Zhen, Jimmy
Current rating: 1604
| Grand Prix Madison 2015 (BFZ limited) | starting rating: 1643 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 482 | Babb, Roger (1500) | Lost 0-2 | -211622 |
| 2sealed | 423 | Ebert, Matt (1482) | Lost 1-2 | -201602 |
| 3sealed | 664 | Nigbur, Scott (1463) | Won 2-0 | +151617 |
| 4sealed | 567 | Landriz, Erik (1901) | Lost 1-2 | -131604 |
| top | average opponent: 1586record: 1-3 | new rating: 1604 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1636 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 363 | Vincent, William (1500) | Won 2-0 | +161652 |
| 2modern | 156 | Wilbur, Nick (1594) | Lost 1-2 | -191633 |
| 3modern | 469 | Gouveia, Adam (1500) | Lost 0-2 | -211612 |
| 4modern | 516 | Lobosco, Anthony (1520) | Draw 1-1 | -11611 |
| 5modern | 458 | Henderson, Douglas (1440) | Won 2-1 | +151626 |
| 6modern | 355 | Briscoe, Kenneth (1582) | Won 2-1 | +171643 |
| top | average opponent: 1523record: 3-2-1 | new rating: 1643 | ||
| Grand Prix Louisville 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 326 | Filiatreau, Jacob (1500) | Won 2-1 | +181518 |
| 2standard | 138 | Arnold, James (1500) | Lost 1-2 | -181500 |
| 3standard | 375 | Korthuis, Jason (1447) | Won 2-1 | +171517 |
| 4standard | 419 | Brewer, Paul (1540) | Lost 0-2 | -181499 |
| 5standard | 396 | Bowman, Franklin (1505) | Won 2-1 | +181517 |
| 6standard | 308 | Combs, Richard (1518) | Won 2-1 | +181535 |
| 7standard | 259 | Wermager, Todd (1536) | Won 2-1 | +181553 |
| 8standard | 245 | Lanham, Joshua (1558) | Won 2-0 | +181571 |
| 9standard | 168 | Statler, Alex (1578) | Won 2-1 | +181589 |
| 10standard | 54 | Hovis, Ryan (1938) | Lost 0-2 | -111578 |
| 11standard | 54 | Fellman, Sean (1583) | Lost 0-2 | -181560 |
| 12standard | 65 | Sparger, Andrew (1563) | Won 2-0 | +181578 |
| 13standard | 49 | Waters, James D (1566) | Won 2-0 | +181596 |
| 14standard | 46 | Walker, Eddie (1716) | Won 2-1 | +201616 |
| 15standard | 39 | Young, Garett (1759) | Won 2-0 | +201636 |
| top | average opponent: 1587record: 11-4 | new rating: 1636 | ||