Lazzaro, John
Current rating: 1436
Record: 3-7
| Grand Prix Hartford 2018 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 568 | Martins, Matthew (1447) | Won 2-1 | +171487 |
| 2modern | 155 | Crowley, Michael (1574) | Lost 1-2 | -161471 |
| 3modern | 576 | Wagner, Craig (1502) | Lost 1-2 | -181453 |
| 4modern | 633 | Gilligan, Matthew (1482) | Lost 0-2 | -171436 |
| average opponent: 1501record: 1-3 | new rating: 1436 | |||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 441 | Mitchell, Shawn (1516) | Won 2-0 | +181518 |
| 2standard | 242 | Elias, Dustin (1500) | Won 2-1 | +181536 |
| 3standard | 108 | King, Kevin (1582) | Lost 0-2 | -171519 |
| 4standard | 261 | Bundy, Adam (1844) | Lost 0-2 | -121507 |
| 5standard | 375 | Smith, Airrion (1503) | Lost 0-2 | -191488 |
| 6standard | 565 | Ruffa, Joshua (1436) | Lost 1-2 | -181470 |
| average opponent: 1564record: 2-4 | new rating: 1470 | |||