Ma, Alvin
Current rating: 1489
Record: 22-24-2
| Grand Prix Portland 2019 (ELD standard) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 28 | Bernier, Kristopher (1500) | Lost 0-2 | -181508 |
| 2standard | 176 | Burt, Rodney (1454) | Lost 1-2 | -191489 |
| top | average opponent: 1477record: 0-2 | new rating: 1489 | ||
| Grand Prix Vancouver 2018 (UMA limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 122 | Vanjorek, Dean (1412) | Won 2-0 | +161541 |
| 2sealed | 127 | Lu, Kevin (1555) | Won 2-1 | +191560 |
| 3sealed | 91 | Roos, Tobias (1575) | Lost 0-2 | -181542 |
| 4sealed | 121 | Yager, Serge (1497) | Lost 0-2 | -191523 |
| 5sealed | 224 | Svilich, Erik (1637) | Won 2-0 | +201543 |
| 6sealed | 174 | Hill, Michael [CAN] (1605) | Lost 0-2 | -171526 |
| top | average opponent: 1547record: 3-3 | new rating: 1526 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 464 | Dudley, Mark (1500) | Won 2-1 | +181488 |
| 2sealed | 4 | O'Donnell, Drew (1506) | Won 2-1 | +191507 |
| 3sealed | 114 | Elkins, Michael (1536) | Won 2-1 | +181525 |
| 4sealed | 31 | Hortman, Mike (1499) | Won 2-0 | +181543 |
| 5sealed | 24 | Tierney, Patrick (1961) | Lost 0-2 | -111532 |
| 6sealed | 189 | Martin, Russ (1584) | Won 2-1 | +191551 |
| 7sealed | 63 | Sittner, Alex (2022) | Lost 0-2 | -101541 |
| 8sealed | 252 | Alberg, Robin (1538) | Won 2-1 | +181559 |
| 9sealed | 54 | Maeder, Michael (1648) | Lost 0-2 | -171542 |
| 10draft | 33 | Noda, Garrhet (1588) | Lost 1-2 | -171525 |
| top | average opponent: 1638record: 6-4 | new rating: 1525 | ||
| Grand Prix Portland 2016 (EMN standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 277 | Hill, Jordan (1483) | Won 2-0 | +181524 |
| 2standard | 117 | Lockamy, Ryan (1517) | Lost 1-2 | -181506 |
| 3standard | 645 | Rogers, James (1639) | Draw 1-1 | +21508 |
| 4standard | 511 | Oguma, Rory (1380) | Lost 1-2 | -201488 |
| 5standard | 626 | Prow, Ethan (1484) | Lost 1-2 | -181470 |
| top | average opponent: 1501record: 1-3-1 | new rating: 1470 | ||
| Grand Prix Vancouver 2016 (OGW limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 405 | Lynn, Ryan (1472) | Lost 1-2 | -191465 |
| 2sealed | 519 | Wong, Howard (1468) | Won 2-0 | +181483 |
| 3sealed | 527 | Chrapko, Tad (1499) | Won 0-0 | +191502 |
| 4sealed | 338 | Guluka, Nehemiah (1501) | Lost 0-2 | -181484 |
| 5sealed | 426 | Carico, Evan (1500) | Won 2-0 | +181502 |
| 6sealed | 294 | Chang, Edward (1534) | Won 2-0 | +191521 |
| 7sealed | 248 | Ferguson, MacLean (1535) | Won 2-1 | +181539 |
| 8sealed | 103 | Shivji, Qail (1595) | Lost 0-2 | -171522 |
| 9sealed | 248 | Haraguchi, Yoshio (1666) | Lost 1-2 | -161506 |
| top | average opponent: 1530record: 5-4 | new rating: 1506 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Wallace, Benjamin (1423) | Won 2-1 | +161518 |
| 2sealed | 65 | Burnell, Kaitlyn (1501) | Lost 0-2 | -181500 |
| 3sealed | 337 | Castillon Jr, Jimmy (1478) | Lost 0-2 | -181482 |
| 4sealed | 347 | Dougherty, Daniel (1485) | Won 2-1 | +181500 |
| 5sealed | 224 | Smith, Christopher (1593) | Lost 0-2 | -161484 |
| top | average opponent: 1496record: 2-3 | new rating: 1484 | ||
| Grand Prix Seattle-Tacoma 2012 (DKA limited) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 13 | Williams, Rachael (1505) | Won 2-0 | +191483 |
| 2sealed | 260 | Bateman, Ben (1479) | Draw 1-1 | -11482 |
| 3sealed | 199 | ARMENTROUT, RYAN (1518) | Won 2-1 | +191501 |
| 4sealed | 155 | Short, Ryan (1536) | Won 2-0 | +191520 |
| 5sealed | 79 | Stanley, Frank (1555) | Lost 0-2 | -181502 |
| 6sealed | 170 | Bullion, Adam (1538) | Won 2-0 | +191521 |
| 7sealed | 107 | Searles, James (1460) | Lost 1-2 | -191502 |
| top | average opponent: 1513record: 4-2-1 | new rating: 1502 | ||
| Grand Prix Portland 2010 (M11 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 222 | Ruddick, Brandon J (1518) | Won 2-0 | +181518 |
| 3sealed | 140 | wiesenfeld, jesse (1496) | Lost 0-2 | -181500 |
| 4sealed | 281 | Kiene, Thomas (1530) | Lost 0-2 | -181482 |
| 5sealed | 311 | Patrick, Jesse (1444) | Lost 1-2 | -181464 |
| top | average opponent: 1497record: 1-3 | new rating: 1464 | ||