Kaper, Rudolf
Current rating: 1459
Record: 7-9
| Grand Prix Utrecht 2014 (M15 standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 406 | Li, Dennis (1524) | Won 2-0 | +181539 |
| 2standard | 286 | Offenberg, Barend (1566) | Lost 1-2 | -181521 |
| 3standard | 343 | Van Rooij, Peter (1307) | Lost 0-2 | -221499 |
| 4standard | 490 | Verwoerd, Jeffrey (1483) | Won 2-1 | +181517 |
| 5standard | 400 | Deceuninck, Serge (1499) | Lost 0-2 | -181499 |
| 6standard | 546 | Claes, Nick (1469) | Lost 1-2 | -191480 |
| 7standard | 453 | Beckmann, Marcel (1398) | Won 2-0 | +171497 |
| 8standard | 360 | Derpmann, Werner (1371) | Lost 1-2 | -211476 |
| 9standard | 353 | Hartwig, Tom (1523) | Lost 1-2 | -171459 |
| average opponent: 1460record: 3-6 | new rating: 1459 | |||
| Grand Prix Bochum 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 670 | Jung, Carsten (1498) | Lost 0-2 | -181482 |
| 2standard | 846 | Coppes, Tobias (1482) | Won 2-1 | +181500 |
| 3standard | 697 | Al-Rubei, Julien Phillip Christian (1501) | Won 2-1 | +181518 |
| 4standard | 634 | Scheiba, Daniel (1520) | Won 2-0 | +181536 |
| 5standard | 594 | Michelsen, Mark (1519) | Won 2-1 | +181554 |
| 6standard | 567 | Tobiasch, Marc (1727) | Lost 0-2 | -151539 |
| 7standard | 633 | Kenyeres, Akos (1532) | Lost 1-2 | -181521 |
| average opponent: 1540record: 4-3 | new rating: 1521 | |||