Lowenstein, Matt A
Current rating: 1470
Record: 6-8
| Grand Prix Portland 2013 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 84 | Duane, Joshua (1500) | Won 2-0 | +181501 |
| 2modern | 189 | Wheaton, Patrick (1517) | Lost 1-2 | -181483 |
| 3modern | 232 | Moreno, Nicholas (1525) | Won 2-0 | +191502 |
| 4modern | 288 | Rogers, James (1600) | Lost 1-2 | -161486 |
| 5modern | 110 | Rybacki, Blaine (1604) | Lost 0-2 | -161470 |
| average opponent: 1549record: 2-3 | new rating: 1470 | |||
| Grand Prix San Diego 2011 (ISD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 136 | Carpenter, Michael J (1500) | Lost 0-2 | -181482 |
| 2sealed | 185 | Magana, Vanessa (1482) | Won 2-0 | +181500 |
| 3sealed | 95 | Toole, Duncan (1501) | Lost 0-2 | -181482 |
| 4sealed | 203 | Lung, Kevin J (1518) | Lost 0-2 | -171465 |
| 5sealed | 218 | Rubin, Rafi (1455) | Lost 0-2 | -181447 |
| 6sealed | 203 | Saldana, Joseph (1463) | Won 2-0 | +181465 |
| 7sealed | 163 | Lam, Christopher (1465) | Lost 1-2 | -181447 |
| 8sealed | 143 | Linnik, Noah (1428) | Won 2-0 | +171464 |
| 9sealed | 117 | Wells, Rebecca (1467) | Won 2-1 | +191483 |
| average opponent: 1475record: 4-5 | new rating: 1483 | |||