Rantamaki, Aarni
Current rating: 1689
Record: 11-3-1
| Regional Championships Lille 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 126 | Cleary, William (1500) | Won 2-1 | +181518 |
| 2pioneer | 1 | Peng, Alexandre (1481) | Won 2-1 | +171535 |
| 3pioneer | 50 | Murgey, Alexandre (1815) | Won 2-0 | +231558 |
| 4pioneer | 19 | Szmatana, Patrik (1972) | Won 2-1 | +251583 |
| 5pioneer | 3 | Soto, Gabriel (1692) | Won 2-0 | +201603 |
| 6pioneer | 6 | Terradura, Claudio (1622) | Won 2-1 | +191622 |
| 7pioneer | 3 | Sanfeliu, Josep (1942) | Lost 0-2 | -131609 |
| 8pioneer | 16 | Schwendinger, Lukas (1570) | Draw 1-1 | 01609 |
| 9pioneer | 70 | Sifuentes, Francisco (1716) | Won 2-0 | +201629 |
| 10pioneer | 7 | Rolph, Sam-Luca (2059) | Lost 1-2 | -111618 |
| 11pioneer | 17 | Visser, Tyler (1837) | Won 2-1 | +221640 |
| 12pioneer | 13 | Silva, Marco (1805) | Won 2-0 | +211661 |
| 13pioneer | 7 | Santos, Andre (1904) | Won 2-0 | +221683 |
| 14pioneer | 4 | Ferreira, Mateo (1700) | Won 2-0 | +191702 |
| 15pioneer | 3 | Estratti, Samuele (1991) | Lost 0-2 | -131689 |
| average opponent: 1774record: 11-3-1 | new rating: 1689 | |||