Winkelman, Jacob
Current rating: 1692
Record: 12-3
| Grand Prix Los Angeles 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 80 | Kutcher, Aidan (1458) | Won 2-0 | +171517 |
| 2modern | 32 | Kan, Andrew (1570) | Won 2-1 | +191536 |
| 3modern | 151 | Tetlow, Adam (1616) | Won 2-1 | +201556 |
| 4modern | 133 | Lo, Josh Leander (1599) | Won 2-1 | +181574 |
| 5modern | 24 | Beltran, Matthew (1651) | Won 2-1 | +201594 |
| 6modern | 19 | Soma, Nishant (1708) | Won 2-0 | +201614 |
| 7modern | 10 | Tashjian, Karl (1588) | Lost 0-2 | -191595 |
| 8modern | 21 | Hira, Anand (1646) | Won 2-0 | +191614 |
| 9modern | 32 | Li, Steven (1601) | Won 2-1 | +181632 |
| 10modern | 23 | Dunn, Zach (1893) | Won 2-1 | +231655 |
| 11modern | 4 | Gibson, Kyle (1717) | Won 2-1 | +191674 |
| 12modern | 3 | Hadley, Miquez (1757) | Won 2-1 | +191693 |
| 13modern | 1 | Yoo, Bradley (1924) | Lost 1-2 | -131680 |
| 14modern | 11 | McAtee, Brian (1914) | Won 2-1 | +221702 |
| 15modern | 4 | Bernat, Michael (2186) | Lost 0-2 | -101692 |
| average opponent: 1722record: 12-3 | new rating: 1692 | |||