Lahoud, Johnny
Current rating: 1406
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 219 | Alabrash, Adam (1500) | Lost 1-2 | -171397 |
| 2standard | 307 | Shi, Joseph (1482) | Lost 1-2 | -161381 |
| 3standard | 354 | Zhong, David (1466) | Won 2-0 | +191400 |
| 4standard | 385 | Bartholomew, Jonathan (1483) | Won 2-0 | +201420 |
| 5standard | 294 | Toussaint, Francis (1680) | Lost 0-2 | -141406 |
| top | average opponent: 1522record: 2-3 | new rating: 1406 | ||
| Grand Prix Philadelphia 2008 (extended) | starting rating: 1465 | |||
| round | table | opponent (rating) | result | Δrating |
| 2extended | 175 | Reiss, Spencer (1422) | Lost 1-2 | -191446 |
| 3extended | 297 | Gardler, Harrison J (1502) | Won 2-0 | +191465 |
| 4extended | 177 | Conrad, Michael (1502) | Lost 1-2 | -181447 |
| 5extended | 229 | Rockey, Craig D (1518) | Lost 0-2 | -161431 |
| 6extended | 329 | Torres, Sergio (1481) | Lost 0-2 | -171414 |
| top | average opponent: 1485record: 1-4 | new rating: 1414 | ||
| Grand Prix San Francisco 2007 (Time Spiral block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 67 | Hawks, Brandon (1465) | Won 1-0 | +171517 |
| 3block | 46 | Smith, Jacob (1581) | Lost 0-2 | -161501 |
| 4block | 191 | Whalen, Michael (1482) | Lost 1-2 | -191482 |
| 5block | 185 | Chen, Fei (1500) | Lost 0-2 | -171465 |
| top | average opponent: 1507record: 1-3 | new rating: 1465 | ||