Ong, Alvin
Current rating: 1433
Record: 10-16
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1400 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 273 | Roy, Jamel (1453) | Lost 1-2 | -171383 |
| 2sealed | 268 | Swan, Brad (1636) | Lost 0-0 | -141369 |
| 3sealed | 503 | Daley, Max (1678) | Won 2-0 | +241393 |
| 4sealed | 469 | Fountain, Jordan (1408) | Won 2-0 | +181411 |
| 5sealed | 302 | Rojas, John (1430) | Won 2-1 | +181429 |
| 6sealed | 199 | Potter, Russell (1553) | Won 2-0 | +211450 |
| 7sealed | 126 | Meyer, Andrew 5774 (1543) | Lost 0-2 | -171433 |
| top | average opponent: 1529record: 4-3 | new rating: 1433 | ||
| Grand Prix New Jersey 2018 (GRN standard) | starting rating: 1431 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 220 | Picardo, James (1530) | Lost 0-2 | -161415 |
| 2standard | 286 | Buchheit, Patrick (1449) | Won 2-0 | +191434 |
| 3standard | 436 | Blondon, William (1546) | Lost 0-2 | -161418 |
| 4standard | 432 | Adams, Joshua (1430) | Lost 1-2 | -181400 |
| top | average opponent: 1489record: 1-3 | new rating: 1400 | ||
| Grand Prix New Jersey 2017 (lim) (XLN limited) | starting rating: 1429 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 93 | Ralston, Jacob (1590) | Lost 1-2 | -151414 |
| 2sealed | 293 | Drake, Robert (1461) | Won 2-1 | +191433 |
| 3sealed | 388 | Lloyd, Dennis (1500) | Won 2-1 | +191452 |
| 4sealed | 322 | Kerrigan, Andrew (1819) | Won 2-0 | +241476 |
| 5sealed | 166 | Bonuzzi, Matteo (1537) | Lost 0-2 | -171459 |
| 6sealed | 311 | Chen, Alexander (1626) | Lost 0-2 | -151444 |
| 7sealed | 352 | Youngblood-Petersen, Campbell (1719) | Lost 0-2 | -131431 |
| top | average opponent: 1607record: 3-4 | new rating: 1431 | ||
| Grand Prix Atlantic City 2015 (DTK limited) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 280 | Harrington, Sean (1500) | Lost 1-2 | -171444 |
| 2sealed | 491 | Cullerton, Evan (1530) | Lost 1-2 | -171427 |
| 3sealed | 707 | Starr, Alex (1464) | Won 2-0 | +191446 |
| 4sealed | 544 | Tatum, Jessi (1482) | Lost 1-2 | -171429 |
| top | average opponent: 1494record: 1-3 | new rating: 1429 | ||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 474 | Lamb, Jonathan (1500) | Lost 0-2 | -181482 |
| 2standard | 425 | Sabo, Sean (1482) | Won 2-1 | +181500 |
| 3standard | 384 | Taylor, Travis (1448) | Lost 0-2 | -191481 |
| 4standard | 688 | Vincek, Christopher (1376) | Lost 1-2 | -201461 |
| top | average opponent: 1452record: 1-3 | new rating: 1461 | ||