Chapron, Pierre
Current rating: 1579
| Grand Prix Lyon 2018 (modern) | starting rating: 1585 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 381 | Amuzu, Marvin (1523) | Lost 0-2 | -191566 |
| 2modern | 549 | Gruber, Ivan (1807) | Lost 1-2 | -141552 |
| 3modern | 985 | Husser, Jean-Luc (1464) | Won 2-0 | +161568 |
| 4modern | 704 | Cadilek, Christoph (1465) | Lost 0-2 | -191549 |
| 5modern | 817 | Miller, Thomas [ENG] (1520) | Won 2-1 | +171566 |
| 6modern | 703 | Brocker, Herve (1484) | Won 2-1 | +171583 |
| 7modern | 607 | Ganzevles, Peter (1493) | Lost 1-2 | -201563 |
| 8modern | 626 | Zappavigna, Julien (1434) | Won 2-0 | +161579 |
| top | average opponent: 1524record: 4-4 | new rating: 1579 | ||
| Grand Prix Paris 2016 (OGW standard) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 257 | Telarov, Aleksa (1847) | Won 2-0 | +221610 |
| 4standard | 31 | Ridoux, Paul (1601) | Lost 1-2 | -181592 |
| 5standard | 175 | Neirynck, Branco (1895) | Lost 0-2 | -121580 |
| 6standard | 388 | Vieren, Peter (1973) | Lost 0-2 | -121568 |
| 7standard | 399 | Charlet, Julien (1458) | Won 2-1 | +161584 |
| 8standard | 321 | Niznansky, Milan (1696) | Lost 1-2 | -161568 |
| 9standard | 404 | Dondon, Arnaud (1478) | Won 2-1 | +171585 |
| top | average opponent: 1707record: 3-4 | new rating: 1585 | ||
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 117 | Krieger, Philipp (1606) | Lost 0-2 | -161508 |
| 2sealed | 579 | Bougharda, Diamanta (1480) | Won 2-1 | +171525 |
| 3sealed | 555 | Krauer, Florian (1823) | Lost 1-2 | -121513 |
| 4sealed | 647 | Lefevre, Paul (1487) | Won 2-1 | +171530 |
| 5sealed | 657 | SINICI BARGALLO, LLUIS JOSEP (1502) | Won 2-0 | +181548 |
| 6sealed | 317 | Gay Peiller, Nicolas (1506) | Won 2-1 | +171565 |
| 7sealed | 349 | Moure, Matteo (1916) | Lost 1-2 | -121553 |
| 8sealed | 332 | GERARDIN, Baptiste (1525) | Won 0-0 | +171570 |
| 9sealed | 231 | Bastogne, Jerome (1539) | Won 2-1 | +181588 |
| top | average opponent: 1598record: 6-3 | new rating: 1588 | ||
| Grand Prix Paris 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 79 | Janon, Quentin (1443) | Won 2-0 | +171517 |
| 2standard | 163 | Van Raemdonck, Cederic (1581) | Lost 0-2 | -171500 |
| 3standard | 505 | Hinfray, Olivier (1276) | Won 2-1 | +141514 |
| 4standard | 370 | Baggi-Sani, Thomas (1519) | Won 2-0 | +181532 |
| 5standard | 162 | Blondel, Nicolas (1702) | Won 2-0 | +211553 |
| 6standard | 169 | Barreaud, Joffrey (1524) | Lost 1-2 | -181535 |
| 7standard | 183 | Sim, Chapman (1972) | Lost 1-2 | -111524 |
| top | average opponent: 1574record: 4-3 | new rating: 1524 | ||