Yei, Kevin
Current rating: 1584
Record: 12-8
| Grand Prix Las Vegas 2015 (2) (MM2 limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 121 | Boccio, Benjamin (1593) | Won 2-0 | +201522 |
| 2sealed | 22 | Desai, Daniel (1468) | Won 2-0 | +171539 |
| 3sealed | 195 | Thurman, Matt (1560) | Won 2-1 | +181557 |
| 4sealed | 56 | Lee, John 2 (1614) | Won 2-0 | +191576 |
| 5sealed | 20 | Freel, Dan (1674) | Lost 1-2 | -161560 |
| 6sealed | 86 | Lieberman, Benjamin (1539) | Won 2-1 | +181578 |
| 7sealed | 87 | Cipriano, Casey (1638) | Won 2-1 | +191597 |
| 8sealed | 42 | Hamel, Olivier (1764) | Lost 1-2 | -151582 |
| 9sealed | 63 | Hintze, Kyle (1613) | Won 2-0 | +191601 |
| 10draft | 9 | Brown, Gavin (1471) | Lost 1-2 | -211580 |
| 11draft | 132 | Levy, Justin (1623) | Won 2-1 | +191599 |
| 12draft | 142 | Leigh, Donald (1647) | Lost 0-2 | -171582 |
| 13draft | 90 | Amaraphornkul, Scott (1647) | Lost 1-2 | -171565 |
| 14draft | 79 | Hwa, Ti Yung (1619) | Won 2-1 | +191584 |
| average opponent: 1605record: 9-5 | new rating: 1584 | |||
| Grand Prix Los Angeles 2014 (KTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 545 | Millar, Geoffrey (1484) | Won 2-1 | +181518 |
| 2standard | 79 | Walsh, Matt (1518) | Won 2-1 | +181536 |
| 3standard | 73 | Castillo, Ryen (1707) | Won 2-1 | +211557 |
| 4standard | 45 | Stapleton, Joshua (1625) | Lost 0-2 | -171540 |
| 5standard | 212 | Gomez, Alex (1450) | Lost 1-2 | -201520 |
| 6standard | 491 | Tuttle, Adam (1519) | Lost 0-2 | -181502 |
| average opponent: 1551record: 3-3 | new rating: 1502 | |||