Riddell, Barry
Current rating: 1478
Record: 19-22
| Grand Prix Hartford 2018 (modern) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 445 | Cong, Yale (1660) | Won 2-0 | +211468 |
| 2modern | 300 | Najdzien, Kenton (1518) | Lost 1-2 | -171451 |
| 3modern | 300 | Kolpack, Andrew (1464) | Lost 1-2 | -171434 |
| 4modern | 300 | Bailey, Andrew (1572) | Won 2-0 | +201454 |
| 5modern | 300 | Nesbitt, Sterling (1472) | Won 2-1 | +181472 |
| 6modern | 300 | Wiedemann, Grant (1655) | Won 2-1 | +221494 |
| 7modern | 300 | Vaugeois, Christophe (1599) | Lost 0-2 | -161478 |
| top | average opponent: 1563record: 4-3 | new rating: 1478 | ||
| Grand Prix Montreal 2017 (AKH standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 2006 | Ste Marie, Christopher (1483) | Lost 0-2 | -181462 |
| 2standard | 2212 | Cook, Benjamin (1483) | Won 2-0 | +181480 |
| 3standard | 2313 | Cormier, Brandon (1535) | Lost 0-2 | -171463 |
| 4standard | 2333 | Angers Ruest, Marc (1555) | Lost 1-2 | -161447 |
| top | average opponent: 1514record: 1-3 | new rating: 1447 | ||
| Grand Prix Indianapolis 2016 (modern) | starting rating: 1475 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 106 | Costello, James (1580) | Lost 1-2 | -171458 |
| 2modern | 706 | Bledsoe, Doyle (1446) | Won 2-1 | +181476 |
| 3modern | 621 | Collins, Randall (1482) | Won 2-1 | +181494 |
| 4modern | 477 | Marsh, Zack (1517) | Lost 1-2 | -171477 |
| 5modern | 506 | Whitaker, Matthew (1502) | Won 2-0 | +181495 |
| 6modern | 345 | Bormet, Aaron (1432) | Won 2-0 | +171512 |
| 7modern | 189 | Mork, Elliot (1512) | Lost 1-2 | -181494 |
| 8modern | 336 | Kastel, Chad (1764) | Won 2-1 | +231517 |
| 9modern | 378 | Mohr, Mike (1393) | Won 2-0 | +161533 |
| 10modern | 1058 | Shannon, Jack (1558) | Lost 1-2 | -181515 |
| 11modern | 1047 | Lyons, Greg (1497) | Lost 1-2 | -181497 |
| 12modern | 1071 | Thomas, Tony (1541) | Lost 0-2 | -171480 |
| top | average opponent: 1519record: 6-6 | new rating: 1480 | ||
| Grand Prix Detroit 2016 (modern) | starting rating: 1448 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 250 | Christopher, Kenny (1500) | Lost 1-2 | -171431 |
| 2modern | 879 | Johns, Tony (1467) | Lost 0-2 | -181413 |
| 3modern | 1116 | Yenkel, Kevin (1465) | Won 2-1 | +191432 |
| 4modern | 869 | Knott, Jacob (1473) | Lost 1-2 | -171415 |
| 5modern | 1029 | Rego, Anthony (1466) | Won 2-0 | +191434 |
| 6modern | 962 | Sewall, Zachary (1489) | Lost 1-2 | -171417 |
| 7modern | 878 | Cauli, Paquito (1517) | Won 2-0 | +201437 |
| 8modern | 698 | Rominske, Zach (1483) | Won 2-1 | +191456 |
| 9modern | 526 | Guenther, Nolan (1497) | Won 2-0 | +191475 |
| top | average opponent: 1484record: 5-4 | new rating: 1475 | ||
| Grand Prix Quebec City 2015 (BFZ standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 135 | Morizet, Matthieu (1497) | Won 2-1 | +181518 |
| 2standard | 116 | Curry, Alexander (1487) | Lost 1-2 | -191499 |
| 3standard | 295 | Audet, Keven (1501) | Won 2-1 | +181517 |
| 4standard | 170 | Dore, Felix (1571) | Won 2-0 | +191536 |
| 5standard | 153 | Richardson, Justin (1556) | Lost 0-2 | -171519 |
| 6standard | 136 | Rivard Haustrate, Guillaume (1515) | Lost 0-2 | -181501 |
| 7standard | 184 | Duchesne, Mike (1501) | Lost 0-2 | -181483 |
| 8standard | 180 | Joseph-Pare, Bertrand (1550) | Lost 0-0 | -171466 |
| 9standard | 160 | Calhoun, William (1463) | Lost 1-2 | -181448 |
| top | average opponent: 1516record: 3-6 | new rating: 1448 | ||