Dumez, Lou
Current rating: 1451
Record: 5-9
| Regional Championships Lille 2023 (pioneer) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 240 | Gimenez Ortega, Alexander (1539) | Won 2-1 | +191521 |
| 2pioneer | 115 | Zouhair, Yacin (1409) | Lost 1-2 | -201501 |
| 3pioneer | 194 | Berte, Antonio (1459) | Lost 0-2 | -191482 |
| 4pioneer | 222 | Sapagovas, Rolandas (1463) | Lost 0-2 | -181464 |
| 5pioneer | 282 | Montefiori, Giovanni (1732) | Lost 0-2 | -131451 |
| average opponent: 1520record: 1-4 | new rating: 1451 | |||
| Regional Championships Athens 2023 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 177 | Vinther, Nicolai (1596) | Won 2-0 | +201520 |
| 2pioneer | 96 | Eloranta, Joonas (2048) | Won 2-0 | +271547 |
| 3pioneer | 38 | Serraarens, Terrence (1750) | Won 2-0 | +211568 |
| 4pioneer | 12 | Tlili, Luca (1549) | Lost 0-2 | -181550 |
| 5pioneer | 49 | Sanchez Garrido, Ricardo (1841) | Lost 1-2 | -131537 |
| 6pioneer | 109 | Vervoort, Max (1572) | Lost 0-2 | -171520 |
| 7pioneer | 122 | Mendes, Telmo (1480) | Lost 1-2 | -191501 |
| 8pioneer | 120 | Mendoza Euba, Ignacio (1604) | Won 2-1 | +201521 |
| 9pioneer | 105 | CABILLIC-GUINEBAULT, Allan (1498) | Lost 1-2 | -191502 |
| average opponent: 1660record: 4-5 | new rating: 1502 | |||