Ku, David
Current rating: 1652
Record: 22-15-1
| Grand Prix Las Vegas 2017 (legacy) (legacy) | starting rating: 1596 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 45 | Hendershott, Brad (1633) | Won 2-1 | +191615 |
| 2legacy | 314 | Loshbaugh, Andrew (1537) | Won 2-0 | +161631 |
| 3legacy | 429 | Choquette, Maxime (1666) | Lost 1-2 | -171614 |
| 4legacy | 417 | Ambler, Kevin (1569) | Won 2-0 | +171631 |
| 5legacy | 426 | Beckfield, Peter (1645) | Lost 1-2 | -171614 |
| 6legacy | 694 | Gordon, Christopher (1615) | Won 2-1 | +181632 |
| 7legacy | 324 | Bolding, Hunter (1614) | Won 2-1 | +171649 |
| 8legacy | 2114 | Low, Keane (1471) | Won 2-1 | +151664 |
| 9legacy | 176 | Singer, Sean (1678) | Won 2-1 | +181682 |
| 10legacy | 89 | Stoute, Terry (1813) | Lost 0-2 | -151667 |
| 11legacy | 238 | Schlichting, Bill (1556) | Won 2-1 | +161683 |
| 12legacy | 150 | Zaczek, Jonathon (1980) | Draw 1-1 | +51688 |
| 13legacy | 130 | Krenik, Alex (1669) | Lost 1-2 | -181670 |
| 14legacy | 168 | Ranallo, Tony (1701) | Lost 0-2 | -181652 |
| top | average opponent: 1653record: 8-5-1 | new rating: 1652 | ||
| Grand Prix Los Angeles 2016 (modern) | starting rating: 1544 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 109 | McGuire, Sean (1517) | Won 2-1 | +171561 |
| 2modern | 150 | Jacobson, Jed (1463) | Won 2-1 | +161577 |
| 3modern | 99 | Aoki, Chikara (1603) | Lost 0-2 | -171560 |
| 4modern | 695 | Hu, Jonathan (1790) | Won 2-0 | +221582 |
| 5modern | 150 | Opferman, Anthony (1505) | Won 2-1 | +171599 |
| 6modern | 224 | Brown, Ethan (1518) | Lost 1-2 | -201579 |
| 7modern | 253 | Arcuni, Philip (1724) | Lost 1-2 | -151564 |
| 8modern | 477 | Meng, Alan (1519) | Won 2-0 | +171581 |
| 9modern | 327 | Hennessey, Evan (1525) | Won 2-0 | +171598 |
| 10modern | 161 | Maes, Robert (1506) | Won 2-0 | +161614 |
| 11modern | 205 | Logsdon, Jim (1619) | Lost 0-2 | -181596 |
| top | average opponent: 1572record: 7-4 | new rating: 1596 | ||
| Grand Prix Seattle-Tacoma 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 223 | Nass, Matthew (1864) | Won 2-1 | +241524 |
| 4legacy | 121 | [anonymous] | Won 2-0 | +191543 |
| 5legacy | 27 | Johnston, Cody (1566) | Lost 1-2 | -181525 |
| 6legacy | 122 | Pringle, Shaun (1503) | Won 2-1 | +181543 |
| 7legacy | 127 | Marat, John (1699) | Won 2-0 | +211564 |
| 8legacy | 73 | Houtman, Kyle (1692) | Won 2-0 | +201584 |
| 9legacy | 37 | Adams, Laurence (1714) | Won 2-0 | +211605 |
| 10legacy | 8 | Lore, Nick (1658) | Lost 1-2 | -181587 |
| 11legacy | 56 | Worman, Christopher (1622) | Lost 1-2 | -171570 |
| 12legacy | 78 | Phillips, Cedric (1865) | Lost 0-0 | -131557 |
| 13legacy | 83 | Patrick-Riley, Josh (1523) | Lost 0-0 | -181539 |
| 14legacy | 90 | Jones, Anders (1652) | Won 2-0 | +201559 |
| 15legacy | 66 | Owens, Ryan (1715) | Lost 1-2 | -151544 |
| top | average opponent: 1664record: 7-6 | new rating: 1544 | ||