Rosenthal, David
Current rating: 1389
Record: 6-12-1
| Grand Prix New Jersey 2004 (Mirrodin block) | starting rating: 1496 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 121 | Allen, Keith (1500) | Lost 0-2 | -171479 |
| 2block | 318 | Greene, Nathaniel (1482) | Lost 1-2 | -181461 |
| 3block | 364 | Mann, Corey (1464) | Lost 0-2 | -181443 |
| 4block | 431 | Yong, Peter (1446) | Lost 0-2 | -181425 |
| 5block | 396 | Roberts, Kevin (1428) | Lost 0-2 | -181407 |
| 6block | 358 | Metas, Rory (1410) | Won 2-0 | +181425 |
| 7block | 296 | Lind, Sean (1428) | Lost 0-2 | -181407 |
| 9block | 192 | Coraci, Alex (1428) | Lost 0-2 | -181389 |
| average opponent: 1448record: 1-7 | new rating: 1389 | |||
| Grand Prix Kaohsiung 2001 (PLS limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 44 | Chan, Jian Nan (1500) | Draw 1-1 | 01500 |
| 2sealed | 48 | Chan, Jimmy (1482) | Lost 0-2 | -181482 |
| 3sealed | 78 | Tsai, Shun Wei (1464) | Won 2-1 | +171499 |
| 4sealed | 66 | Wang, Heero (1482) | Won 2-0 | +181517 |
| 5sealed | 46 | Kung, Lam Yan (1518) | Won 2-0 | +181535 |
| 6sealed | 32 | Zen, Quentin (1518) | Won 2-0 | +181553 |
| 7sealed | 18 | Tang, Kai Cheong (1595) | ID | 01553 |
| 8draft | 29 | Chiu, Richard Wei Jei (1487) | Lost 1-2 | -191534 |
| 9draft | 24 | Lin, Bao Qiang (1534) | Lost 0-2 | -181516 |
| 10draft | 29 | Sun, Weng Cheng (1502) | Won 2-0 | +171533 |
| 11draft | 30 | Jung, Zo Jun (1485) | Lost 0-2 | -191514 |
| 12draft | 29 | Gau, Max (1515) | Lost 0-2 | -181496 |
| average opponent: 1507record: 5-5-2 | new rating: 1496 | |||