Jonas Hacker
Last tournaments played
| Tournament | Date | Elo Avg. | Country |
| SixDays Budapest Nov IMA | 11/08/2025 | 2243 | Hungary |
| Faaborg CC 100th Ann GM | 10/13/2025 | 2420 | Denmark |
| 2nd Bundesliga Sud 25-26 | 09/27/2025 | 2358 | Germany |
| 18th Arad Open 2025 | 08/03/2025 | 2234 | Romania |
Jonas Hacker Opening Repertoire with White pieces
| ECO | Opening | Games |
| B31 | Sicilian, Nyezhmetdinov-Rossolimo attack (with ...g6, without ...d6) | 10 games |
| B51 | Sicilian, Canal-Sokolsky (Nimzovich-Rossolimo, Moscow) attack | 5 games |
| C53 | Giuoco Piano | 5 games |
| B94 | Sicilian, Najdorf, 6.Bg5 | 5 games |
Jonas Hacker Opening Repertoire with Black pieces
| ECO | Opening | Games |
| B40 | Sicilian defence | 11 games |
| A07 | Reti, King's Indian attack (Barcza system) | 8 games |
| E04 | Catalan, open, 5.Nf3 | 6 games |
| B48 | Sicilian, Taimanov variation | 6 games |
Germany
Male
FIDE ID:

Hungary
Denmark
Romania