Astor, Graham
Current rating: 1288
Record: 6-19-3
| Grand Prix Birmingham 2019 (modern) | starting rating: 1364 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 135 | Darroch, Alasdair (1547) | Lost 0-2 | -151349 |
| 2modern | 253 | Moodie, Harcus (1462) | Won 2-0 | +201369 |
| 3modern | 205 | Stanley, Chris (1442) | Lost 1-2 | -171352 |
| 4modern | 360 | Day, Adam (1482) | Lost 0-2 | -151337 |
| 5modern | 374 | Lucio, Carlos (1299) | Lost 1-2 | -191318 |
| 6modern | 337 | Lopez Navarro, Victor (1445) | Lost 0-2 | -161302 |
| 7modern | 290 | Littlewood, Shane (1427) | Draw 1-1 | +31305 |
| 8modern | 255 | Warren, Mark (1390) | Lost 0-1 | -171288 |
| top | average opponent: 1437record: 1-6-1 | new rating: 1288 | ||
| Grand Prix Liverpool 2017 (XLN limited) | starting rating: 1426 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 287 | Clarke, Samuel (1581) | Lost 1-2 | -151411 |
| 2sealed | 300 | Hayes, Bill (1597) | Lost 0-2 | -151396 |
| 3sealed | 587 | Porteous, Douglas (1387) | Draw 1-1 | 01396 |
| 4sealed | 537 | Malone, Richard (1428) | Won 2-1 | +191415 |
| 5sealed | 459 | Atkin, Lyndon (1483) | Lost 1-2 | -171398 |
| 6sealed | 478 | Easton, Jonathan (1454) | Lost 0-2 | -171381 |
| 7sealed | 447 | Filimonov, Nicolas (1447) | Won 2-0 | +191400 |
| 8sealed | 382 | Stockl, Hannes (1462) | Lost 0-2 | -171383 |
| 9sealed | 339 | Ford, Joseph (1299) | Lost 0-2 | -191364 |
| top | average opponent: 1460record: 2-6-1 | new rating: 1364 | ||
| Grand Prix Birmingham 2017 (modern) | starting rating: 1461 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 66 | Hunter, Jay (1447) | Lost 0-2 | -181443 |
| 2modern | 534 | Crosse, John (1482) | Lost 0-0 | -181425 |
| 3modern | 770 | Gardner, Alex (1465) | Lost 0-2 | -171408 |
| 4modern | 826 | Furmston, Thomas (1448) | Won 2-0 | +191427 |
| 5modern | 760 | Haynes, David (1402) | Lost 0-2 | -191408 |
| 6modern | 729 | Monck, Zachary (1427) | Won 2-0 | +191427 |
| 7modern | 626 | Holman, Kane (1345) | Won 2-0 | +161443 |
| 8modern | 495 | Cubal, Mariana (1481) | Lost 0-2 | -171426 |
| top | average opponent: 1437record: 3-5 | new rating: 1426 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 894 | Tucker, Adam (1500) | Draw 1-1 | 01500 |
| 2sealed | 607 | Prada, Carmen (1331) | Lost 0-2 | -211479 |
| 3sealed | 1043 | Huber, Viktor (1480) | Lost 0-2 | -181461 |
| top | average opponent: 1437record: 0-2-1 | new rating: 1461 | ||