Havenne, Samuel
Current rating: 1436
Record: 4-8
| Grand Prix Lille 2018 (GRN standard) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 343 | Brochard-Garnier, Thomas (1500) | Lost 1-2 | -161410 |
| 2standard | 380 | Benlloch, Arturo (1438) | Won 2-1 | +181428 |
| 3standard | 404 | Reinhardt, Martin (1548) | Lost 1-2 | -161412 |
| 4standard | 579 | Vialatte, Jean-Charles (1491) | Won 2-1 | +201432 |
| 5standard | 445 | Obermuller, Florian (1574) | Lost 0-2 | -161416 |
| 6standard | 511 | Schauberger, Christopher (1485) | Won 2-0 | +201436 |
| average opponent: 1506record: 3-3 | new rating: 1436 | |||
| Grand Prix Brussels 2018 (M19 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 20 | Huurrekorpi, Thomas (1571) | Lost 0-2 | -171483 |
| 2standard | 252 | Jonas, Jeff (1328) | Lost 1-2 | -211462 |
| 3standard | 499 | Al Bader, Bader (1407) | Lost 0-2 | -191443 |
| 4standard | 536 | Clerge, Julien (1441) | Won 2-1 | +181461 |
| 5standard | 475 | Delille, Quentin (1512) | Lost 0-2 | -171444 |
| 6standard | 466 | Kocher, Manuel (1446) | Lost 1-2 | -181426 |
| average opponent: 1451record: 1-5 | new rating: 1426 | |||