Grabowski, Doug
Current rating: 1436
Record: 38-47-5
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1472 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 91 | Yuan, David (1476) | Lost 0-2 | -181454 |
| 2sealed | 338 | Heinricy, Landan (1354) | Won 0-0 | +161470 |
| 3sealed | 324 | Kesselman, Matthew (1554) | Lost 0-2 | -161454 |
| 4sealed | 429 | Nguyen, Lee Hung (1404) | Won 2-1 | +171471 |
| 5sealed | 336 | Ning, Justin (1522) | Lost 1-2 | -171454 |
| 6sealed | 338 | Sottile, Peter (1469) | Lost 1-2 | -181436 |
| top | average opponent: 1463record: 2-4 | new rating: 1436 | ||
| Grand Prix Washington DC 2017 (HOU standard) | starting rating: 1423 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 190 | Casey, Shawn (1541) | Won 2-0 | +201443 |
| 2standard | 235 | Mitchell, Billy (1894) | Won 2-1 | +261469 |
| 3standard | 212 | Derczo, Michael (1818) | Lost 1-2 | -121457 |
| 4standard | 236 | Hess, Jacob (1498) | Won 2-1 | +191476 |
| 5standard | 275 | Fortanely, Bobby (1896) | Lost 1-2 | -111465 |
| 6standard | 257 | Brown, Stephen (1527) | Won 2-0 | +191484 |
| 7standard | 247 | Casey, James (1488) | Draw 1-1 | 01484 |
| 8standard | 249 | Johnson, Angelique (1754) | Won 2-1 | +231507 |
| 9standard | 170 | Maas, Jeffrey (1602) | Won 2-1 | +201527 |
| 10standard | 102 | Bates, Jeffrey (1541) | Lost 0-2 | -181509 |
| 11standard | 170 | Brodie, Daniel (1534) | Lost 1-2 | -171492 |
| 12standard | 195 | Gordon, Shawn (1418) | Lost 0-2 | -201472 |
| top | average opponent: 1626record: 6-5-1 | new rating: 1472 | ||
| Grand Prix Prague 2017 (AER limited) | starting rating: 1456 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 394 | Bjerreskov, Jess (1529) | Lost 0-2 | -171439 |
| 3sealed | 541 | Stibinger, Ales (1508) | Won 2-0 | +201459 |
| 4sealed | 386 | Olarte Ovalle, Alvaro Edward (1498) | Lost 1-2 | -181441 |
| 5sealed | 542 | Jourdan, Thibaut (1720) | Lost 0-2 | -131428 |
| 6sealed | 791 | Kupfahl, Sebastian (1576) | Won 2-0 | +211449 |
| 7sealed | 585 | Naujokat, Ricardo (1748) | Lost 0-2 | -131436 |
| 8sealed | 630 | Semenov, Petr (1719) | Lost 0-2 | -131423 |
| top | average opponent: 1614record: 2-5 | new rating: 1423 | ||
| Grand Prix Rimini 2016 (EMN standard) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 117 | Venneri, Luca (1401) | Lost 0-2 | -191425 |
| 3standard | 357 | Fiesoli, Andrea (1465) | Won 2-0 | +191444 |
| 4standard | 234 | Busani, Luca (1512) | Won 2-0 | +191463 |
| 5standard | 159 | Prisciantelli, Marco (1544) | Won 2-0 | +191482 |
| 6standard | 102 | Marek, Krzysztof (1694) | Draw 1-1 | +41486 |
| 7standard | 96 | Sanchez, Eugeni (1729) | Lost 0-2 | -131473 |
| 8standard | 152 | Izquierdo, Joaquin (1544) | Lost 1-2 | -171456 |
| top | average opponent: 1556record: 3-3-1 | new rating: 1456 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1522 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 35 | Looney, Fergus (1549) | Lost 0-2 | -181504 |
| 4standard | 369 | Ringoir, Lesly (1091) | Lost 1-2 | -251479 |
| 5standard | 560 | Ng, Dominic (1423) | Won 2-1 | +171496 |
| 6standard | 413 | Black, Chris [ENG] (1699) | Lost 1-2 | -141482 |
| 7standard | 458 | Fifield, Chris (1504) | Lost 0-2 | -181464 |
| 8standard | 465 | Jelinek, Jan (1337) | Lost 0-2 | -201444 |
| top | average opponent: 1434record: 1-5 | new rating: 1444 | ||
| Grand Prix Bologna 2016 (modern) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 126 | Mancuso, Antonino (1569) | Lost 0-2 | -181540 |
| 3modern | 704 | Casati, Dario (1499) | Lost 0-2 | -191521 |
| 4modern | 948 | Vizzotto, Vittorio (1482) | Won 2-1 | +171538 |
| 5modern | 645 | Zulian, Simone (1776) | Lost 0-2 | -131525 |
| 6modern | 892 | Belletti, Davide (1514) | Lost 0-2 | -191506 |
| 7modern | 855 | Fusco, Marco (1470) | Lost 0-2 | -181488 |
