Choo, Benjamin
Current rating: 1468
Record: 13-17
| Grand Prix Los Angeles 2018 (M19 standard) | starting rating: 1453 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 151 | Grant, Bradford (1785) | Lost 1-2 | -121441 |
| 2standard | 374 | Claveria, Allan (1482) | Won 2-0 | +181459 |
| 3standard | 425 | Sperling, Micah (1501) | Lost 1-2 | -171442 |
| 4standard | 366 | Blade, Alan (1502) | Won 2-0 | +191461 |
| 5standard | 299 | Moore, Collin (1500) | Won 2-1 | +191480 |
| 6standard | 210 | Davila, David (1806) | Lost 0-2 | -121468 |
| top | average opponent: 1596record: 3-3 | new rating: 1468 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1443 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Martinez, Adam (1500) | Won 2-0 | +191462 |
| 2sealed | 212 | Babin, Kyle (1749) | Lost 0-2 | -131449 |
| 3sealed | 424 | Becerra, Kevin (1499) | Lost 1-2 | -171432 |
| 4sealed | 351 | Mayssonet, Juan (1482) | Won 2-0 | +191451 |
| 5sealed | 237 | Wade, Cory (1498) | Won 2-0 | +191470 |
| 6sealed | 227 | Ryan, Owen (1540) | Lost 1-2 | -171453 |
| top | average opponent: 1545record: 3-3 | new rating: 1453 | ||
| Grand Prix Miami 2013 (DGM standard) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 410 | Beard, Eric Z (1483) | Lost 1-2 | -181433 |
| 2standard | 328 | Aiello, Cameron (1482) | Won 2-0 | +191452 |
| 3standard | 297 | Pastorinni, Luckas (1648) | Lost 0-2 | -141438 |
| 4standard | 490 | Cobb, Richard (1409) | Won 2-1 | +171455 |
| 5standard | 409 | Mayes, Erik (1501) | Won 2-0 | +191474 |
| 6standard | 304 | Fedon, Antonio (1771) | Lost 1-2 | -131461 |
| 7standard | 292 | Grana, Gina (1431) | Lost 1-2 | -181443 |
| top | average opponent: 1532record: 3-4 | new rating: 1443 | ||
| Grand Prix Orlando 2012 (ISD standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 177 | Wilson, Andrew P (1537) | Lost 0-2 | -171448 |
| 3standard | 262 | Adams, Sam (1499) | Won 2-0 | +191467 |
| 4standard | 165 | Rodriguez, Ronald (1462) | Lost 0-2 | -181449 |
| 5standard | 326 | Holzman, Stephen (1483) | Lost 1-2 | -171432 |
| 6standard | 310 | Bieringer, Michael (1481) | Won 2-0 | +191451 |
| top | average opponent: 1492record: 2-3 | new rating: 1451 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 43 | Bergstrom, Michael (1500) | Lost 1-2 | -181482 |
| 2sealed | 230 | Connor, Andrew (1552) | Lost 0-2 | -171465 |
| 3sealed | 308 | Miller, Anthony R (1464) | Lost 0-2 | -181447 |
| 4sealed | 331 | Carkin, Randel (1446) | Won 2-0 | +181465 |
| 5sealed | 268 | Sinclair, Heather M (1462) | Won 2-1 | +181483 |
| 6sealed | 213 | Phillips, Morgan D (1481) | Lost 0-2 | -181465 |
| top | average opponent: 1484record: 2-4 | new rating: 1465 | ||