Alexander Costello
Country
USA
Birth Year
2003
Gender
M
Title
International Master
FIDE ID
2099659
FIDE rating history
View rating lists
Available Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-10-05 (UTC).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-05-13 | Titled Tue 13th May Late | chess.com INT | 9 | Andres Ferriz Barrios | Alexander Costello | 0-1 | 27 | Open |
| 2 | 2025-05-13 | Titled Tue 13th May Late | chess.com INT | 8 | Inigo Argandona Riveiro | Alexander Costello | 0-1 | 40 | Open |
| 3 | 2025-05-13 | Titled Tue 13th May Late | chess.com INT | 7 | Alexander Costello | Arman Mikaelyan | 0-1 | 37 | Open |
| 4 | 2025-05-13 | Titled Tue 13th May Late | chess.com INT | 6 | Alexander Costello | Mladen Gajic | 1-0 | 30 | Open |
| 5 | 2025-05-13 | Titled Tue 13th May Late | chess.com INT | 5 | Timur Kocharin | Alexander Costello | 0-1 | 71 | Open |
| 6 | 2025-05-13 | Titled Tue 13th May Late | chess.com INT | 4 | Alexander Costello | Xavier Martinez Pla | 1-0 | 60 | Open |
| 7 | 2025-05-13 | Titled Tue 13th May Late | chess.com INT | 3 | Alain Fayard | Alexander Costello | 0-1 | 17 | Open |
| 8 | 2025-05-13 | Titled Tue 13th May Late | chess.com INT | 11 | Alexander Costello | Nebojsa M Ristic | 0-1 | 49 | Open |
| 9 | 2025-05-13 | Titled Tue 13th May Late | chess.com INT | 10 | Alexander Costello | Artem Bardyk | 0-1 | 32 | Open |
| 10 | 2025-04-22 | Titled Tue 22nd Apr Late | chess.com INT | 1 | Alexander Costello | Paul Powell | 1-0 | 30 | Open |
| 11 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 9 | Alexander Costello | Thomas Carroll | 1-0 | 29 | Open |
| 12 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 8 | Mahel Boyer | Alexander Costello | 1-0 | 36 | Open |
| 13 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 7 | Alexander Costello | Artem Dobrosmyslov | 1-0 | 29 | Open |
| 14 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 6 | Alexander Costello | Markus Ragger | 0-1 | 39 | Open |
| 15 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 5 | Alexander Khlebovich | Alexander Costello | 1-0 | 7 | Open |
| 16 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 4 | Alexander Costello | Rustam Rustamov | 1-0 | 64 | Open |
| 17 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 3 | Alexander Costello | Marlon Jodar Arias | 1-0 | 31 | Open |
| 18 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 2 | Marcel Beulen | Alexander Costello | 0-1 | 36 | Open |
| 19 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 11 | Tikhon Popov | Alexander Costello | 1-0 | 72 | Open |
| 20 | 2025-04-15 | Titled Tue 15th Apr Late | chess.com INT | 10 | Ethan Sheehan | Alexander Costello | 0-1 | 63 | Open |
| 21 | 2025-03-25 | Titled Tue 25th Mar Late | chess.com INT | 9 | Adam Gibala | Alexander Costello | 1/2-1/2 | 72 | Open |
| 22 | 2025-03-25 | Titled Tue 25th Mar Late | chess.com INT | 8 | Hubert Zieba | Alexander Costello | 1/2-1/2 | 58 | Open |
| 23 | 2025-03-25 | Titled Tue 25th Mar Late | chess.com INT | 7 | Alexander Costello | Havard Haug | 0-1 | 29 | Open |
| 24 | 2025-03-25 | Titled Tue 25th Mar Late | chess.com INT | 6 | Marcelo Villalba | Alexander Costello | 0-1 | 22 | Open |
