Horby-Olsen, Jakob
Current rating: 1461
Record: 12-15-1
| Grand Prix Copenhagen 2019 (MH1 limited) | starting rating: 1495 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 376 | Lose, Nikolaj (1524) | Won 2-1 | +181513 |
| 2sealed | 209 | Laine, Lauri (1439) | Draw 1-1 | -11512 |
| 3sealed | 298 | Hagedorn, David (1700) | Lost 0-2 | -151497 |
| 4sealed | 421 | Rasmussen, Tom (1434) | Lost 1-2 | -191478 |
| 5sealed | 487 | Johansson, Oskar (1518) | Lost 0-2 | -171461 |
| top | average opponent: 1523record: 1-3-1 | new rating: 1461 | ||
| Grand Prix Prague 2019 (UMA limited) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 595 | Hackner, Stefan (1500) | Lost 1-2 | -181476 |
| 2sealed | 1162 | Kuhlmann, Kaspar (1484) | Won 2-0 | +181494 |
| 3sealed | 638 | Kall, Marian (1564) | Lost 0-2 | -171477 |
| 4sealed | 882 | Tollkuhn, Michael (1485) | Won 2-1 | +181495 |
| 5sealed | 685 | Glasel, Nils (1502) | Won 2-0 | +191514 |
| 6sealed | 459 | Pedersen, Hans Martin (1471) | Lost 0-2 | -191495 |
| top | average opponent: 1501record: 3-3 | new rating: 1495 | ||
| Grand Prix Copenhagen 2018 (DOM standard) | starting rating: 1481 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 45 | Johansson, Martin (1571) | Won 2-0 | +191500 |
| 2standard | 9 | Cofalik, Szymon (1691) | Won 2-1 | +221522 |
| 3standard | 79 | Kuisma, Matti (1811) | Lost 0-2 | -131509 |
| 4standard | 199 | Meyer, Wage (1415) | Won 2-1 | +161525 |
| 5standard | 59 | Bobak, Andrzej (1435) | Won 2-0 | +161541 |
| 6standard | 30 | Vatthauer, Hannes (1580) | Lost 1-2 | -171524 |
| 7standard | 130 | Giannoulas, Christos (1785) | Lost 1-2 | -131511 |
| 8standard | 168 | Lote, Nick (1566) | Lost 0-2 | -171494 |
| top | average opponent: 1607record: 4-4 | new rating: 1494 | ||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 215 | Winkler, Eric (1552) | Lost 0-2 | -171483 |
| 2sealed | 292 | Remi, Alexander (1417) | Won 2-1 | +171500 |
| 3sealed | 293 | Medin, Christoffer (1502) | Lost 0-2 | -181482 |
| 4sealed | 363 | Johansson, Jimmy (1482) | Lost 0-2 | -181464 |
| 5sealed | 370 | Blome, Ragnar (1464) | Lost 0-2 | -181446 |
| 6sealed | 352 | Aaboen, Nikolai (1369) | Won 2-0 | +161462 |
| 7sealed | 281 | Davids, Peter (1465) | Won 2-1 | +181480 |
| 8sealed | 223 | Myrholm, Anton (1487) | Lost 0-2 | -171463 |
| 9sealed | 210 | Boman, Daniel (1461) | Won 2-1 | +181481 |
| top | average opponent: 1466record: 4-5 | new rating: 1481 | ||