Tamayo, Jonathan
Current rating: 1511
Record: 9-8
| Grand Prix Houston 2016 (OGW standard) | starting rating: 1516 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 458 | Cox, Rodney (1436) | Lost 1-2 | -201496 |
| 2standard | 683 | Thimgan, Nathan (1482) | Won 2-0 | +181514 |
| 3standard | 673 | Rodriguez, Robert (1468) | Lost 1-2 | -191495 |
| 4standard | 737 | Peppe, George (1483) | Lost 0-2 | -181477 |
| 5standard | 731 | Newell, Josh (1476) | Won 2-0 | +181495 |
| 6standard | 602 | Grizzle, Brent (1469) | Lost 0-2 | -191476 |
| 7standard | 617 | Rocha, Sergio (1427) | Won 2-1 | +171493 |
| 8standard | 520 | McCullough, Jeffrey (1454) | Won 2-0 | +181511 |
| average opponent: 1462record: 4-4 | new rating: 1511 | |||
| Grand Prix Atlantic City 2013 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 382 | Giaimo, Nicholas (1500) | Lost 0-2 | -181482 |
| 2standard | 570 | Holley, Jeffrey E (1482) | Lost 1-2 | -181464 |
| 3standard | 715 | Klingberg, Eric (1464) | Lost 1-2 | -181446 |
| 4standard | 753 | Watkins, Delmar (1396) | Won 2-1 | +171463 |
| 5standard | 670 | Kelly, Raphael (1463) | Won 2-1 | +181481 |
| 6standard | 566 | McCoy, David (1431) | Won 2-1 | +171498 |
| 7standard | 392 | Magana, Billy (1500) | Won 2-1 | +181516 |
| 8standard | 291 | Waller, Ozzie (1467) | Won 2-1 | +171533 |
| 9standard | 222 | Derczo, Michael (1550) | Lost 0-2 | -171516 |
| average opponent: 1473record: 5-4 | new rating: 1516 | |||