Sheffer, Yoav
Current rating: 1471
Record: 5-7
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 714 | Sneijder, Stephen (1416) | Won 2-0 | +171507 |
| 2sealed | 903 | Bianchi, Luca (1518) | Won 2-1 | +181525 |
| 3sealed | 481 | Rebizant, Piotr (1540) | Lost 0-2 | -181507 |
| 4sealed | 435 | Dolstra, Menno (1540) | Lost 1-2 | -171490 |
| 5sealed | 602 | Kocet, Aleksandar (1441) | Lost 1-2 | -191471 |
| average opponent: 1491record: 2-3 | new rating: 1471 | |||
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 271 | Lukes, Bretislav (1772) | Lost 0-2 | -131487 |
| 2standard | 355 | De Haan, Rob (1747) | Lost 0-2 | -141473 |
| 3standard | 554 | Aarts, Sjoerd (1466) | Lost 1-2 | -181455 |
| 4standard | 595 | Meier, Dominik (1445) | Won 2-0 | +181473 |
| 5standard | 510 | Schardt, Torsten (1495) | Won 2-0 | +191492 |
| 6standard | 510 | Leikvold, Marius (1482) | Won 2-1 | +171509 |
| 7standard | 336 | Sanz, Alex (1438) | Lost 1-2 | -191490 |
| average opponent: 1549record: 3-4 | new rating: 1490 | |||