Marcus, Justin
Current rating: 1531
Record: 11-7 (GP) / 1-4 (professional)
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1526 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 198 | Warren, Seth (1488) | Lost 0-2 | -191507 |
| 2standard | 264 | Moonan, Devi (1482) | Lost 0-2 | -191488 |
| 3standard | 468 | Chan, Calvin (1381) | Won 2-1 | +161504 |
| 4standard | 362 | Torres, Ivan (1584) | Won 2-0 | +201524 |
| 5standard | 383 | Landau, Jordan (1500) | Won 2-1 | +171541 |
| 6standard | 301 | Ulanov, Denis (1727) | Won 2-0 | +221563 |
| 7standard | 221 | Badolato, Ryan (1535) | Lost 0-2 | -191544 |
| 8standard | 208 | League, Charles (1778) | Lost 0-2 | -131531 |
| top | average opponent: 1559record: 4-4 | new rating: 1531 | ||
| Grand Prix Kuala Lumpur 2000 (extended) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 112 | Teoh, Jeremy (1500) | Won 0-0 | +191466 |
| 2extended | 40 | Lin, Bao Qiang (1518) | Won 0-0 | +191485 |
| 3extended | 40 | Lim, Hao Zhi (1536) | Won 0-0 | +191504 |
| 4extended | 5 | Komiya, Tadayoshi (1485) | Won 0-0 | +181522 |
| 5extended | 2 | Hoh, Derik (1570) | ID | 01522 |
| 6extended | 7 | Lau, Sam Lei Kang (1576) | Lost 0-0 | -171505 |
| 7extended | 19 | Soh, Rowan (1552) | Won 0-0 | +191524 |
| 8extended | 12 | Tham, Tishen (1520) | Lost 0-0 | -191505 |
| 9extended | 18 | Wong, Nicholas Jonathan (1524) | Won 0-0 | +191524 |
| 10extended | 14 | Hoon, Kelvin (1575) | Lost 0-0 | -171507 |
| 11extended | 19 | Liang, Woi Lun (1552) | Won 0-0 | +191526 |
| 12extended | 11 | Ng, Wei Lee (1557) | ID | 01526 |
| top | average opponent: 1539record: 7-3-2 | new rating: 1526 | ||
| Pro Tour Los Angeles 1999 (USG rochester) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1rochester | 136 | Flores, Michael (1500) | Lost 0-0 | -181482 |
| 2rochester | 60 | Frayman, Igor (1500) | Lost 1-2 | -181464 |
| 3rochester | 46 | Baranowski, Matthew (1465) | Lost 1-2 | -181446 |
| 4rochester | 38 | Cedercrantz, Martin (1521) | Won 2-1 | +201466 |
| 5rochester | 66 | Posolda, Petr (1438) | Lost 0-2 | -191447 |
| top | average opponent: 1485record: 1-4 | new rating: 1447 | ||