Haarmann, Oliver
Current rating: 1374
Record: 5-13
| Grand Prix Utrecht 2017 (AER standard) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 146 | Lindroos, Jani (1721) | Won 2-0 | +231436 |
| 2standard | 51 | Hauch, Jacob (1468) | Lost 0-2 | -171419 |
| 3standard | 423 | Makovsky, Vladimir (1773) | Lost 0-2 | -121407 |
| 4standard | 462 | Calvo De Lara, Miguel (1387) | Lost 1-2 | -181389 |
| 5standard | 515 | Leikvold, Marius (1465) | Lost 1-2 | -171372 |
| 6standard | 545 | Visser, Bart (1317) | Won 2-1 | +171389 |
| 7standard | 490 | Munsch, Jan (1382) | Lost 1-2 | -181371 |
| 8standard | 441 | Veen, Joeri (1450) | Lost 1-2 | -161355 |
| 9standard | 411 | Budde, Hendrik (1430) | Won 2-0 | +191374 |
| average opponent: 1488record: 3-6 | new rating: 1374 | |||
| Grand Prix Warsaw 2016 (KLD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 45 | Romero, Cristian (1500) | Lost 0-2 | -181482 |
| 2standard | 348 | Warzyszynski, Piotr (1451) | Lost 0-2 | -191463 |
| 3standard | 503 | Rizzi, Giuseppe (1531) | Lost 0-2 | -161447 |
| 4standard | 539 | Dziekan, Lukasz (1574) | Lost 0-2 | -161431 |
| 5standard | 529 | Dageroth, Benjamin (1608) | Won 2-1 | +211452 |
| 6standard | 507 | Tacha, Joachim (1425) | Lost 0-2 | -181434 |
| 7standard | 474 | Kozlowski, Lukasz (1427) | Lost 0-2 | -181416 |
| 8standard | 433 | Kryskiewicz, Wlodzimierz (1299) | Lost 1-2 | -211395 |
| 9standard | 394 | Kalisz, Oliwier (1374) | Won 2-0 | +181413 |
| average opponent: 1465record: 2-7 | new rating: 1413 | |||