Marcella, William
Current rating: 1535
Record: 11-10
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 66 | Jennings, Conan (1570) | Won 2-0 | +191525 |
| 2legacy | 35 | Marumo, Tsubasa (1575) | Lost 0-2 | -171508 |
| 3legacy | 366 | Tran, Minh6213 (1574) | Won 2-0 | +191527 |
| 4legacy | 192 | Blasco, Joren (1609) | Lost 1-2 | -161511 |
| 5legacy | 239 | Wen, Brandon (1501) | Won 2-0 | +171528 |
| 6legacy | 241 | Takubo, Masayuki (1451) | Won 2-1 | +171545 |
| 7legacy | 215 | Duan, Daniel (1640) | Won 2-0 | +201565 |
| 8legacy | 103 | Black, Sierra (1503) | Won 2-1 | +171582 |
| 9legacy | 75 | Werner, Phillip (1669) | Won 2-0 | +191601 |
| 10legacy | 43 | Crone, Jacob (1717) | Lost 1-2 | -161585 |
| 11legacy | 49 | Segal, Jacob (1730) | Lost 0-2 | -151570 |
| 12legacy | 74 | Lerch, Corey (1724) | Lost 0-2 | -151555 |
| 13legacy | 82 | Belisle, Sean (1487) | Lost 0-2 | -201535 |
| average opponent: 1596record: 7-6 | new rating: 1535 | |||
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 35 | Rea, Will (1525) | Lost 0-1 | -181482 |
| 2legacy | 247 | Vu, Don (1526) | Lost 0-2 | -171465 |
| 3legacy | 359 | Saucedo, Alan (1464) | Won 2-0 | +181483 |
| 4legacy | 311 | Hall, Brian (1378) | Won 2-0 | +161499 |
| 5legacy | 260 | Hair, Chris (1610) | Lost 0-2 | -161483 |
| 6legacy | 319 | Maddalena, Todd (1431) | Won 2-1 | +171500 |
| 7legacy | 246 | Cox, Andrew (1505) | Won 2-1 | +181518 |
| 8legacy | 191 | Yam, Philip (1819) | Lost 0-2 | -121506 |
| average opponent: 1532record: 4-4 | new rating: 1506 | |||