Peng, Ethan
Current rating: 1410
| Grand Prix Phoenix 2019 (ELD limited) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 37 | Fisher, Troy (1486) | Lost 1-2 | -171428 |
| 2sealed | 183 | Anaraki, BG (1429) | Lost 1-2 | -181410 |
| top | average opponent: 1458record: 0-2 | new rating: 1410 | ||
| Grand Prix Phoenix 2018 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 194 | Chatfield, Lawrence (1609) | Lost 1-2 | -151449 |
| 4modern | 246 | Jansen, Adam (1867) | Lost 1-2 | -111438 |
| 5modern | 359 | Goddard, Maxwell (1763) | Won 2-0 | +231461 |
| 6modern | 395 | Marucci, Dominic (1559) | Lost 0-2 | -161445 |
| top | average opponent: 1700record: 1-3 | new rating: 1445 | ||
| Grand Prix Las Vegas 2017 (limited) (AKH limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 681 | Hollman, David (1477) | Lost 0-2 | -181482 |
| 2sealed | 803 | Nelson, Joshua (1500) | Lost 1-2 | -181464 |
| top | average opponent: 1488record: 0-2 | new rating: 1464 | ||