Drevin, Olof
Current rating: 1427
Record: 4-8-2
| Grand Prix Vienna 2013 (THS standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 143 | Anceschi, Marco (1621) | Lost 1-2 | -161484 |
| 2standard | 337 | Krochmalny, Tomasz (1482) | Lost 1-2 | -181466 |
| 3standard | 635 | Draack, Fabian (1431) | Won 2-0 | +171483 |
| 4standard | 578 | Lassacher, Klaus (1483) | Lost 0-2 | -181465 |
| 5standard | 629 | Akdamar, Meric (1423) | Lost 1-2 | -181447 |
| 6standard | 617 | Osherov, Kirill (1416) | Won 2-0 | +171464 |
| 7standard | 553 | Halczak, Mateusz (1402) | Lost 1-2 | -191445 |
| 8standard | 495 | Wais, Jonathan (1447) | Lost 0-2 | -181427 |
| average opponent: 1463record: 2-6 | new rating: 1427 | |||
| Grand Prix Gothenburg 2013 (DGM limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 302 | Gjerstad, Mans (1500) | Lost 1-2 | -181482 |
| 2sealed | 307 | Andersson, Andreas (1428) | Won 2-0 | +171499 |
| 3sealed | 361 | Piroddi, Dario (1513) | Draw 1-1 | 01499 |
| 4sealed | 309 | Thoren, Henrik (1498) | Won 2-0 | +181517 |
| 5sealed | 221 | Nicosia, Alvaro (1550) | Draw 1-1 | +11518 |
| 6sealed | 289 | Nilsson Tornquist, Anders (1515) | Lost 0-2 | -181500 |
| average opponent: 1501record: 2-2-2 | new rating: 1500 | |||