Leigh, Donald
Current rating: 1848 (#1210)
Record: 48-26
| Grand Prix Denver 2019 (M20 standard) | starting rating: 1766 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 48 | Charbonneau, John (1500) | Won 2-0 | +131779 |
| 2standard | 144 | Kohrt, Brandon (1517) | Won 2-1 | +131792 |
| 3standard | 85 | Sughroue, Daniel (1407) | Won 2-1 | +121804 |
| 4standard | 73 | Schmidt, David (1598) | Won 2-1 | +141818 |
| 5standard | 17 | Sublett, James (1554) | Won 2-0 | +131831 |
| 6standard | 29 | Stewart, Andrew (1591) | Lost 1-2 | -221809 |
| 7standard | 59 | [anonymous] | Lost 1-2 | -231786 |
| 8standard | 84 | Conflenti, Jace (1567) | Won 2-1 | +141800 |
| 9standard | 51 | Madsen, Michael (1795) | Won 2-0 | +181818 |
| 10standard | 37 | Bernat, Michael (2086) | Won 2-0 | +231841 |
| 11standard | 30 | Zax, Aryeh (1859) | Won 2-1 | +181859 |
| 12standard | 21 | Steinmark, Steven (1643) | Won 2-1 | +141873 |
| 13standard | 17 | Blankenship, Kyle (1765) | Won 2-0 | +161889 |
| 14standard | 15 | Keithley, Gregg (1704) | Lost 1-2 | -211868 |
| 15standard | 21 | Peterson, Jackson (1742) | Lost 0-2 | -201848 |
| top | average opponent: 1657record: 11-4 | new rating: 1848 | ||
| Grand Prix Dallas-Fort Worth 2019 (modern) | starting rating: 1669 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 374 | Bruce, Justin (1500) | Won 2-0 | +151684 |
| 2modern | 244 | Nelson, Seth (1707) | Won 2-0 | +191703 |
| 3modern | 44 | Leeper, Ryan (1757) | Lost 0-2 | -171686 |
| 4modern | 308 | Kenyon, James (1516) | Won 2-0 | +151701 |
| 5modern | 135 | Christensen, Jory (1525) | Won 2-0 | +141715 |
| 6modern | 123 | Winters, Troi (1531) | Won 2-1 | +151730 |
| 7modern | 53 | Boss, Brian (1878) | Won 2-0 | +211751 |
| 8modern | 10 | Daugherty, Brian (1592) | Lost 1-2 | -211730 |
| 9modern | 40 | Nossett, Miles (1497) | Won 2-0 | +141744 |
| 10modern | 28 | Byars, Michael (1768) | Won 2-0 | +181762 |
| 11modern | 41 | Ahn, Sung-Jin (1878) | Won 2-0 | +201782 |
| 12modern | 17 | Cuillier, Paul (1967) | Lost 1-2 | -141768 |
| 13modern | 27 | Yost, Austin (1804) | Lost 0-2 | -181750 |
| 14modern | 53 | Mccoy, Jake (1606) | Won 2-0 | +161766 |
| 15modern | 44 | Lord, Colin (1633) | ID | 01766 |
| top | average opponent: 1677record: 10-4-1 | new rating: 1766 | ||
| Grand Prix Oklahoma City 2015 (modern) | starting rating: 1616 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 117 | Laury, Walker (1537) | Lost 0-0 | -191597 |
| 4modern | 221 | Darrow, Andrew (1532) | Won 2-1 | +161613 |
| 5modern | 255 | Moon, Kevin (1514) | Lost 0-2 | -191594 |
| 6modern | 262 | Huckeby, Tim (1504) | Won 2-1 | +161610 |
| 7modern | 114 | Southworth, Jason (1680) | Won 2-1 | +191629 |
| 8modern | 177 | Hall, Daniel (1614) | Won 2-1 | +181647 |
| 9modern | 74 | Ho, Eugene (1769) | Won 2-0 | +201667 |
