Majchrzak, Robert
Current rating: 1506
Record: 7-7
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1567 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 75 | Krapu, Dan (1500) | Lost 0-2 | -191548 |
| 2standard | 318 | Dorian, Tevan (1438) | Won 2-1 | +161564 |
| 3standard | 517 | Wilke, Dustin (1457) | Lost 1-2 | -201544 |
| 4standard | 528 | Troutt, Bryan (1480) | Lost 0-2 | -191525 |
| 5standard | 526 | Schumacher, Tyler (1466) | Lost 0-2 | -191506 |
| average opponent: 1468record: 1-4 | new rating: 1506 | |||
| Grand Prix Indianapolis 2008 (SHM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 61 | Page, Chad (1500) | Won 2-1 | +181518 |
| 2sealed | 139 | Coval, Brian (1500) | Won 2-0 | +181536 |
| 3sealed | 31 | Landale, Tim (1607) | Won 2-0 | +191555 |
| 4sealed | 18 | Wehrmacher, Karl P (1537) | Won 2-1 | +181573 |
| 5sealed | 8 | Higdon, Nigel (1689) | Won 2-0 | +201593 |
| 6sealed | 2 | Cores, Ari (1680) | Won 2-0 | +191612 |
| 7sealed | 11 | Wright, Randy (1710) | Lost 1-2 | -161596 |
| 8sealed | 22 | Aden, Eli (1667) | Lost 1-2 | -171579 |
| 9sealed | 52 | Walls, Gabe (1923) | Lost 0-2 | -121567 |
| average opponent: 1646record: 6-3 | new rating: 1567 | |||