Weiss, Mark
Current rating: 1500
Record: 7-7
| Grand Prix Boston-Worcester 2014 (modern) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 811 | McIntyre, James (1472) | Lost 1-2 | -191518 |
| 2modern | 1007 | Chandler, Ryan (1489) | Lost 1-2 | -181500 |
| 3modern | 1220 | Roberts, Charles (1464) | Won 2-1 | +171517 |
| 4modern | 1164 | Blum, Ben (1483) | Won 2-1 | +171534 |
| 5modern | 960 | Droggitis, Dustin (1698) | Lost 0-2 | -151519 |
| 6modern | 1090 | Delcourt, Zachary (1464) | Lost 0-2 | -191500 |
| average opponent: 1512record: 2-4 | new rating: 1500 | |||
| Grand Prix Richmond 2014 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 165 | Hodskins, Logan (1500) | Lost 0-2 | -181482 |
| 2modern | 407 | Lewis, Nathan (1498) | Lost 0-2 | -181464 |
| 3modern | 497 | Turner, Maxx (1392) | Won 2-0 | +171481 |
| 4modern | 480 | Duckworth, Drew (1482) | Won 2-0 | +181499 |
| 5modern | 281 | Monahan, Brooks (1498) | Won 2-0 | +181517 |
| 6modern | 265 | Wible, Mike (1552) | Won 2-0 | +191536 |
| 7modern | 123 | Klinkhammer, Matthew (1701) | Won 2-0 | +211557 |
| 8modern | 125 | Vinson, Gregory (1491) | Lost 1-2 | -201537 |
| average opponent: 1514record: 5-3 | new rating: 1537 | |||