Kornack, Patrick
Current rating: 1347
| Grand Prix Prague 2018 (modern) | starting rating: 1428 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 470 | Chovan, Jaroslav (1584) | Lost 1-2 | -151413 |
| 2modern | 554 | Solbeck, David (1548) | Lost 0-2 | -161397 |
| 3modern | 944 | Haspl, Nicco (1466) | Won 2-0 | +191416 |
| 4modern | 663 | Gandren, Christoffer (1487) | Lost 0-2 | -161400 |
| 5modern | 877 | Navickas, Stanislovas (1353) | Lost 0-2 | -191381 |
| 6modern | 787 | Grigoli, Matteo (1444) | Lost 0-2 | -171364 |
| 7modern | 734 | Fichtner, Myriel (1432) | Lost 1-2 | -171347 |
| top | average opponent: 1473record: 1-6 | new rating: 1347 | ||
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 81 | Braun, Jean-Baptiste (1469) | Won 2-0 | +181482 |
| 2standard | 128 | Bender, Raphael (1477) | Lost 1-2 | -181464 |
| 3standard | 329 | Arndt, Jochen (1441) | Lost 1-2 | -191445 |
| 4standard | 423 | Van Lierde, Joachim (1504) | Won 2-1 | +191464 |
| 5standard | 316 | Taling, Mark (1417) | Lost 1-2 | -181446 |
| 6standard | 403 | Campbell, Gary (1462) | Lost 0-2 | -181428 |
| top | average opponent: 1462record: 2-4 | new rating: 1428 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 75 | Smekal, Jan (1500) | Won 2-0 | +181518 |
| 2sealed | 18 | Gurel, Ramazan Eray (1585) | Lost 0-2 | -171501 |
| 3sealed | 777 | Dobrynin, Egor (1531) | Lost 1-2 | -171484 |
| 4sealed | 841 | Maddalena, Fabiano (1419) | Lost 0-2 | -191465 |
| 5sealed | 824 | Essl, Bernhard (1394) | Lost 1-2 | -201445 |
| 6sealed | 820 | Radosovsky, Matej (1446) | Won 2-0 | +181463 |
| 7sealed | 694 | Borkicher, Sascha (1468) | Lost 0-2 | -181445 |
| 8sealed | 665 | Grandi, Franco (1465) | Won 2-0 | +191464 |
| top | average opponent: 1476record: 3-5 | new rating: 1464 | ||