Jacoby, Rick
Current rating: 1469
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 474 | Dorle, Anthony (1733) | Lost 0-2 | -131435 |
| 2sealed | 1351 | Gehrts, Bruno Regis Heino (1303) | Won 2-1 | +161451 |
| 3sealed | 609 | Fischer, Hans Christian (1548) | Won 2-1 | +201471 |
| 4sealed | 710 | Valkenberg, Anton (1523) | Won 2-0 | +191490 |
| 5sealed | 441 | Koch, Rene (1607) | Won 2-0 | +201510 |
| 6sealed | 93 | Richards, Branoc (1603) | Lost 1-2 | -161494 |
| 7sealed | 302 | Beerens, Stefan (1495) | Won 2-1 | +181512 |
| 8sealed | 165 | Janik, Maciej (1842) | Won 2-1 | +231535 |
| 9sealed | 718 | Tomizawa, Shin (1849) | Lost 1-2 | -121523 |
| 10draft | 655 | Neukirchen, Daniel (1653) | Lost 0-2 | -161507 |
| 11draft | 688 | Kubat, Jaroslav (1503) | Lost 1-2 | -181489 |
| 12draft | 607 | Fayard, Pierre (1710) | Lost 0-2 | -141475 |
| 13draft | 720 | Klakauskas, Paulius (1598) | Won 2-0 | +201495 |
| 14draft | 674 | Marek, Krzysztof (1833) | Lost 0-2 | -121483 |
| 15draft | 597 | Steudtner, Christian (1698) | Lost 0-2 | -141469 |
| top | average opponent: 1633record: 7-8 | new rating: 1469 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 330 | Clobus, Eelco (1444) | Won 0-0 | +181479 |
| 2standard | 414 | Budde, Jan-Philipp (1696) | Lost 0-0 | -141465 |
| 3standard | 552 | Van Volsem, Geert (1295) | Lost 0-2 | -211444 |
| 4standard | 703 | Schroers, Alexander (1504) | Won 2-1 | +191463 |
| 5standard | 647 | Drohberg, Philipp (1651) | Lost 1-2 | -151448 |
| top | average opponent: 1518record: 2-3 | new rating: 1448 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 292 | Jansen, Sepp (1501) | Lost 0-1 | -181482 |
| 2standard | 574 | van de Ven, Gijs (1497) | Draw 1-1 | 01482 |
| 3standard | 611 | Hallavo, Ville (1450) | Lost 0-2 | -181464 |
| 4standard | 681 | Lemmen, Rick (1464) | Won 2-1 | +181482 |
| 5standard | 582 | Cops, Bram (1434) | Lost 1-2 | -191463 |
| 6standard | 579 | Michel, Damien (1463) | Draw 1-1 | 01463 |
| 7standard | 498 | wolting, robin (1466) | Lost 1-2 | -181445 |
| 8standard | 438 | Klaverwijden, Hans (1424) | Won 2-0 | +181463 |
| 9standard | 371 | Pignon, Jean-Marie (1397) | Draw 1-1 | -21461 |
| top | average opponent: 1455record: 2-4-3 | new rating: 1461 | ||