Breit, Marco
Current rating: 1519
| Grand Prix Bologna 2016 (modern) | starting rating: 1534 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 219 | Boon, Axel (1500) | Won 2-1 | +171551 |
| 2modern | 112 | Icardi, Francesco (1546) | Won 2-1 | +181569 |
| 3modern | 518 | Chronopoulos, Bill (2006) | Won 2-0 | +261595 |
| 4modern | 143 | Pizzi, William (1534) | Lost 1-2 | -201575 |
| 5modern | 407 | Fyssas, Antonis (1698) | Lost 0-2 | -151560 |
| 6modern | 398 | Groth, Johannes (1428) | Lost 1-2 | -211539 |
| 7modern | 661 | Bom, Bernard (1388) | Lost 0-2 | -201519 |
| top | average opponent: 1586record: 3-4 | new rating: 1519 | ||
| Grand Prix Copenhagen 2015 (modern) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 319 | Heineck, Lars (1500) | Won 2-0 | +191478 |
| 2modern | 115 | Londos, Ludvig (1875) | Won 2-0 | +251503 |
| 3modern | 175 | Ryding, Erik (1509) | Won 2-0 | +181521 |
| 4modern | 29 | Milis, Michael (1810) | Won 2-1 | +231544 |
| 5modern | 26 | Prindal-Nielsen, Kasper (1572) | Won 2-1 | +191563 |
| 6modern | 37 | Tenthof Van Noorden, Joko (1605) | Lost 0-2 | -181545 |
| 7modern | 95 | Wallin, Peter (1681) | Lost 0-2 | -151530 |
| 8modern | 178 | Sibast, Rasmus (1761) | Lost 0-2 | -141516 |
| 9modern | 144 | Augustsen, Jeppe (1501) | Won 2-1 | +181534 |
| top | average opponent: 1646record: 6-3 | new rating: 1534 | ||
| Grand Prix Madrid 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 36 | Bernal Exposito, Angel (1464) | Lost 1-2 | -191481 |
| 2modern | 500 | Jurado Montalban, Pedro (1409) | Lost 0-2 | -191462 |
| 3modern | 865 | Cotillas, Roberto (1463) | Won 2-1 | +181480 |
| 4modern | 709 | Guidez, Nicolas (1332) | Lost 0-2 | -211459 |
| top | average opponent: 1417record: 1-3 | new rating: 1459 | ||