Slovakia
Male
FIDE ID:
Sebastian Lukas Kostolansky
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| Texas Collegiate Finals | 10/25/2025 | 2399 |  United States |
| 53rd Annual World Open | 07/02/2025 | 2305 | United States |
| 34th Chicago Open 2025 | 05/22/2025 | 2330 | United States |
| Pan-Am Intercollegiate | 01/02/2025 | 2235 | United States |
Sebastian Lukas Kostolansky Opening Repertoire with White pieces
| ECO | Opening | Games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 10 games |
| B52 | Sicilian, Canal-Sokolsky attack, 3...Bd7 | 9 games |
| C88 | Ruy Lopez, closed | 6 games |
| B50 | Sicilian | 6 games |
Sebastian Lukas Kostolansky Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B48 | Sicilian, Taimanov variation | 13 games |
| B40 | Sicilian defence | 11 games |
| E06 | Catalan, closed, 5.Nf3 | 8 games |
| B07 | Pirc defence | 5 games |
