Weatherwax, Zackery A
Current rating: 1445
| Grand Prix Chicago 2012 (modern) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 41 | Carroll, Frank (1500) | Won 2-0 | +181500 |
| 2modern | 29 | Burnley, Abram (1517) | Lost 1-2 | -181482 |
| 3modern | 230 | Gray, Zachary (1587) | Won 2-1 | +201502 |
| 4modern | 234 | Gustafson, Thomas (1447) | Lost 1-2 | -191483 |
| 5modern | 341 | Penny, Jack (1369) | Lost 1-2 | -201463 |
| 6modern | 413 | Taylor, Zachary (1482) | Lost 0-2 | -181445 |
| top | average opponent: 1484record: 2-4 | new rating: 1445 | ||
| Grand Prix Nashville 2012 (DKA limited) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 34 | Richardson, Scott (1490) | Draw 1-1 | 01481 |
| 2sealed | 262 | Chenevert, Ryan (1504) | Won 2-0 | +191500 |
| 3sealed | 190 | Eckstein, Blake (1518) | Won 2-0 | +181518 |
| 4sealed | 170 | King, Mason (1531) | Lost 0-2 | -181500 |
| 5sealed | 270 | Yampolsky, Ben (1467) | Lost 1-2 | -181482 |
| top | average opponent: 1502record: 2-2-1 | new rating: 1482 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 926 | Hall, Mark T (1500) | Lost 1-2 | -181482 |
| 2standard | 929 | O'Leary, Sarah (1482) | Won 2-0 | +181500 |
| 3standard | 853 | Wood, Joel (1500) | Lost 0-2 | -181482 |
| 4standard | 960 | Castle, Holly (1481) | Won 2-0 | +181500 |
| 5standard | 921 | Rooks, Michael (1497) | Won 2-0 | +181518 |
| 6standard | 852 | Zlotoiabko, Boris (1472) | Lost 1-2 | -191499 |
| 7standard | 825 | Trulov, Kevin (1503) | Lost 0-2 | -181481 |
| top | average opponent: 1491record: 3-4 | new rating: 1481 | ||