McDonald, Glenn
Current rating: 1584
Record: 21-14-1
| Grand Prix Pittsburgh 2015 (modern) | starting rating: 1617 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 687 | Ganger, Timothy (1500) | Lost 0-2 | -201597 |
| 2modern | 1082 | Goodwell, Adam (1416) | Won 2-0 | +151612 |
| 3modern | 585 | Bullwinkel, Tony (1455) | Lost 1-2 | -211591 |
| 4modern | 1138 | Case, Jeffrey (1461) | Won 2-0 | +161607 |
| 5modern | 944 | Farrugia, Marco (1569) | Won 2-1 | +171624 |
| 6modern | 437 | Galperin, David (1550) | Lost 1-2 | -191605 |
| 7modern | 708 | Yeh, Andy (1492) | Lost 0-2 | -201585 |
| 8modern | 585 | Schrecengost, Dominic (1481) | Won 2-1 | +161601 |
| 9modern | 424 | Schultz, Jerret (1672) | Lost 1-2 | -171584 |
| top | average opponent: 1511record: 4-5 | new rating: 1584 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1580 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 385 | Howell, Caleb (1500) | Won 2-0 | +171597 |
| 2modern | 363 | Kail, Alex (1549) | Lost 1-2 | -191578 |
| 3modern | 563 | Byers, Steven (1501) | Won 2-1 | +171595 |
| 4modern | 317 | Kausch, Zach (1465) | Won 2-0 | +151610 |
| 5modern | 287 | Morris, Ryan (1495) | Won 2-1 | +161626 |
| 6modern | 302 | Wells, Joshua (1553) | Lost 0-2 | -191607 |
| 7modern | 284 | Potter, Ryan (1459) | Lost 0-2 | -211586 |
| 8modern | 351 | Jones, Brad (1517) | Won 2-1 | +171603 |
| 9modern | 313 | Brooks, John T (1413) | Won 2-0 | +141617 |
| top | average opponent: 1495record: 6-3 | new rating: 1617 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1554 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 128 | Gibson, Michael (1507) | Lost 1-2 | -191535 |
| 2legacy | 410 | Gileau, Elizabeth (1447) | Won 2-0 | +161551 |
| 3legacy | 304 | Reznikov, Eugene (1572) | Lost 0-2 | -181533 |
| 4legacy | 489 | Grover, Nathan (1482) | Won 2-0 | +181551 |
| 5legacy | 410 | Renou, Romain (1436) | Won 2-0 | +151566 |
| 6legacy | 300 | Cong, Yale (1519) | Draw 1-1 | 01566 |
| 7legacy | 275 | Alem, Victor (1512) | Won 2-0 | +171583 |
| 8legacy | 184 | Dyke, Charles (1506) | Won 2-1 | +161599 |
| 9legacy | 124 | Middleton, Greg (1551) | Lost 0-2 | -191580 |
| top | average opponent: 1504record: 5-3-1 | new rating: 1580 | ||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1153 | Polzin, David (1496) | Lost 0-2 | -181482 |
| 2modern | 1591 | Ciencin, Chris (1452) | Won 2-0 | +171499 |
| 3modern | 1286 | Lates, Christopher (1501) | Won 2-1 | +181517 |
| 4modern | 1265 | Fields, Nicholas (1508) | Won 2-0 | +181535 |
| 5modern | 1112 | Edwards, Tyler (1511) | Lost 1-2 | -181517 |
| 6modern | 1280 | Creel, Michael (1472) | Won 2-0 | +171534 |
| 7modern | 1135 | Vergo, Eric (1620) | Won 2-1 | +201554 |
| 8modern | 1109 | Ahmeti, Enver (1547) | Lost 1-2 | -191535 |
| 9modern | 1153 | Presser, Liam (1540) | Won 2-1 | +191554 |
| top | average opponent: 1516record: 6-3 | new rating: 1554 | ||