Lewis, Donald
Current rating: 1573
Record: 44-41
| Grand Prix Mexico City 2018 (GRN limited) | starting rating: 1574 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 36 | Rodriguez Unzon, Alfredo (1500) | Won 2-0 | +161590 |
| 2sealed | 31 | Gutierrez Pena, Jose Daniel (1429) | Won 2-0 | +151605 |
| 3sealed | 75 | Guan, Thomas Zhennan (1528) | Lost 1-2 | -191586 |
| 4sealed | 128 | Ramirez Sanchez, Emmanuel (1885) | Lost 0-2 | -131573 |
| 5sealed | 99 | Carballo, Jorge (1477) | Won 2-1 | +161589 |
| 6sealed | 87 | Roepke, Chris (1688) | Lost 0-2 | -161573 |
| top | average opponent: 1584record: 3-3 | new rating: 1573 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 155 | Freeman, Joseph (1529) | Lost 1-2 | -181522 |
| 4standard | 366 | Cooper, Kyle (1537) | Lost 0-2 | -181504 |
| 5standard | 516 | Bennett, Jason (1567) | Won 2-1 | +191523 |
| 6standard | 287 | Napier, Cody (1698) | Won 2-1 | +221545 |
| 7standard | 194 | Macaraeg, Tad (1828) | Won 2-1 | +231568 |
| 8standard | 106 | Nielson, Alex (1578) | Lost 0-2 | -181550 |
| 9standard | 218 | Chasson, Dylan (1546) | Won 2-0 | +181568 |
| 10standard | 119 | Albert, Charles (1510) | Lost 1-2 | -191549 |
| 11standard | 160 | Ashkin, Jeffrey (1628) | Won 2-0 | +191568 |
| 12standard | 124 | Archey, Roy (1570) | Won 2-1 | +181586 |
| 13standard | 115 | Haversat, Jacob (1895) | Lost 1-2 | -121574 |
| top | average opponent: 1626record: 6-5 | new rating: 1574 | ||
| Grand Prix Richmond 2017 (AKH limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 108 | Haas, William (1636) | Lost 1-2 | -161522 |
| 3sealed | 434 | Edwards, Ken (1498) | Lost 0-2 | -181504 |
| 4sealed | 709 | Blackwood, Brandon (1482) | Won 2-1 | +171521 |
| 5sealed | 485 | Vernieri, Tommy (1508) | Won 2-0 | +181539 |
| 6sealed | 335 | D'Amato, Daniel (1508) | Lost 0-2 | -191520 |
| 7sealed | 390 | Mangold, Andy (1504) | Won 2-1 | +181538 |
| 8sealed | 392 | Bourroughs, Chris (1720) | Lost 0-2 | -151523 |
| 9sealed | 390 | Fox, Kraig (1452) | Won 2-1 | +171540 |
| top | average opponent: 1538record: 4-4 | new rating: 1540 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 232 | Shoopman, Eric (1502) | Lost 0-2 | -181518 |
| 3standard | 548 | Han, Mark (1472) | Lost 1-2 | -191499 |
| 4standard | 540 | Fulmer, Michael (1537) | Won 2-1 | +191518 |
| 5standard | 354 | Tartaglio, Paul (1404) | Won 2-0 | +161534 |
| 6standard | 243 | Rosum, Jonathan (1632) | Won 2-0 | +191553 |
| 7standard | 291 | Hernandez, Adam (1651) | Lost 1-2 | -161537 |
| 8standard | 235 | Bishop, Alyssa (1460) | Won 2-0 | +171554 |
| 9standard | 200 | Lacey, Scott (1693) | Lost 0-2 | -161538 |
| top | average opponent: 1544record: 4-4 | new rating: 1538 | ||
| Grand Prix San Jose 2017 (AER limited) | starting rating: 1515 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 450 | Madala, James (1500) | Won 2-0 | +181533 |
| 2sealed | 181 | Martinez, Jonathan (1488) | Won 2-1 | +171550 |
| 3sealed | 137 | Oakes, Connor (1527) | Lost 1-2 | -191531 |
| 4sealed | 219 | Cheng, Wei-hung (1534) | Lost 0-2 | -181513 |
| 5sealed | 528 | Blake, Paul (1443) | Lost 0-2 | -191494 |
| 6sealed | 631 | Patchell, John (1506) | Won 2-1 | +181512 |
| 7sealed | 528 | Turney, Christopher (1649) | Won 2-0 | +211533 |
| 8sealed | 327 | Aune, Eirik (1774) | Lost 1-2 | -141519 |
| 9sealed | 401 | Mesiona, Brian (1483) | Won 2-0 | +171536 |
| top | average opponent: 1545record: 5-4 | new rating: 1536 | ||
