Tibbets, Brian
Current rating: 1366
| Grand Prix Minneapolis 2018 (M19 limited) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 182 | Preeshl, Tony (1560) | Lost 1-2 | -151413 |
| 2sealed | 451 | Wiznitzer, Aryeh (1754) | Lost 1-2 | -121401 |
| 3sealed | 595 | Ohren, Chase (1468) | Won 2-1 | +191420 |
| 4sealed | 548 | Guild, Corey (1499) | Lost 1-2 | -171403 |
| 5sealed | 537 | Title, Harper (1464) | Lost 0-2 | -161387 |
| 6sealed | 462 | Kindler, Jim (1269) | Lost 0-2 | -211366 |
| top | average opponent: 1502record: 1-5 | new rating: 1366 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1463 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 321 | Blake, Amber (1373) | Lost 0-2 | -191444 |
| 2legacy | 804 | Marcus, Adam (1482) | Won 2-0 | +181462 |
| 3legacy | 902 | Knaack, Aaron (1390) | Lost 1-2 | -191443 |
| 4legacy | 856 | Schick, Alan (1530) | Lost 0-2 | -161427 |
| 5legacy | 1007 | Kroeger, Travis (1464) | Won 2-0 | +181445 |
| 6legacy | 832 | McCoury, James (1506) | Lost 0-2 | -171428 |
| top | average opponent: 1457record: 2-4 | new rating: 1428 | ||
| Grand Prix Phoenix 2014 (BNG standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 159 | Riess, Nicholas (1500) | Lost 1-2 | -181482 |
| 2standard | 472 | Hanson, Megan (1481) | Won 2-1 | +181500 |
| 3standard | 559 | Sichta, Kyle (1466) | Lost 1-2 | -191481 |
| 4standard | 569 | Peternell, Raymond (1480) | Lost 0-2 | -181463 |
| top | average opponent: 1482record: 1-3 | new rating: 1463 | ||