Kroon, Jacob
Current rating: 1472
Record: 5-7
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 89 | Barba, Alexandru (1500) | Won 2-0 | +191480 |
| 2modern | 332 | Bendtsen, Johan (1519) | Won 2-0 | +191499 |
| 3modern | 300 | Schmit, Claude (1662) | Won 2-1 | +211520 |
| 4modern | 194 | Van Compernolle, Luc (1604) | Lost 1-2 | -171503 |
| 5modern | 52 | Kallan, Gustav (1469) | Lost 0-2 | -181485 |
| 6modern | 414 | Barlow, Kristian (1503) | Lost 1-2 | -181467 |
| 7modern | 519 | Schneider, Valentin (1556) | Won 2-1 | +201487 |
| 8modern | 342 | Jensen, Steffen Dannemann (1648) | Lost 0-2 | -151472 |
| average opponent: 1558record: 4-4 | new rating: 1472 | |||
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 192 | Gill, Joakim (1470) | Won 2-1 | +171517 |
| 2standard | 187 | Karstrom, Kristoffer (1536) | Lost 0-2 | -171500 |
| 3standard | 427 | Syren, Gustav (1496) | Lost 1-2 | -181482 |
| 4standard | 75 | Leber, Denis (1356) | Lost 0-2 | -211461 |
| average opponent: 1465record: 1-3 | new rating: 1461 | |||