Margolin, Yan
Current rating: 1540
Record: 7-5
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 3block | 39 | Choy, Jonathan (1536) | Won 2-1 | +181558 |
| 4block | 84 | Gagliardi, Joe (1540) | Won 2-0 | +181576 |
| 5block | 13 | Folinus, Jeff (1537) | Won 2-0 | +171593 |
| 6block | 26 | McHugh, Michael (1577) | Lost 0-2 | -181575 |
| 7block | 57 | Olson, Matthew (1577) | Lost 0-2 | -181557 |
| 8block | 92 | Davis, John (1614) | Lost 0-2 | -171540 |
| average opponent: 1563record: 3-3 | new rating: 1540 | |||
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 45 | Rodriguez, Erik (1501) | Won 2-1 | +181518 |
| 4sealed | 49 | Mandel, Danny (1694) | Won 2-0 | +211539 |
| 5sealed | 17 | Glavin, Lucas (1509) | Lost 0-2 | -181521 |
| 6sealed | 26 | Gorzkowski, Shawn (1556) | Won 2-1 | +181539 |
| 7sealed | 23 | steinberg, charles (1573) | Lost 1-2 | -171522 |
| 8sealed | 57 | Walter, Bill (1553) | Won 2-0 | +181540 |
| average opponent: 1564record: 4-2 | new rating: 1540 | |||