Choy, Matthew
Current rating: 1550
Record: 15-13 (GP) / 2-5 (professional)
| Regional Championships Dallas 2023 (pioneer) | starting rating: 1523 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 129 | Lennartz, Eric (1363) | Won 2-1 | +151538 |
| 2pioneer | 159 | Metyko, Walker (1652) | Lost 1-2 | -161522 |
| 3pioneer | 345 | Li, Phillip (1798) | Lost 0-2 | -131509 |
| 4pioneer | 440 | Andrade Jr., Kevin (1424) | Won 2-1 | +171526 |
| 5pioneer | 307 | Moore, Spencer (1638) | Won 2-1 | +201546 |
| 6pioneer | 183 | Anszperger, Noah (1524) | Won 2-0 | +171563 |
| 7pioneer | 77 | Stein, Abraham (1819) | Won 2-1 | +231586 |
| 8pioneer | 39 | Williams, Liam (1572) | Lost 0-2 | -181568 |
| 9pioneer | 131 | Read, Dillan (1575) | Lost 1-2 | -181550 |
| top | average opponent: 1596record: 5-4 | new rating: 1550 | ||
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1513 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 151 | Abraham, Yonas (1566) | Won 2-1 | +191532 |
| 2standard | 211 | Puglisi, Joseph (1518) | Won 2-0 | +181550 |
| 3standard | 9 | Baeckstrom, Andrew (2086) | Lost 0-2 | -91541 |
| 4standard | 157 | Martin Jr., Charles (1564) | Lost 0-2 | -181523 |
| top | average opponent: 1684record: 2-2 | new rating: 1523 | ||
| Regional Championships Atlanta 2022 (pioneer) | starting rating: 1499 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 1003 | Cristofalo, Pascal (1512) | Won 2-1 | +181517 |
| 2pioneer | 1138 | Steuer, Nathan (2063) | Lost 1-2 | -91508 |
| 3pioneer | 1271 | Asa, William (1483) | Won 2-1 | +181526 |
| 4pioneer | 1128 | Wahl, Jackson (1528) | Won 2-0 | +181544 |
| 5pioneer | 1059 | Bittman, Bradley (1571) | Lost 1-2 | -181526 |
| 6pioneer | 1207 | Bader, Andrew (1527) | Won 2-0 | +181544 |
| 7pioneer | 1136 | Lloyd, Alex (1618) | Lost 0-2 | -161528 |
| 8pioneer | 1172 | Baker, Kazi (1719) | Lost 1-2 | -151513 |
| top | average opponent: 1628record: 4-4 | new rating: 1513 | ||
| Strixhaven Championship (MTGA mixed) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1historic | 84 | Schuetz, Stefan (2013) | Lost 0-2 | -91512 |
| 2historic | 91 | Cuneo, Andrew (1938) | Lost 1-2 | -111501 |
| 3historic | 108 | Gauthier, Martin-Eric (1882) | Won 2-1 | +251526 |
| 4standard | 96 | Takahashi, Jun (1694) | Lost 0-2 | -151511 |
| 5standard | 105 | Grancha Marin, Beatriz (1471) | Won 2-1 | +171528 |
| 6standard | 85 | Burkhart, Corey (1926) | Lost 0-2 | -111517 |
| 7standard | 84 | Barton, Matt (1526) | Lost 0-2 | -181499 |
| top | average opponent: 1779record: 2-5 | new rating: 1499 | ||
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 518 | Chopper, Luke (1500) | Lost 1-2 | -181482 |
| 2modern | 599 | Carnes, Zachariah (1424) | Won 2-0 | +171499 |
| 3modern | 640 | Azadian, Shaunt (1495) | Won 2-0 | +181517 |
| 4modern | 325 | Bell, Christopher 4214 (1460) | Lost 1-2 | -191498 |
| 5modern | 491 | Barile, Michael (1450) | Won 2-1 | +171515 |
| 6modern | 441 | Hubert, Chris (1595) | Won 2-1 | +191534 |
| 7modern | 341 | Carewicz, Cameron (1812) | Lost 1-2 | -131521 |
| top | average opponent: 1534record: 4-3 | new rating: 1521 | ||