Rosenzweig, Shigeo
Current rating: 1500
Record: 6-6
| Grand Prix Hartford 2018 (modern) | starting rating: 1557 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 248 | Nephew, Brian (1500) | Lost 0-2 | -191538 |
| 2modern | 708 | Dankoff, Theo (1482) | Lost 0-2 | -191519 |
| 3modern | 868 | Kerkau, Mathew (1467) | Lost 0-2 | -191500 |
| average opponent: 1483record: 0-3 | new rating: 1500 | |||
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 524 | Wisniewski, Mark (1500) | Won 2-0 | +181518 |
| 2modern | 609 | Schwab, Jason (1047) | Won 2-1 | +101528 |
| 3modern | 503 | Reed, David (1703) | Won 2-0 | +211549 |
| 4modern | 28 | Fennen, Adam (1525) | Won 2-1 | +181567 |
| 5modern | 109 | Martin, TJ (1553) | Lost 0-2 | -191548 |
| 6modern | 91 | Lee, Jacob (1510) | Won 2-0 | +181566 |
| 7modern | 131 | Tse, Felix (1987) | Lost 1-2 | -111555 |
| 8modern | 135 | Page, Veronica (1614) | Won 2-1 | +191574 |
| 9modern | 104 | Stella, Daniel (1628) | Lost 1-2 | -171557 |
| average opponent: 1563record: 6-3 | new rating: 1557 | |||