Guerin, Lydia
Current rating: 1365
| Grand Prix Lyon 2020 (THB standard) | starting rating: 1381 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 61 | Borkowski, Julien (1500) | Lost 1-2 | -161365 |
| 2standard | 142 | Manicacci, Yann (1487) | Won 2-1 | +211386 |
| 3standard | 160 | Mouneau, Jerome (1476) | Lost 1-2 | -171369 |
| 4standard | 215 | Sommerlade, Jan Philip (1750) | Won 2-0 | +251394 |
| 5standard | 189 | Fauste, Thibaut (1467) | Lost 0-2 | -171377 |
| 6standard | 184 | Seronie-Vivien, Paul (1507) | Lost 0-2 | -151362 |
| 7standard | 184 | Andrey, Pierre-Arnaud (1464) | Won 2-1 | +201382 |
| 8standard | 136 | Fischer, Sven (1451) | Lost 0-2 | -171365 |
| top | average opponent: 1513record: 3-5 | new rating: 1365 | ||
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1445 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 205 | Simionato, Sebastiano (1500) | Lost 0-2 | -171428 |
| 2pioneer | 581 | Molinie, Roland (1303) | Won 2-0 | +151443 |
| 3pioneer | 565 | Cicchini, Franco (1717) | Lost 1-2 | -131430 |
| 4pioneer | 628 | Milde, Agnieszka (1489) | Won 2-1 | +191449 |
| 5pioneer | 489 | Loffredo, Luca (1533) | Lost 0-2 | -161433 |
| 6pioneer | 602 | Padovani, Lorenzo (1460) | Lost 1-2 | -181415 |
| 7pioneer | 509 | Wachtberger, Max (1469) | Lost 0-2 | -171398 |
| 8pioneer | 419 | Ostermann, Christian (1456) | Lost 0-2 | -171381 |
| top | average opponent: 1491record: 2-6 | new rating: 1381 | ||
| Grand Prix Lyon 2019 (ELD standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 82 | Rousseau, Adrien (1500) | Lost 0-2 | -181482 |
| 2standard | 258 | Fleury, Jonathan (1487) | Lost 0-2 | -181464 |
| 3standard | 453 | Secula, Adrien (1468) | Lost 0-2 | -181446 |
| 4standard | 435 | Warner, Christopher (1446) | Won 2-0 | +181464 |
| 5standard | 389 | Sanchez, Chloe (1461) | Lost 1-2 | -181446 |
| 6standard | 368 | Delgrange, Stephane (1382) | Draw 1-1 | -11445 |
| 7standard | 315 | Rochard, Cedric (1446) | Won 2-1 | +181463 |
| 8standard | 265 | Servagent, Anthony (1443) | Lost 0-2 | -181445 |
| top | average opponent: 1454record: 2-5-1 | new rating: 1445 | ||