 | C96 | 2023 | National Open 2023 | |
| C962023National Open 2023 | |||||||||
| Theodorou, N | 2598 | Costello, A | 2224 | 1-0 | 38 | A15 | 2022 | US Chess Masters 2022 | |
| A152022US Chess Masters 2022 | |||||||||
| Costello, A | 2243 | Liang, A | 2597 | 0-1 | 14 | B10 | 2021 | 31st North American Open | |
| B10202131st North American Open | |||||||||
| Gardezi, A | 2016 | Costello, A | 2243 | 0-1 | 14 | B47 | 2021 | 31st North American Open | |
| B47202131st North American Open | |||||||||
| Shabalov, A | 2504 | Costello, A | 2243 | ½-½ | 38 | C96 | 2021 | 31st North American Open | |
| C96202131st North American Open | |||||||||
| Yoo, C | 2457 | Costello, A | 2259 | 1-0 | 60 | E15 | 2021 | National Open 2021 | |
| E152021National Open 2021 | |||||||||
| Shetty, A | 2461 | Costello, A | 2259 | 1-0 | 63 | A20 | 2021 | National Open 2021 | |
| A202021National Open 2021 | |||||||||
| Costello, A | 2297 | Stearman, J | 2297 | 0-1 | 33 | B33 | 2019 | ch-USA Cadet 2019 | |
| B332019ch-USA Cadet 2019 | |||||||||
| Costello, A | 2297 | Shlyakhtenko, R | 2206 | 0-1 | 50 | B06 | 2019 | ch-USA Cadet 2019 | |
| B062019ch-USA Cadet 2019 | |||||||||
| Costello, A | 2297 | Niemann, H | 2460 | 0-1 | 45 | B90 | 2019 | ch-USA Cadet 2019 | |
| B902019ch-USA Cadet 2019 | |||||||||
| Wu, R | 2184 | Costello, A | 2297 | 0-1 | 87 | E60 | 2019 | ch-USA Cadet 2019 | |
| E602019ch-USA Cadet 2019 | |||||||||
| Costello, A | 2297 | Hong, A | 2414 | 0-1 | 93 | B90 | 2019 | ch-USA Cadet 2019 | |
| B902019ch-USA Cadet 2019 | |||||||||
| Wang, J | 2444 | Costello, A | 2297 | 1-0 | 58 | C95 | 2019 | ch-USA Cadet 2019 | |
| C952019ch-USA Cadet 2019 | |||||||||
| Ke, I | 2332 | Costello, A | 2297 | 1-0 | 39 | E60 | 2019 | ch-USA Cadet 2019 | |
| E602019ch-USA Cadet 2019 | |||||||||
| Shetty, A | 2431 | Costello, A | 2297 | ½-½ | 36 | A20 | 2019 | National Open 2019 | |
| A202019National Open 2019 | |||||||||
| Li, R | 2546 | Costello, A | 2297 | 1-0 | 67 | C53 | 2019 | National Open 2019 | |
| C532019National Open 2019 | |||||||||
| Javakhadze, Z | 2449 | Costello, A | 2231 | 0-1 | 60 | A05 | 2019 | Bay Area Int Open 2019 | |
| A052019Bay Area Int Open 2019 | |||||||||
| Costello, A | 2231 | Ampie, M | 2318 | ½-½ | 21 | B48 | 2019 | Bay Area Int Open 2019 | |
| B482019Bay Area Int Open 2019 | |||||||||
| Jacobson, B | 2404 | Costello, A | 2231 | 1-0 | 36 | A00 | 2019 | Bay Area Int Open 2019 | |
| A002019Bay Area Int Open 2019 | |||||||||
| Costello, A | 2231 | Ezra Paul Chambers, | 2360 | 1-0 | 20 | B00 | 2019 | Bay Area Int Open 2019 | |
| B002019Bay Area Int Open 2019 | |||||||||