Yamaguchi, Tyron
Current rating: 1520
Record: 0-0 (GP) / 4-3 (professional)
| Pro Tour New York 1999 (Urza's block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 10 | Maher, Bob (1617) | Lost 1-2 | -161484 |
| 2block | 86 | Sacal, Alexander (1411) | Won 2-0 | +171501 |
| 3block | 53 | Francois, Fabien (1500) | Lost 2-1 | -181483 |
| 4block | 92 | Steht, Lee (1484) | Won 2-0 | +181501 |
| 5block | 94 | Ellis, Chad (1503) | Lost 0-2 | -181483 |
| 6block | 88 | Sochon, Michael (1491) | Won 2-0 | +181501 |
| 7block | 62 | Ponce, Nate (1537) | Won 2-1 | +191520 |
| average opponent: 1506record: 4-3 | new rating: 1520 | |||