Margolis, Mitchell
Current rating: 1417
| Grand Prix Manila 2010 (ROE standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 4standard | 93 | Obed, Joseph Martin (1583) | Lost 1-2 | -161449 |
| 5standard | 70 | Padua, Mario (1605) | Lost 0-2 | -151434 |
| 6standard | 184 | Dela Rosa, Karla (1518) | Lost 1-2 | -171417 |
| top | average opponent: 1569record: 0-3 | new rating: 1417 | ||
| Grand Prix Philadelphia 2002 (ONS rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 67 | Wagner, Eric (1500) | Lost 1-2 | -181482 |
| 2sealed | 184 | Dimalanta, Matthew (1519) | Lost 0-2 | -171465 |
| top | average opponent: 1509record: 0-2 | new rating: 1465 | ||
| Grand Prix Milwaukee 2002 (TOR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 39 | Grignon, Marcus (1500) | Won 2-0 | +181518 |
| 2standard | 128 | Sturm, Ryan (1519) | Lost 1-2 | -181500 |
| top | average opponent: 1510record: 1-1 | new rating: 1500 | ||