Koh, Raymond
Current rating: 1583
Record: 12-7
| Grand Prix Sacramento 2014 (THS limited) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1032 | Maurer, Maxwell (1517) | Lost 1-2 | -201608 |
| 3sealed | 1257 | Stremel, James (1500) | Lost 1-2 | -201588 |
| 4sealed | 1239 | Escalante, Matthew (1414) | Won 2-1 | +151603 |
| 5sealed | 1241 | Madden-Fong, Jesse (1468) | Lost 1-2 | -201583 |
| average opponent: 1475record: 1-3 | new rating: 1583 | |||
| Grand Prix Oakland 2013 (M14 limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 368 | Kimerer, Craig (1500) | Won 2-0 | +181518 |
| 2sealed | 58 | Widener, James (1498) | Won 2-0 | +181536 |
| 3sealed | 53 | Phillips, Dimitri (1500) | Won 2-0 | +171553 |
| 4sealed | 277 | Welch, Stephen (1556) | Lost 0-2 | -181535 |
| 5sealed | 155 | Juza, Martin (1699) | Won 2-0 | +211556 |
| 6sealed | 377 | Skates, Spenser (1551) | Won 2-1 | +181574 |
| 7sealed | 169 | Mansell, Austin (1547) | Won 2-0 | +171591 |
| 8sealed | 20 | Kenjar, Jason (1477) | Won 2-1 | +161607 |
| 9sealed | 34 | King, Jeremy (1517) | Won 2-0 | +171624 |
| 10draft | 39 | Flaum, Adam (1644) | Won 2-1 | +181642 |
| 11draft | 37 | Leib, Ryan (1648) | Won 2-0 | +181660 |
| 12draft | 28 | Chang, Bryant (1657) | Won 2-0 | +181678 |
| 13draft | 45 | Ward, Daniel (1784) | Lost 0-2 | -161662 |
| 14draft | 34 | Ale, Carlos (1780) | Lost 0-2 | -161646 |
| 15draft | 33 | Parise, Brett (1661) | Lost 1-2 | -181628 |
| average opponent: 1601record: 11-4 | new rating: 1628 | |||