| 10modern | 45 | Courtright, Kevin (1529) | Won 2-1 | +161683 |
| 11modern | 17 | Peters, Kyle (1588) | Won 2-1 | +161699 |
| 12modern | 15 | Knapp, Hans (1729) | Won 2-1 | +181717 |
| 13modern | 9 | Moughon, Evart (1654) | Lost 0-2 | -191698 |
| 14modern | 26 | Linn, Ricky (1759) | Lost 1-2 | -171681 |
| 15modern | 36 | Majors, Michael (2015) | Lost 0-2 | -121669 |
| top | average opponent: 1648record: 8-5 | new rating: 1669 | ||
| Grand Prix Dallas-Fort Worth 2015 (ORI limited) | starting rating: 1648 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 126 | Frank, Matt (1481) | Won 2-0 | +151663 |
| 4sealed | 149 | Yurchick, Adam (1768) | Lost 1-2 | -161647 |
| 5sealed | 230 | Stark, Ben S (1943) | Lost 0-2 | -121635 |
| 6sealed | 351 | Bresler, Reuben (1604) | Lost 1-2 | -191616 |
| top | average opponent: 1699record: 1-3 | new rating: 1616 | ||
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 186 | Schneider, Ian (1504) | Lost 0-2 | -191585 |
| 4sealed | 247 | Johnson, Derek (1339) | Won 2-0 | +131598 |
| 5sealed | 185 | Gaard, Sam (1520) | Won 2-0 | +171615 |
| 6sealed | 135 | Kassari, John (1725) | Won 2-1 | +201635 |
| 7sealed | 60 | Kivelstadt, Alex (1578) | Won 2-1 | +171652 |
| 8sealed | 52 | Sciesinski, Marcin (1665) | Lost 0-2 | -181634 |
| 9sealed | 51 | Bailey, Joni (1486) | Won 2-1 | +151649 |
| 10draft | 159 | Mouton, Jean-Paul (1617) | Lost 0-2 | -181631 |
| 11draft | 82 | Kan, Jimmy (1559) | Won 2-0 | +161647 |
| 12draft | 142 | Yei, Kevin (1599) | Won 2-0 | +171664 |
| 13draft | 132 | Smith, Nathaniel (1829) | Lost 1-2 | -151649 |
| 14draft | 73 | Ganzler, Eric (1597) | Lost 0-2 | -191630 |
| 15draft | 150 | Welty, Terry (1627) | Won 2-1 | +181648 |
| top | average opponent: 1588record: 8-5 | new rating: 1648 | ||
| Grand Prix Omaha 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 5 | Hunt, Nathaniel (1463) | Won 2-0 | +171517 |
| 2modern | 11 | Palmisano, Katherine (1539) | Won 2-1 | +191536 |
| 3modern | 231 | Soper, Sean (1487) | Lost 1-2 | -191517 |
| 4modern | 223 | Gonzalez, Sonny (1594) | Lost 1-2 | -171500 |
| 5modern | 403 | Hill, Vincent (1505) | Won 2-0 | +181518 |
| 6modern | 218 | Cornelius, Justin (1474) | Won 2-0 | +181536 |
| 7modern | 206 | Truitt, Evan (1546) | Won 2-1 | +181554 |
| 8modern | 102 | Wassink, Caleb (1533) | Won 2-0 | +171571 |
| 9modern | 83 | Knapp, Hans (1646) | Won 2-1 | +201591 |
| 10modern | 41 | Sullivan, Adrian (1947) | Won 2-0 | +241615 |
| 11modern | 25 | Kowal, Brian (1825) | Lost 1-2 | -141601 |
| 12modern | 54 | Hepola, Brandon (1581) | Lost 1-2 | -191582 |
| 13modern | 49 | Hunt, Matthias (1908) | Lost 1-2 | -121570 |
| 14modern | 61 | Jones, Derek (1530) | Won 2-1 | +171587 |
| 15modern | 55 | Muehlenthaler, Kevin (1532) | Won 2-0 | +171604 |
| top | average opponent: 1607record: 10-5 | new rating: 1604 | ||