Coon, Sam
Current rating: 1455
Record: 4-7
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 290 | Nice, Charles (1516) | Won 2-1 | +181484 |
| 2modern | 48 | Peng, Tianjian (1625) | Lost 1-2 | -151469 |
| 3modern | 715 | Sauer, John (1552) | Won 2-1 | +201489 |
| 4modern | 382 | Griesdorn, Andrew (1502) | Won 2-0 | +181507 |
| 5modern | 311 | Skrzypczak, Anthony (1536) | Lost 0-2 | -181489 |
| 6modern | 342 | Keene, Nathan (1568) | Lost 1-2 | -161473 |
| 7modern | 543 | Kozack, Brian (1487) | Lost 1-2 | -181455 |
| average opponent: 1541record: 3-4 | new rating: 1455 | |||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 801 | Edmonson, Galven (1500) | Won 2-1 | +181518 |
| 2standard | 517 | Sudemir, Raleigh (1518) | Lost 0-2 | -181500 |
| 3standard | 859 | Jaeger, Mark (1551) | Lost 1-2 | -171483 |
| 4standard | 857 | Morris, Bo (1517) | Lost 1-2 | -171466 |
| average opponent: 1522record: 1-3 | new rating: 1466 | |||