Mazzeo, Charlie
Current rating: 1484
Record: 7-8
| Grand Prix Milwaukee 2018 (GRN standard) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 23 | Names, Jarman (1500) | Won 2-0 | +181500 |
| 2standard | 86 | Bogdanov, Dennis (1672) | Won 2-0 | +211521 |
| 3standard | 41 | Chaney, Joe (1538) | Lost 1-2 | -171504 |
| 4standard | 352 | Hay, Kyle (1450) | Won 2-0 | +171521 |
| 5standard | 169 | Fontaine, Adam (1486) | Lost 1-2 | -191502 |
| 6standard | 346 | Dylla, Henry (1499) | Lost 1-2 | -181484 |
| average opponent: 1524record: 3-3 | new rating: 1484 | |||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 495 | Kuzma, Chuck (1500) | Lost 1-2 | -181482 |
| 2standard | 430 | Gannon, Chris (1487) | Won 2-0 | +181500 |
| 3standard | 441 | Perales, Jose (1500) | Lost 1-2 | -181482 |
| 4standard | 668 | Bunnell, Brad (1426) | Lost 1-2 | -191463 |
| 5standard | 656 | Graham, Mary (1464) | Won 0-0 | +181481 |
| 6standard | 543 | Copeland, Evan (1480) | Won 2-0 | +181499 |
| 7standard | 468 | Blake, Paul (1513) | Won 2-1 | +181517 |
| 8standard | 292 | Horn, Kyle (1491) | Lost 1-2 | -181499 |
| 9standard | 328 | Meyer, Shawn (1562) | Lost 0-2 | -171482 |
| average opponent: 1491record: 4-5 | new rating: 1482 | |||