Erbe, Jonas
Current rating: 1518
Record: 7-7-1
| Regional Championships Athens 2023 (pioneer) | starting rating: 1560 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 20 | Leung, Yat-Ka (1500) | Won 2-0 | +171577 |
| 2pioneer | 44 | Peral, Marc (1614) | Lost 0-2 | -181559 |
| 3pioneer | 74 | Degl'Innocenti, Alessio (1532) | Won 2-1 | +181577 |
| 4pioneer | 30 | Borgel, Nicolas (1538) | Lost 0-2 | -191558 |
| 5pioneer | 80 | Tamosiunas, Edvinas (1502) | Lost 1-2 | -191539 |
| 6pioneer | 122 | Etgar, Amit (1374) | Lost 0-2 | -211518 |
| average opponent: 1510record: 2-4 | new rating: 1518 | |||
| Regional Championships Sofia 2022 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 89 | Ramis Pascual, Toni (1927) | Won 2-1 | +251525 |
| 2pioneer | 21 | Nielsen, Martin Blichfeldt (1520) | Won 2-0 | +181543 |
| 3pioneer | 19 | Germain, Cedric (1734) | Draw 1-1 | +41547 |
| 4pioneer | 25 | Jirkal, Tomas (1671) | Lost 0-2 | -161531 |
| 5pioneer | 62 | Parlanti, Alessio (1551) | Lost 0-2 | -181513 |
| 6pioneer | 104 | Kyriazis, Ioannis (1715) | Won 2-1 | +221535 |
| 7pioneer | 69 | Pokorny, Tomas (1765) | Won 2-1 | +221557 |
| 8pioneer | 45 | Bruschi, Matteo (1575) | Won 2-1 | +181575 |
| 9pioneer | 31 | Ammirata, Antonino (1707) | Lost 0-2 | -151560 |
| average opponent: 1685record: 5-3-1 | new rating: 1560 | |||