Siepen, Charles
Current rating: 1468
Record: 4-6
| Grand Prix Amsterdam 2017 (AKH standard) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 155 | Alihodzic, Adnan (1500) | Lost 0-2 | -181468 |
| record: 0-1 | new rating: 1468 | |||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 95 | Rodriguez, Jorge (1496) | Won 2-0 | +181518 |
| 2standard | 133 | Verbiest, Bart (1556) | Won 2-1 | +191537 |
| 3standard | 115 | Ridoux, Paul (1583) | Lost 0-2 | -181519 |
| 4standard | 219 | Galand, Nathan (1504) | Won 2-1 | +181537 |
| 5standard | 216 | Badiali, Tommaso (1461) | Lost 0-2 | -191518 |
| 6standard | 253 | Schmidt, Uwe (1525) | Won 2-1 | +181536 |
| 7standard | 212 | Guironnet, Benoit (1658) | Lost 0-2 | -161520 |
| 8standard | 372 | Domingues, Anthony Virgilio (1506) | Lost 0-2 | -181502 |
| 9standard | 421 | Aursand, Preben (1595) | Lost 0-2 | -161486 |
| average opponent: 1543record: 4-5 | new rating: 1486 | |||