Mazuca, James
Current rating: 1349
Record: 4-14-1
| Grand Prix Denver 2013 (legacy) | starting rating: 1388 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 145 | Decarolis, David (1500) | Lost 1-2 | -161372 |
| 2legacy | 181 | Peterson, Thor (1481) | Draw 1-1 | +21374 |
| 3legacy | 244 | COUEY, ROBB (1465) | Lost 1-2 | -161358 |
| 4legacy | 317 | Mohr, Tim (1483) | Won 2-1 | +201378 |
| 5legacy | 274 | Mcadams, Daniel J (1484) | Lost 1-2 | -161362 |
| 6legacy | 261 | Sims, Erin (1446) | Won 2-1 | +191381 |
| 7legacy | 213 | SZWABOWSKI, EDDIE (1480) | Lost 0-2 | -161365 |
| 8legacy | 190 | Ferderer, Jesse (1451) | Lost 1-2 | -161349 |
| top | average opponent: 1474record: 2-5-1 | new rating: 1349 | ||
| Grand Prix San Antonio 2012 (RTR standard) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 263 | Poole, Brooke (1500) | Won 2-1 | +201432 |
| 2standard | 164 | Salinas, Merced D (1602) | Won 2-0 | +211453 |
| 3standard | 69 | Chambers, Jeff (1536) | Lost 1-2 | -171436 |
| 4standard | 130 | Hiruko, Christopher (1521) | Lost 1-2 | -161420 |
| 5standard | 278 | Maguire, Justin (1554) | Lost 1-2 | -161404 |
| 6standard | 240 | Hamzehloo, Kj (1500) | Lost 1-2 | -161388 |
| top | average opponent: 1535record: 2-4 | new rating: 1388 | ||
| Grand Prix Austin 2012 (ISD limited) | starting rating: 1446 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 234 | Holderfield, Drew T (1464) | Lost 1-2 | -171429 |
| 2sealed | 334 | Lopez, Daniel O (1499) | Lost 0-2 | -171412 |
| top | average opponent: 1481record: 0-2 | new rating: 1412 | ||
| Grand Prix Dallas-Fort Worth 2011 (MBS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 176 | Fager, Zachary (1533) | Lost 0-2 | -171483 |
| 2standard | 461 | Young, Michael (1473) | Lost 0-2 | -191464 |
| 3standard | 431 | McIntosh, Michael (1464) | Lost 0-2 | -181446 |
| top | average opponent: 1490record: 0-3 | new rating: 1446 | ||