Walters, Les
Current rating: 1454
Record: 15-18-2
| Grand Prix Seattle 2009 (ARB standard) | starting rating: 1466 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 19 | Blanchard, Wes (1586) | Won 2-1 | +211487 |
| 2standard | 14 | Beg, Hollie (1517) | Won 2-0 | +181505 |
| 3standard | 44 | Clark, Travis A (1500) | Lost 1-2 | -181487 |
| 4standard | 342 | Barton, Aaron (1516) | Lost 1-2 | -171470 |
| 5standard | 412 | Shoop, Matt L (1503) | Won 2-1 | +181488 |
| 6standard | 230 | Virden, Jeremy (1501) | Lost 0-2 | -181470 |
| 7standard | 265 | Rivard, Mike (1501) | Lost 0-2 | -171453 |
| 8standard | 233 | Empyrion, Jade (1481) | Won 1-0 | +191472 |
| 9standard | 184 | Gibson, Jamal (1499) | Lost 0-0 | -181454 |
| top | average opponent: 1511record: 4-5 | new rating: 1454 | ||
| Grand Prix Kansas City 2008 (ALA limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 55 | Wagner, Nick (1500) | Lost 1-2 | -181466 |
| 2sealed | 215 | Hendrickson, Aaron (1482) | Draw 1-1 | 01466 |
| 3sealed | 284 | Johnson, Cody (1481) | Won 2-0 | +181484 |
| 4sealed | 242 | Miller, Daniel A (1518) | Lost 0-2 | -171467 |
| 5sealed | 254 | Stager, Mark A (1482) | Lost 0-2 | -181449 |
| 6sealed | 223 | Layman, Nick (1446) | Draw 1-1 | 01449 |
| 7sealed | 184 | Barnett, Michael (1448) | Lost 0-2 | -181431 |
| 8sealed | 148 | Allen-Caylor, Michael (1411) | Won 2-0 | +181449 |
| 9sealed | 114 | Plute, Katie A (1427) | Won 2-1 | +171466 |
| top | average opponent: 1466record: 3-4-2 | new rating: 1466 | ||
| Grand Prix Denver 2008 (Lorwyn block) | starting rating: 1460 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 21 | Bishop, James M (1500) | Won 2-1 | +191479 |
| 2block | 109 | Abraniuk, Michael (1518) | Lost 0-2 | -171462 |
| 3block | 186 | Williams, Seth (1482) | Lost 1-2 | -181444 |
| 4block | 219 | Pacyga, Stephen (1481) | Lost 1-2 | -171427 |
| 5block | 241 | Foster, William [USA] (1462) | Won 2-1 | +191446 |
| 6block | 220 | Sonka, Daniel L (1481) | Won 2-0 | +181464 |
| 7block | 150 | Hagerling, Luke (1465) | Won 2-0 | +181482 |
| 8block | 127 | Romero, Julian (1518) | Lost 1-2 | -171465 |
| 9block | 110 | Cardenas, Jon (1505) | Won 2-1 | +191484 |
| top | average opponent: 1490record: 5-4 | new rating: 1484 | ||
| Grand Prix Kansas City 2003 (MRD limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 23 | Long, Ryan (1500) | Won 2-1 | +181518 |
| 2sealed | 63 | Vaughn, Daniel (1477) | Won 2-0 | +171535 |
| 3sealed | 11 | Slone, Tyler (1502) | Won 2-0 | +181553 |
| 4sealed | 54 | Vrba, Ben (1500) | Lost 0-1 | -191534 |
| 5sealed | 50 | Gillette, Clayton (1482) | Lost 0-2 | -191515 |
| 6sealed | 88 | Curry, Matt (1481) | Lost 1-2 | -191496 |
| 7sealed | 107 | Gray, Quanah (1502) | Lost 0-2 | -181478 |
| 8sealed | 92 | Cevette, Michael (1488) | Lost 1-2 | -181460 |
| top | average opponent: 1491record: 3-5 | new rating: 1460 | ||