Collis, Barrie
Current rating: 1535
Record: 27-27-1
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 159 | Hao, Jia (1646) | Lost 0-2 | -161490 |
| 4sealed | 204 | Petreska, Christopher (1518) | Won 2-1 | +191509 |
| 5sealed | 68 | Whitefield, Peter (1527) | Won 2-1 | +181527 |
| 6sealed | 44 | Hughes, Tim (1674) | Won 2-0 | +211548 |
| 7sealed | 62 | Luey, Jonathan (1699) | Won 2-1 | +201568 |
| 8sealed | 34 | Chew, Kelvin (1662) | Lost 0-2 | -161552 |
| 9sealed | 51 | Rayson, Shawn (1627) | Lost 0-2 | -171535 |
| top | average opponent: 1622record: 4-3 | new rating: 1535 | ||
| Grand Prix Sydney 2013 (RTR limited) | starting rating: 1527 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 1 | Jones, Chris [AUS] (1500) | Lost 1-2 | -181509 |
| 2sealed | 216 | David, Jasper (1480) | Lost 1-2 | -191490 |
| 3sealed | 291 | Locke, Patrick (1464) | Won 2-0 | +181508 |
| 4sealed | 264 | Warren, Ben [AUS] (1449) | Won 2-1 | +171525 |
| 5sealed | 164 | To, Anthony (1463) | Lost 0-2 | -191506 |
| top | average opponent: 1471record: 2-3 | new rating: 1506 | ||
| Grand Prix Sydney 2010 (SOM limited) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 27 | Madigan, Damien (1482) | Won 2-1 | +181508 |
| 2sealed | 5 | Chmielewski, Nicholas (1518) | Won 2-0 | +181526 |
| 3sealed | 3 | Evans, David M (1501) | Won 2-0 | +181544 |
| 4sealed | 50 | Egan, Isaac (1571) | Won 2-1 | +181562 |
| 5sealed | 22 | Puszet, Jarron (1567) | Lost 0-2 | -181544 |
| 6sealed | 41 | Hamlet, Matthew (1586) | Lost 0-2 | -171527 |
| 7sealed | 74 | Tyrrell, Matthew (1535) | Won 2-0 | +181545 |
| 8sealed | 48 | