Birtwistle, Louis
Current rating: 1441
Record: 18-23
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1451 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 189 | Bartos, Jiri (1516) | Lost 0-2 | -161435 |
| 2pioneer | 475 | Vooys, Kurt (1759) | Won 2-0 | +231458 |
| 3pioneer | 81 | Beadell, Chloe (1491) | Lost 0-2 | -171441 |
| 4pioneer | 606 | Streitenberger, Vedran (1445) | Won 2-1 | +181459 |
| 5pioneer | 491 | O'Brien, Patrick [IRL] (1429) | Lost 1-2 | -181441 |
| top | average opponent: 1528record: 2-3 | new rating: 1441 | ||
| Grand Prix Bilbao 2019 (modern) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 360 | Drogemuller, Kauri (1677) | Won 2-1 | +221492 |
| 2modern | 370 | Laborie, Maxime (1323) | Won 2-0 | +151507 |
| 3modern | 47 | Azevedo, Pedro6839 (1576) | Lost 1-2 | -171490 |
| 4modern | 248 | Merettig, Ralph (1485) | Won 2-1 | +181508 |
| 5modern | 161 | Ntinopoulos, Gabriel (1501) | Lost 1-2 | -181490 |
| 6modern | 431 | Halme, Julius (1456) | Lost 1-2 | -191471 |
| 7modern | 368 | Daunis, Aurore (1367) | Lost 0-2 | -201451 |
| top | average opponent: 1484record: 3-4 | new rating: 1451 | ||
| Grand Prix Birmingham 2018 (std) (DOM standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 31 | Tcherkawsky, Thomas (1500) | Lost 0-2 | -171449 |
| 2standard | 379 | Macaulay, Lee (1475) | Lost 0-2 | -181431 |
| 3standard | 547 | Mojik, Miroslav (1461) | Won 2-1 | +191450 |
| 4standard | 465 | Craig, David [ENG] (1446) | Lost 1-2 | -181432 |
| 5standard | 475 | Poxon, Tyler (1475) | Lost 1-2 | -171415 |
| 6standard | 444 | Buckle, Martin (1447) | Won 2-1 | +181433 |
| 7standard | 365 | Johnson, Sean (1498) | Won 2-1 | +191452 |
| 8standard | 283 | Webb, Elliott (1445) | Won 2-1 | +181470 |
| top | average opponent: 1468record: 4-4 | new rating: 1470 | ||
| Grand Prix Birmingham 2018 (leg) (legacy) | starting rating: 1494 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 75 | Werner, Wiktor (1500) | Won 2-0 | +181512 |
| 2legacy | 270 | Brownson-Smith, Callum (1438) | Lost 1-2 | -191493 |
| 3legacy | 382 | Naismith-Robertson, Rowan (1640) | Lost 0-2 | -151478 |
| 4legacy | 441 | Nielsen, Sisse Marie (1436) | Won 2-1 | +171495 |
| 5legacy | 356 | Arneuve, Vladimir (1663) | Lost 1-2 | -151480 |
| 6legacy | 427 | Dadachanji, Dara (1568) | Lost 1-2 | -161464 |
| 7legacy | 380 | Pohl, Kajetan (1379) | Won 2-1 | +161480 |
| 8legacy | 308 | Overgaauw, Rens (1721) | Lost 0-2 | -141466 |
| top | average opponent: 1543record: 3-5 | new rating: 1466 | ||
| Grand Prix London 2018 (RIX limited) | starting rating: 1528 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 332 | Buckland, Sam (1582) | Won 2-0 | +191547 |
| 2sealed | 388 | Holland, Nathan (1591) | Lost 0-2 | -181529 |
| 3sealed | 543 | Lyford-Smith, David (1614) | Lost 0-2 | -161513 |
| 4sealed | 855 | Voster, Niccolo (1478) | Lost 0-2 | -191494 |
| top | average opponent: 1566record: 1-3 | new rating: 1494 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 393 | Colledge, Anthony (1508) | Lost 0-2 | -181482 |
| 2sealed | 357 | Leijon, Erik (1481) | Won 2-0 | +181500 |
| 3sealed | 283 | Thompson, Ashley (1430) | Won 2-1 | +171517 |
| 4sealed | 200 | Shai, Yuval (1518) | Won 2-0 | +181535 |
| 5sealed | 238 | Lepisto, Martti (1513) | Won 2-1 | +171552 |
| 6sealed | 127 | Ebenhoch, Joschka (1533) | Won 2-1 | +181570 |
| 7sealed | 61 | Carvalho, Marcio (2012) | Lost 0-2 | -101560 |
| 8sealed | 143 | Harendarz, Michal (1573) | Lost 0-2 | -181542 |
| 9sealed | 232 | Milillo, Andrea (1748) | Lost 0-2 | -141528 |
| top | average opponent: 1591record: 5-4 | new rating: 1528 | ||