Straka, Martin
Current rating: 1407
Record: 5-10-2
| Grand Prix Prague 2018 (modern) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 99 | Silva, Marco (1380) | Lost 1-2 | -201464 |
| 2modern | 622 | Leitner, Thomas (1482) | Lost 0-2 | -181446 |
| 3modern | 854 | Theurel, Jonathan (1475) | Lost 1-2 | -171429 |
| 4modern | 952 | Berio, Davide (1241) | Won 2-1 | +141443 |
| 5modern | 804 | Hocquemiller, Vincent (1415) | Lost 0-2 | -181425 |
| 6modern | 799 | Alward, Florian (1446) | Draw 1-1 | 01425 |
| 7modern | 721 | Bloess, Josua (1451) | Draw 1-1 | +11426 |
| 8modern | 652 | Kessler, Jens (1375) | Lost 0-2 | -191407 |
| average opponent: 1408record: 1-5-2 | new rating: 1407 | |||
| Grand Prix Prague 2015 (ORI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 66 | Tetera, Filip (1500) | Lost 1-2 | -181482 |
| 2standard | 436 | Bujanowicz, Pawel (1517) | Lost 0-2 | -171465 |
| 3standard | 648 | Prihoda, Jaromir (1465) | Lost 1-2 | -181447 |
| 4standard | 684 | Nemec, Jan (1453) | Won 2-0 | +181465 |
| 5standard | 610 | Armitstead, Julian (1498) | Lost 1-2 | -181447 |
| 6standard | 589 | Patrascu, Michael (1446) | Won 2-1 | +181465 |
| 7standard | 490 | Gromada, Piotr (1524) | Won 2-0 | +191484 |
| 8standard | 360 | da Silva, Cesar (1390) | Lost 0-2 | -191465 |
| 9standard | 334 | Catana, Ciprian (1516) | Won 2-0 | +191484 |
| average opponent: 1479record: 4-5 | new rating: 1484 | |||