Ophel, John
Current rating: 1466
Record: 13-15
| Grand Prix Sydney 2016 (EMN limited) | starting rating: 1503 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 166 | Grinbergs, Jason (1465) | Lost 1-2 | -181485 |
| 2sealed | 267 | Lane, Xavier (1483) | Lost 0-2 | -181467 |
| 3sealed | 440 | Huang, Leo (1452) | Won 2-1 | +171484 |
| 4sealed | 414 | Sternhell, Robert (1486) | Lost 0-2 | -181466 |
| 5sealed | 415 | Suurland, Lex (1467) | Lost 0-2 | -181448 |
| 6sealed | 411 | Higgins, Kim (1448) | Won 2-0 | +181466 |
| top | average opponent: 1467record: 2-4 | new rating: 1466 | ||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 50 | Huang, Leo (1481) | Won 2-0 | +181539 |
| 2sealed | 175 | Passow, Christopher (1599) | Won 2-1 | +191558 |
| 3sealed | 60 | O'Mallon, Dylan (1631) | Lost 0-2 | -171541 |
| 4sealed | 250 | Xia, Chris (1518) | Lost 1-2 | -181523 |
| 5sealed | 211 | Hakulija, Edis (1501) | Won 2-1 | +171540 |
| 6sealed | 154 | Burns, David (1498) | Lost 1-2 | -181522 |
| 7sealed | 191 | Ophel, Joshua (1517) | Lost 1-2 | -191503 |
| top | average opponent: 1535record: 3-4 | new rating: 1503 | ||
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 69 | Gregory, Mark (1465) | Won 2-0 | +171519 |
| 2sealed | 172 | Curtis, Conor (1518) | Lost 1-2 | -181501 |
| 3sealed | 243 | Jolly, Morgan (1481) | Won 2-0 | +181519 |
| 4sealed | 182 | Sanderson, Dane (1518) | Won 2-0 | +181537 |
| 5sealed | 142 | Mackerill, Ben (1529) | Lost 1-2 | -191518 |
| 6sealed | 159 | Ding, Jack (1627) | Lost 0-2 | -161502 |
| 7sealed | 160 | Darragh, Michael (1489) | Won 2-0 | +181520 |
| 8sealed | 151 | Sams, Henry (1518) | Won 2-1 | +181538 |
| 9sealed | 90 | Davey, Ryan (1609) | Lost 0-2 | -171521 |
| top | average opponent: 1528record: 5-4 | new rating: 1521 | ||
| Grand Prix Sydney 2013 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 148 | Voelkl, Tristan (1500) | Won 2-0 | +181518 |
| 2sealed | 54 | Rafferty, Thomas (1629) | Lost 0-2 | -161502 |
| 3sealed | 146 | Knoll, Stefano (1500) | Won 2-0 | +181520 |
| 4sealed | 89 | Ninnes, Jeremy S (1555) | Lost 0-2 | -171503 |
| 5sealed | 153 | Hou, Julia (1451) | Lost 0-2 | -191484 |
| 6sealed | 202 | Metcalfe, Sarah (1482) | Won 2-1 | +181502 |
| top | average opponent: 1520record: 3-3 | new rating: 1502 | ||