| 25 | 2025-03-25 | Titled Tue 25th Mar Late | chess.com INT | 5 | Alexander Costello | Zbigniew Pakleza | 0-1 | 31 | Open |
| 26 | 2025-03-25 | Titled Tue 25th Mar Late | chess.com INT | 4 | Piero Mazzilli | Alexander Costello | 0-1 | 48 | Open |
| 27 | 2025-03-25 | Titled Tue 25th Mar Late | chess.com INT | 3 | Alexander Costello | Julian Groetzbach | 1-0 | 31 | Open |
| 28 | 2025-03-25 | Titled Tue 25th Mar Late | chess.com INT | 2 | Jacek Stachanczyk | Alexander Costello | 0-1 | 62 | Open |
| 29 | 2025-03-25 | Titled Tue 25th Mar Late | chess.com INT | 10 | Alexander Costello | Antoine Bournel | 0-1 | 16 | Open |
| 30 | 2025-03-11 | Titled Tue 11th Mar Late | chess.com INT | 1 | Jose Eduardo Martinez Alcantara | Alexander Costello | 1-0 | 71 | Open |
| 31 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 6 | Alexander Costello | Neeraj Harish | 0-1 | 56 | Open |
| 32 | 2025-03-04 | Titled Tue 4th Mar Late | chess.com INT | 5 | Alexander Costello | Bogusz Piliczewski | 1-0 | 46 | Open |
| 33 | 2025-02-25 | Titled Tue 25th Feb Late | chess.com INT | 1 | Albert Bokros | Alexander Costello | 0-1 | 25 | Open |
| 34 | 2024-06-18 | Titled Tue 18th Jun Early | chess.com INT | 1 | Ivan Zemlyanskii | Alexander Costello | 1-0 | 53 | Open |
| 35 | 2024-06-16 | ch-Southern California | Temecula USA | 7.1 | Alexander Costello | John Daniel Bryant | 1/2-1/2 | 21 | Open |
| 36 | 2024-06-16 | ch-Southern California | Temecula USA | 6.4 | Cemil Can Ali Marandi | Alexander Costello | 0-1 | 70 | Open |
| 37 | 2024-06-15 | ch-Southern California | Temecula USA | 5.2 | Alexander Costello | Gabriel Eidelman | 0-1 | 53 | Open |
| 38 | 2024-06-15 | ch-Southern California | Temecula USA | 4.3 | Robert Shlyakhtenko | Alexander Costello | 1-0 | 24 | Open |
| 39 | 2024-06-14 | ch-Southern California | Temecula USA | 3.3 | Alexander Costello | Vladimir Akopian | 1/2-1/2 | 73 | Open |
| 40 | 2024-06-14 | ch-Southern California | Temecula USA | 2.2 | Eduard Hakobyan | Alexander Costello | 1-0 | 40 | Open |
| 41 | 2024-06-13 | ch-Southern California | Temecula USA | 1.4 | Alexander Costello | Melikset Khachiyan | 1/2-1/2 | 45 | Open |
| 42 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 4 | Adam Kujawski | Alexander Costello | 1-0 | 35 | Open |
| 43 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 3 | Alexander Costello | Gabriel Lenoir Ibacache | 1-0 | 26 | Open |
| 44 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 2 | Aleksa Micic | Alexander Costello | 1-0 | 40 | Open |
| 45 | 2024-06-11 | Titled Tue 11th Jun Late | chess.com INT | 1 | Alexander Costello | Sujana Lohani | 0-1 | 35 | Open |
| 46 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 9 | Alexander Costello | Marcin Krzyzanowski | 0-1 | 52 | Open |
| 47 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 8 | Alexander Costello | Krzysztof Jakubowski | 1-0 | 23 | Open |
| 48 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 7 | Tanitoluwa Adewumi | Alexander Costello | 1/2-1/2 | 64 | Open |
| 49 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 6 | Francisco Fiorito | Alexander Costello | 0-1 | 53 | Open |
| 50 | 2024-06-04 | Titled Tue 4th Jun Late | chess.com INT | 5 | Alexander Costello | Tufan Can Uzuner | 1-0 | 34 | Open |
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