Barna, Zoltan
Current rating: 1453
Record: 5-8
| Grand Prix Toronto 2018 (modern) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 402 | Da Silva, Alex (1500) | Won 2-0 | +191464 |
| 2modern | 337 | Ouimet, Guillaume (1613) | Lost 0-2 | -151449 |
| 3modern | 649 | Rappl, Sam (1499) | Lost 1-2 | -171432 |
| 4modern | 539 | Eckert, Mallory (1504) | Won 2-0 | +191451 |
| 5modern | 584 | Ho, Scott (1517) | Won 2-1 | +191470 |
| 6modern | 316 | Brian, Thomas (1420) | Won 2-0 | +171487 |
| 7modern | 235 | Xia, Tim (1542) | Lost 1-2 | -171470 |
| 8modern | 342 | Johnston, James (1503) | Lost 0-2 | -171453 |
| average opponent: 1512record: 4-4 | new rating: 1453 | |||
| Grand Prix Toronto 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 151 | Malone, Justin (1364) | Lost 1-2 | -201480 |
| 2standard | 508 | Lanthier, Francis (1416) | Won 2-0 | +161496 |
| 3standard | 459 | De Carolis, Paul (1625) | Lost 0-2 | -151481 |
| 4standard | 625 | Dail, Chris (1498) | Lost 0-2 | -181463 |
| 5standard | 619 | Nielsen, Mark (1464) | Lost 0-2 | -181445 |
| average opponent: 1473record: 1-4 | new rating: 1445 | |||