Neff, Josef
Current rating: 1525
Record: 14-13-2
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1530 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 363 | Gil, Karel (1494) | Lost 0-2 | -191511 |
| 2sealed | 609 | Mahti, Achraf (1479) | Lost 1-2 | -181493 |
| 3sealed | 686 | Willeman, Julien (1464) | Won 2-0 | +171510 |
| 4sealed | 585 | Plagge, Adrian (1413) | Lost 1-2 | -201490 |
| 5sealed | 616 | Schad, Lucas (1451) | Won 2-0 | +181508 |
| 6sealed | 561 | Nolot, Nicolas (1480) | Won 2-0 | +171525 |
| top | average opponent: 1463record: 3-3 | new rating: 1525 | ||
| Grand Prix Warsaw 2018 (GRN limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 145 | Kleijwegt, Stefan (1523) | Won 2-1 | +181533 |
| 2sealed | 337 | Dramikjanin, Davor (1517) | Lost 1-2 | -191514 |
| 3sealed | 450 | Synakh, Kostyantyn (1550) | Lost 1-2 | -171497 |
| 4sealed | 650 | Brun, Michael (1382) | Lost 1-2 | -201477 |
| 5sealed | 770 | Glowalla, Jonas (1580) | Won 2-0 | +201497 |
| 6sealed | 601 | Jelinek, Jan (1332) | Won 2-0 | +151512 |
| 7sealed | 424 | Stefanovic, Igor (1487) | Won 2-1 | +171529 |
| 8sealed | 349 | Fregosi, Lorenzo (1554) | Draw 1-1 | +11530 |
| top | average opponent: 1491record: 4-3-1 | new rating: 1530 | ||
| Grand Prix Bologna 2017 (AKH limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 311 | Wache, Paul (1725) | Lost 1-2 | -131451 |
| 2sealed | 559 | Griffini, Massimo (1482) | Won 2-1 | +181469 |
| 3sealed | 653 | Meszaros, Adam (1496) | Lost 1-2 | -171452 |
| 4sealed | 721 | Fortunato, Enzo (1487) | Won 2-1 | +191471 |
| 5sealed | 547 | Guglielmini, Enrico (1672) | Won 2-1 | +211492 |
| 6sealed | 402 | Nguyen, Duc (1707) | Lost 0-2 | -141478 |
| 7sealed | 574 | Caiolo, Vito Salvatore (1455) | Won 2-1 | +181496 |
| 8sealed | 479 | Garuti, Francesco (1517) | Won 2-0 | +181514 |
| 9sealed | 209 | Schaumuller, Stephan (1547) | Draw 1-1 | +11515 |
| top | average opponent: 1565record: 5-3-1 | new rating: 1515 | ||
| Grand Prix Barcelona 2016 (SOI limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 507 | Lopez Martinez, Rafael Eusebio (1500) | Won 2-0 | +181518 |
| 2sealed | 30 | Vermeiren, Yves (1435) | Lost 0-2 | -201498 |
| 3sealed | 579 | Hinchcliff, Matthew (1499) | Won 2-1 | +181516 |
| 4sealed | 383 | Dupuy de Lome, Alejandro (1612) | Lost 0-2 | -161500 |
| 5sealed | 724 | Andreychenko, Sergey (1516) | Lost 0-2 | -171483 |
| 6sealed | 755 | Kulikov, Mikhail (1464) | Lost 0-2 | -191464 |
| top | average opponent: 1504record: 2-4 | new rating: 1464 | ||