| 8modern | 796 | Kowalik, Krzysztof (1409) | Won 2-1 | +161504 |
| 9modern | 698 | Montanari, Piergiorgio (1475) | Won 2-0 | +181522 |
| top | average opponent: 1524record: 3-5 | new rating: 1522 | ||
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 54 | Heaslet, Brian (1446) | Draw 1-1 | 01459 |
| 2standard | 451 | Goodlow, Josh (1500) | Won 2-0 | +191478 |
| 3standard | 367 | Grater, Jeff (1518) | Won 2-1 | +191497 |
| 4standard | 196 | Nabi, Basil (1798) | Won 2-0 | +231520 |
| 5standard | 94 | Staton, Cole (1565) | Won 2-0 | +191539 |
| 6standard | 50 | Reisner, Kaleb (1544) | Won 2-1 | +181557 |
| 7standard | 24 | Acosta, Aaron (1588) | Lost 1-2 | -181539 |
| 8standard | 82 | Van Vleet, Matthew (1574) | Draw 1-1 | +11540 |
| 9standard | 159 | Castillon Jr, Jimmy (1538) | ID | 01540 |
| 10standard | 139 | Sherman, Noah (1623) | Lost 0-2 | -161524 |
| 11standard | 218 | Hawkins, Cody (1548) | Won 2-0 | +181542 |
| 12standard | 155 | Cortez, Michael (1737) | Won 2-1 | +221564 |
| 13standard | 146 | Clark, Jason (1659) | Won 2-1 | +191583 |
| 14standard | 60 | Fields, Frank (1743) | Lost 1-2 | -151568 |
| 15standard | 125 | Nass, Matthew (1995) | Lost 1-2 | -101558 |
| top | average opponent: 1625record: 8-4-3 | new rating: 1558 | ||
| Grand Prix Brussels 2015 (BFZ standard) | starting rating: 1479 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 405 | Lhomme, Steeve (1184) | Won 0-0 | +131492 |
| 2standard | 59 | Gallinari, Samuele (1458) | Lost 0-0 | -191473 |
| 3standard | 588 | Kondrk, Marcel (1638) | Won 2-1 | +211494 |
| 4standard | 278 | Ronai, Arpad (1658) | Lost 0-2 | -151479 |
| 5standard | 512 | Ehrler, Matthias (1288) | Won 2-0 | +141493 |
| 6standard | 463 | de Groot, Bjorn (1562) | Lost 0-2 | -161477 |
| 7standard | 458 | Heinemann, Stefan (1517) | Lost 0-2 | -181459 |
| top | average opponent: 1472record: 3-4 | new rating: 1459 | ||
| Grand Prix Lyon 2015 (BFZ limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 595 | Brackmann, Aaron (1841) | Won 2-0 | +241508 |
| 2sealed | 416 | Dany, Christian (1665) | Won 2-0 | +211529 |
| 3sealed | 192 | Salvador Arnal, Guillem (1466) | Lost 0-2 | -201509 |
| 4sealed | 362 | Thirard, Stephane (1482) | Lost 0-2 | -181491 |
| 5sealed | 453 | Loeb, Davy (1799) | Lost 1-2 | -131478 |
| 6sealed | 596 | Pearce, Darius (1417) | Won 2-0 | +171495 |
| 7sealed | 427 | Colin, Gwen (1576) | Lost 0-2 | -161479 |
| top | average opponent: 1606record: 3-4 | new rating: 1479 | ||
| Grand Prix London 2015 (ORI standard) | starting rating: 1498 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 102 | Hutchings, Terry (1500) | Won 2-0 | +181516 |
| 2standard | 33 | Clemente, Stefano (1708) | Lost 1-2 | -141502 |
| 3standard | 322 | Kerr, Jacob (1481) | Lost 1-2 | -191483 |
| 4standard | 389 | Rhodes, Tony L (1484) | Lost 0-2 | -181465 |
| 5standard | 436 | Mccann, Paul D (1460) | Won 2-0 | +181483 |
| 6standard | 334 | Ireland, Peter (1481) | Lost 0-2 | -181465 |
| 7standard | 330 | Wilder, Louis (1447) | Lost 0-2 | -181447 |
| 8standard | 272 | Miller, Alex A (1448) | Won 2-1 | +181465 |
| 9standard | 221 | Krabill, Brendon (1497) | Won 2-0 | +191484 |
| top | average opponent: 1501record: 4-5 | new rating: 1484 | ||
| Grand Prix Utrecht 2015 (MM2 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 474 | Both, Evert (1500) | Won 2-0 | +181518 |
| 2sealed | 151 | Peelman, Sebastiaan (1518) | Won 2-0 | +181536 |
| 3sealed | 201 | Mieczkowski, Jaroslaw (1492) | Won 2-0 | +171553 |
| 4sealed | 91 | Gateaud, Maxime (1529) | Lost 0-2 | -181535 |
| 5sealed | 186 | Di Gregorio, Nicolas (1534) | Draw 1-1 | 01535 |
| 6sealed | 186 | Koenders, Roderik (1507) | Lost 0-2 | -191516 |
| 7sealed | 292 | Schermer, Duncan (1518) | Lost 0-2 | -181498 |
| top | average opponent: 1514record: 3-3-1 | new rating: 1498 | ||