Harris, Ezra
Current rating: 1531
| Grand Prix Pittsburgh 2011 (M12 standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 270 | Tuck, Linzie (1518) | Won 2-0 | +191498 |
| 3standard | 208 | Jordan, Andrew (1537) | Won 2-1 | +191517 |
| 4standard | 119 | Droge, Kurtis (1577) | Lost 0-2 | -171500 |
| 5standard | 275 | DeMars, Brian (1798) | Won 2-1 | +231523 |
| 6standard | 133 | Froehlich, Eric (2036) | Lost 0-2 | -91514 |
| 7standard | 218 | Setree, Cody (1534) | Won 2-1 | +181532 |
| 8standard | 90 | Shackelford, Christoph (1484) | Won 2-0 | +171549 |
| 9standard | 61 | Evans, Fred L (1521) | Lost 1-2 | -181531 |
| top | average opponent: 1626record: 5-3 | new rating: 1531 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 100 | Rees, Jimm (1500) | Lost 0-2 | -181497 |
| 2standard | 286 | Brimer, Curtis (1502) | Lost 0-2 | -181479 |
| 3standard | 365 | Robinson, Scott (1464) | Won 2-0 | +171496 |
| 4standard | 303 | Pincus, Max (1545) | Lost 1-2 | -171479 |
| top | average opponent: 1503record: 1-3 | new rating: 1479 | ||
| Grand Prix Boston 2009 (M10 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 179 | Glazier, Jeffrey A (1535) | Won 2-0 | +191519 |
| 2sealed | 150 | Jack, Nathaniel (1488) | Won 2-1 | +171536 |
| 3sealed | 64 | Patnode, Nicholas (1519) | Won 2-0 | +181554 |
| 4sealed | 86 | Ashton, Thomas (1476) | Lost 0-2 | -201534 |
| 5sealed | 63 | DiPalma, Robert (1468) | Lost 1-2 | -191515 |
| 6sealed | 139 | Grimes, Zachary (1500) | Won 2-0 | +181533 |
| 7sealed | 133 | Meadows, Gerald (1536) | Lost 1-2 | -181515 |
| top | average opponent: 1503record: 4-3 | new rating: 1515 | ||