Naumann, Davis
Current rating: 1554
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 712 | Bulegato, Davide (1500) | Lost 1-2 | -181495 |
| 2sealed | 1065 | Schaefer, Marius (1548) | Lost 0-2 | -171478 |
| 3sealed | 1079 | Lilek, Nenad (1534) | Won 2-0 | +191497 |
| 4sealed | 1057 | Morsel, Ingo (1523) | Won 2-1 | +191516 |
| 5sealed | 680 | Cunha, Nelson (1535) | Won 2-0 | +181534 |
| 6sealed | 568 | Laquian, Daniel (1556) | Won 2-1 | +181552 |
| 7sealed | 406 | Demeyer, Therence (1498) | Won 2-1 | +171569 |
| 8sealed | 257 | Koren, Tamir (1739) | Lost 1-2 | -151554 |
| top | average opponent: 1554record: 5-3 | new rating: 1554 | ||
| Grand Prix Stockholm 2018 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 62 | Pettersen, Bjorn-Andreas (1446) | Won 2-1 | +181484 |
| 2modern | 262 | Bjorklund, Charles (1668) | Won 2-0 | +211505 |
| 3modern | 116 | Lorenc, Michal (1815) | Lost 0-2 | -131492 |
| 4modern | 379 | Kreijne, Jeroen (1543) | Won 2-0 | +191511 |
| 5modern | 233 | Widberg, Per-Johan (1513) | Won 2-0 | +181529 |
| 6modern | 107 | Harjuniemi, Daniel (1488) | Won 2-0 | +181547 |
| 7modern | 76 | Savolainen, Pentti (1574) | Lost 0-2 | -181529 |
| 8modern | 95 | Frilund, Michael (1662) | Lost 1-2 | -161513 |
| top | average opponent: 1589record: 5-3 | new rating: 1513 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 441 | Fries, Stefan (1716) | Lost 0-2 | -141486 |
| 2modern | 569 | Misina, Matej (1482) | Won 2-0 | +181504 |
| 3modern | 768 | Wallman, Thomas (1504) | Lost 0-2 | -181486 |
| 4modern | 850 | Curiche, Mikael (1534) | Lost 0-2 | -171469 |
| 5modern | 805 | Prokop, Sebastian (1431) | Won 2-0 | +171486 |
| 6modern | 652 | Holubec, Ondrej (1367) | Lost 0-2 | -201466 |
| 7modern | 668 | Gawronski, Mikolaj (1467) | Lost 1-2 | -181448 |
| 8modern | 615 | Kraus, Marcin (1451) | Won 2-0 | +181466 |
| top | average opponent: 1494record: 3-5 | new rating: 1466 | ||