Ahrentzen, Jakob Frey
Current rating: 1491
Record: 12-13
| Grand Prix Stockholm 2014 (KTK standard) | starting rating: 1491 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 125 | Joe, Simo (1500) | Won 2-1 | +181509 |
| 2standard | 46 | da Silva, Cesar (1359) | Won 2-0 | +151524 |
| 3standard | 85 | Kaapro, Tomi (1564) | Lost 1-2 | -171507 |
| 4standard | 309 | Pitis, Radu (1517) | Lost 0-2 | -181489 |
| 5standard | 362 | Linder, Anton (1510) | Won 2-1 | +191508 |
| 6standard | 180 | Hammarlund Corselli, Michael (1597) | Lost 1-2 | -171491 |
| top | average opponent: 1508record: 3-3 | new rating: 1491 | ||
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 235 | Godinho, Diogo (1463) | Lost 1-2 | -181482 |
| 2standard | 438 | Wardenier, Niels (1482) | Won 2-0 | +181500 |
| 3standard | 337 | Adebo Diaz, Juan Carlos (1796) | Lost 1-2 | -131487 |
| 4standard | 639 | Konieczny, Dominik (1763) | Won 2-0 | +231510 |
| 5standard | 439 | Juerschik, Sabine (1464) | Lost 1-2 | -191491 |
| top | average opponent: 1594record: 2-3 | new rating: 1491 | ||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 52 | Christiansen, Jeppe Brandt (1485) | Won 2-0 | +171538 |
| 2sealed | 53 | Bagge Johansson, Henrik (1518) | Lost 1-2 | -181520 |
| 3sealed | 300 | Kulikov, Mikhail (1516) | Won 2-0 | +181538 |
| 4sealed | 202 | Sjostrand, Jonas (1451) | Lost 1-2 | -201518 |
| 5sealed | 270 | Jorgensen, Anders Masannek (1516) | Lost 1-2 | -181500 |
| top | average opponent: 1497record: 2-3 | new rating: 1500 | ||
| Grand Prix Strasbourg 2013 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 457 | Turin, Vincent (1500) | Lost 0-2 | -181482 |
| 2legacy | 454 | Habura, Bastian (1574) | Lost 0-2 | -161466 |
| 3legacy | 533 | Perrin, Maxence (1398) | Won 0-0 | +161482 |
| 4legacy | 584 | Graillet, Francois (1447) | Won 2-1 | +181500 |
| 5legacy | 448 | Wild, Patrick (1634) | Won 2-1 | +201520 |
| 6legacy | 369 | Clerc, Benjamin (1559) | Lost 0-2 | -171503 |
| 7legacy | 374 | Jans, Roel (1555) | Won 2-1 | +191522 |
| 8legacy | 230 | Bednarik, Richard (1458) | Lost 1-2 | -191503 |
| 9legacy | 290 | Lachaud, Remy (1518) | Won 2-1 | +181521 |
| top | average opponent: 1516record: 5-4 | new rating: 1521 | ||