Ketzer, Julius
Current rating: 1450
Record: 11-16
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1485 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 154 | Silva, Ernesto (1500) | Lost 0-2 | -181467 |
| 2sealed | 419 | Marino, Jan Marc (1498) | Lost 0-2 | -171450 |
| 3sealed | 586 | Horlyck, Frederik (1464) | Won 2-0 | +181468 |
| 4sealed | 564 | Zisik, Armin (1480) | Lost 1-2 | -181450 |
| top | average opponent: 1486record: 1-3 | new rating: 1450 | ||
| Grand Prix Strasbourg 2019 (RNA limited) | starting rating: 1430 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 252 | Leiensetter, Marc (1619) | Lost 1-2 | -151415 |
| 2sealed | 602 | Tramarin, Patrick (1482) | Won 2-0 | +201435 |
| 3sealed | 397 | Fricke, Lars (1501) | Won 2-0 | +191454 |
| 4sealed | 332 | Dodin, Laurent (1597) | Won 2-1 | +201474 |
| 5sealed | 167 | Nowak, Tim (1542) | Lost 0-2 | -161458 |
| 6sealed | 387 | Aguzzi, Evan (1730) | Lost 0-2 | -141444 |
| 7sealed | 398 | Szadurski, Mateusz (1604) | Won 2-1 | +211465 |
| 8sealed | 323 | Perrault, Stephan (1560) | Won 2-1 | +201485 |
| top | average opponent: 1580record: 5-3 | new rating: 1485 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1412 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 232 | Taraska, Michal (1500) | Won 2-0 | +191431 |
| 2sealed | 405 | Graham, Lee (1557) | Won 2-0 | +211452 |
| 3sealed | 18 | King, Stuart (1609) | Won 2-0 | +201472 |
| 4sealed | 7 | Zeal, Dominic (1567) | Lost 1-2 | -161456 |
| 5sealed | 207 | Fontaine, Marc (1552) | Won 2-1 | +201476 |
| 6sealed | 278 | Pletinckx, Kenneth (1614) | Lost 0-2 | -161460 |
| 7sealed | 419 | Musmacher, Thomas (1698) | Lost 0-2 | -131447 |
| 8sealed | 338 | Gordon, Joshua (1518) | Lost 0-2 | -171430 |
| top | average opponent: 1577record: 4-4 | new rating: 1430 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 562 | Engelmann, Gregor (1500) | Lost 0-2 | -181482 |
| 2sealed | 636 | Danz, Jakob (1520) | Won 2-0 | +191501 |
| 3sealed | 506 | Macaione, Angelo (1555) | Lost 0-2 | -171484 |
| 4sealed | 832 | Wieser, Lukas (1418) | Lost 1-2 | -201464 |
| 5sealed | 802 | Beck, Markus (1532) | Lost 0-2 | -161448 |
| 6sealed | 823 | Varaksin, Aleksey (1457) | Lost 1-2 | -181430 |
| 7sealed | 738 | Di Cesare, Marco (1422) | Lost 0-2 | -181412 |
| top | average opponent: 1486record: 1-6 | new rating: 1412 | ||