| Grand Prix Louisville 2017 (legacy) | starting rating: 1547 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 288 | Szatkowski, David (1331) | Lost 0-2 | -221525 |
| 2legacy | 787 | Stepp, Josh (1483) | Won 2-0 | +181543 |
| 3legacy | 804 | Paskuly, Mark (1570) | Won 2-0 | +181561 |
| 4legacy | 553 | Davila, Gilbert (1487) | Lost 1-2 | -191542 |
| 5legacy | 727 | Blake, Amber (1382) | Lost 1-2 | -211521 |
| 6legacy | 876 | O'Grady, Daniel (1362) | Lost 0-2 | -211500 |
| 7legacy | 852 | Catalano, Jeffrey (1384) | Won 2-0 | +161516 |
| 8legacy | 765 | Lenz, Jon (1486) | Won 2-0 | +171533 |
| 9legacy | 703 | Setree, Chris (1500) | Lost 0-2 | -181515 |
| top | average opponent: 1443record: 4-5 | new rating: 1515 | ||
| Grand Prix Denver 2016 (KLD standard) | starting rating: 1571 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 388 | Lujan, Navada (1480) | Won 2-0 | +171588 |
| 2standard | 286 | Henson, Michael (1779) | Won 2-1 | +211609 |
| 3standard | 280 | McCamey, Bobby (1550) | Won 2-0 | +171626 |
| 4standard | 136 | Candreva, Christopher (1546) | Lost 0-2 | -191607 |
| 5standard | 171 | Norris, James (1421) | Lost 0-0 | -221585 |
| 6standard | 246 | McKay, Sean (1443) | Lost 0-2 | -201565 |
| 7standard | 433 | Deiss, Jason (1529) | Lost 1-2 | -191546 |
| 8standard | 456 | Low, Arthur (1485) | Won 2-0 | +171563 |
| 9standard | 367 | Khan, Alec (1692) | Lost 0-2 | -161547 |
| top | average opponent: 1547record: 4-5 | new rating: 1547 | ||
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1582 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 644 | Conyers, Melvin (1538) | Won 2-1 | +171599 |
| 2sealed | 377 | Patterson, David (1540) | Won 2-0 | +171616 |
| 3sealed | 397 | Thompson, Gerry (2064) | Lost 1-2 | -101606 |
| 4sealed | 606 | Johnson, Jon (1801) | Lost 0-2 | -151591 |
| 5sealed | 662 | Drennen, Phillip (1493) | Lost 1-2 | -201571 |
| top | average opponent: 1687record: 2-3 | new rating: 1571 | ||
| Grand Prix Las Vegas 2015 (1) (MM2 limited) | starting rating: 1538 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 100 | Maini, Quentin (1616) | Won 2-1 | +191557 |
| 2sealed | 173 | Lopez Luna, Javier (1521) | Won 2-1 | +181575 |
| 3sealed | 58 | Calhoun, Christopher (1561) | Lost 0-2 | -191556 |
| 4sealed | 120 | Richter, Kyle (1518) | Lost 0-2 | -181538 |
| 5sealed | 167 | Fiffles, Adam (1588) | Won 2-1 | +191557 |
| 6sealed | 106 | Doyle, Michael (1635) | Won 2-1 | +191576 |
| 7sealed | 68 | Trapp, Mason (1536) | Won 2-1 | +171593 |
| 8sealed | 69 | Antignano, Joey (1561) | Won 2-0 | +181611 |
| 9sealed | 56 | Roach, Zachary (1589) | Won 2-1 | +171628 |
| 10draft | 179 | Tamblyn, Alex (1582) | Lost 0-2 | -191609 |
| 11draft | 25 | Rivera Morales, Humberto (1767) | Lost 1-2 | -151594 |
| 12draft | 155 | Nguyen, Richard (1920) | Lost 0-2 | -121582 |
| top | average opponent: 1616record: 7-5 | new rating: 1582 | ||
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1119 | Borodawka, Benjamin (1445) | Won 2-0 | +171517 |
| 2modern | 905 | Ramirez-Sanchez, Jorge (1502) | Won 2-0 | +181535 |
| 3modern | 884 | McGrath, Drew (1554) | Won 2-1 | +181553 |
| 4modern | 780 | Giordano, Nick (1608) | Lost 0-2 | -171536 |
| 5modern | 822 | Cline, Branden (1673) | Won 2-1 | +211557 |
| 6modern | 819 | Champagne, Jeff (1576) | Won 2-1 | +181575 |
| 7modern | 766 | DeLuca, Seth (1512) | Lost 1-2 | -191556 |
| 8modern | 765 | Cortezano, Simeon (1557) | Lost 1-2 | -181538 |
| top | average opponent: 1553record: 5-3 | new rating: 1538 | ||