Howells, Andrew
Current rating: 1489
Record: 19-23-1
| Regional Championships Atlanta 2023 (pioneer) | starting rating: 1433 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 495 | Braton, Jeremy (1461) | Won 2-0 | +191452 |
| 2pioneer | 134 | Wollney, Nicholas (1501) | Won 2-1 | +191471 |
| 3pioneer | 80 | Goodman, Simon (1531) | Lost 1-2 | -171454 |
| 4pioneer | 207 | Mapson, Michael (1603) | Won 2-1 | +201474 |
| 5pioneer | 95 | Lesher, Jeremy (1494) | Lost 0-2 | -171457 |
| 6pioneer | 234 | Bond, Allan (1609) | Won 2-0 | +201477 |
| 7pioneer | 199 | Segal, Jacob (1733) | Won 2-1 | +231500 |
| 8pioneer | 79 | Potter, Samuel (1556) | Lost 0-2 | -171483 |
| 9pioneer | 118 | Rataiczak, TJ (1582) | Won 2-1 | +201503 |
| 10pioneer | 103 | Andress, Nathan (1726) | Lost 1-2 | -141489 |
| top | average opponent: 1580record: 6-4 | new rating: 1489 | ||
| Regional Championships San Diego 2023 (ONE standard) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 297 | Go, Tamon (1606) | Lost 0-2 | -151450 |
| 2standard | 441 | Brown, Jason (1415) | Won 2-0 | +171467 |
| 3standard | 198 | Lange, Tanner (1479) | Lost 1-2 | -181449 |
| 4standard | 325 | Deleon, Cristian (1489) | Draw 1-1 | +11450 |
| 5standard | 324 | Muniz, Cody (1516) | Lost 0-2 | -171433 |
| top | average opponent: 1501record: 1-3-1 | new rating: 1433 | ||
| Grand Prix Columbus 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 177 | Legg, Patrick (1500) | Lost 0-2 | -181482 |
| 2modern | 159 | Pradeep, Swati (1482) | Won 2-0 | +181500 |
| 3modern | 210 | Hess, Craig (1613) | Lost 0-2 | -161484 |
| 4modern | 97 | Poltorak, Darren (1419) | Lost 0-2 | -191465 |
| top | average opponent: 1503record: 1-3 | new rating: 1465 | ||
| Grand Prix Atlanta 2018 (modern) | starting rating: 1464 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 259 | Jones, Patrick (1625) | Won 2-0 | +211485 |
| 3modern | 187 | Williams, Jonathan (1526) | Lost 1-2 | -171468 |
| 4modern | 348 | Sloan, Douglas (1480) | Won 2-1 | +181486 |
| 5modern | 269 | De Los Santos, Julian (1828) | Won 2-1 | +241510 |
| 6modern | 191 | Bryant, Jason (1536) | Lost 1-2 | -181492 |
| 7modern | 282 | Zhang, Zhiyang (1878) | Lost 1-2 | -111481 |
| 8modern | 288 | Pierce, Chuck (1553) | Won 2-1 | +191500 |
| top | average opponent: 1632record: 4-3 | new rating: 1500 | ||
| Grand Prix Memphis 2018 (RIX standard) | starting rating: 1442 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 262 | An, Hui Jae (1500) | Won 2-1 | +191461 |
| 2standard | 209 | Evans, Dillon (1542) | Lost 0-2 | -161445 |
| 3standard | 406 | Compere, Will (1462) | Won 2-0 | +181463 |
| 4standard | 338 | Soorani, Shaheen (1981) | Lost 0-2 | -91454 |
| 5standard | 398 | Benke, Jake (1548) | Won 2-1 | +201474 |
| 6standard | 176 | Kirby, Zachary (1585) | Lost 1-2 | -161458 |
| 7standard | 260 | Jeffries, Adrew (1749) | Won 2-0 | +231481 |
| 8standard | 217 | Vargas, Jabier (1542) | Lost 1-2 | -171464 |
| top | average opponent: 1614record: 4-4 | new rating: 1464 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 305 | Mrozek, Tadeusz (1502) | Won 2-1 | +181518 |
| 2standard | 285 | Blakley, Ryan (1312) | Lost 1-2 | -221496 |
| 3standard | 393 | Jones, Jeff (1570) | Lost 0-2 | -161480 |
| 4standard | 547 | Murphy, Patrick (1468) | Lost 0-2 | -191461 |
| 5standard | 551 | Ruff, Eric (1463) | Won 2-0 | +181479 |
| 6standard | 423 | Graves, Colin (1482) | Lost 1-2 | -171462 |
| 7standard | 496 | Packard, Nicholas (1455) | Lost 1-2 | -191443 |
| 8standard | 446 | Escobar, Eduardo (1385) | Won 2-0 | +171460 |
| 9standard | 378 | Toy, Ian (1462) | Lost 0-2 | -181442 |
| top | average opponent: 1455record: 3-6 | new rating: 1442 | ||