Brezina, Joseph
Current rating: 1577
Record: 21-17
| Grand Prix Las Vegas 2019 (modern) (modern) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 212 | Mosqueda, Daniel (1530) | Lost 1-2 | -191552 |
| 3modern | 500 | Munoz, Richard (1386) | Won 2-0 | +151567 |
| 4modern | 438 | Grove, Derek (1519) | Lost 1-2 | -191548 |
| 5modern | 563 | Betts, Jeremy (1416) | Won 2-0 | +161564 |
| 6modern | 443 | Ko, Jason (1608) | Won 2-0 | +191583 |
| 7modern | 214 | Kyaw, Seaver (1510) | Won 2-0 | +161599 |
| 8modern | 217 | Ewing, Christopher (1362) | Lost 0-2 | -221577 |
| top | average opponent: 1476record: 4-3 | new rating: 1577 | ||
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 71 | Palmer, Christopher (1500) | Lost 1-2 | -191515 |
| 2modern | 405 | Cragg, Joshua (1428) | Won 2-0 | +171532 |
| 3modern | 380 | Morrison, Shawn (1465) | Won 2-0 | +161548 |
| 4modern | 256 | Vu, Bach (1479) | Won 2-0 | +171565 |
| 5modern | 141 | Staver, Alex (1787) | Lost 1-2 | -141551 |
| 6modern | 395 | Yearwood, Alexander (1663) | Lost 0-2 | -161535 |
| 7modern | 351 | McGinley, Sage (1493) | Won 2-0 | +171552 |
| 8modern | 292 | Kan, Andrew (1574) | Won 2-0 | +191571 |
| top | average opponent: 1549record: 5-3 | new rating: 1571 | ||
| Grand Prix Oakland 2019 (modern) | starting rating: 1489 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 306 | Castruita, Johnathan (1500) | Won 2-0 | +181507 |
| 2modern | 236 | Parise, Brett (1493) | Won 2-0 | +181525 |
| 3modern | 100 | Mendoza Cruz, Gerardo (1765) | Won 2-1 | +221547 |
| 4modern | 30 | Bowman, Jd (1559) | Lost 0-2 | -181529 |
| 5modern | 141 | Johnson, Nicolas (1535) | Lost 0-2 | -181511 |
| 6modern | 191 | Lee, David (1552) | Won 2-1 | +191530 |
| 7modern | 161 | Lewis, Alexander (1589) | Won 2-0 | +191549 |
| 8modern | 111 | Miller, Kyle2954 (1706) | Lost 0-2 | -151534 |
| top | average opponent: 1587record: 5-3 | new rating: 1534 | ||
| Grand Prix Portland 2018 (modern) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 513 | Ellis, Leif (1402) | Lost 1-2 | -201465 |
| 2modern | 705 | Lee, Tanner (1481) | Won 2-0 | +191484 |
| 3modern | 437 | Bodnar, Christian (1501) | Won 2-0 | +181502 |
| 4modern | 411 | Grossmann, Ben (1493) | Lost 0-2 | -181484 |
| 5modern | 431 | Hanson, Ryan (1501) | Won 2-1 | +181502 |
| 6modern | 261 | Pearson, Austin (1581) | Lost 1-2 | -161486 |
| 7modern | 455 | Frljanic, Stefan (1504) | Won 2-0 | +181504 |
| 8modern | 261 | Wu, Jia (1652) | Lost 0-2 | -151489 |
| top | average opponent: 1514record: 4-4 | new rating: 1489 | ||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 602 | Monsees, Nathaniel (1694) | Lost 1-2 | -151485 |
| 4modern | 112 | Hixson, Jeremy (1533) | Lost 0-2 | -171468 |
| 5modern | 880 | Sacino, Joey (1509) | Won 2-0 | +191487 |
| 6modern | 859 | Palmiere, Patrick (1485) | Lost 1-2 | -181469 |
| 7modern | 937 | Henry, Cameron (1287) | Won 2-0 | +151484 |
| 8modern | 800 | Bock, Justin (1503) | Lost 0-2 | -181466 |
| 9modern | 727 | Kuwahara, Yoshiki (1515) | Won 2-1 | +191485 |
| top | average opponent: 1504record: 3-4 | new rating: 1485 | ||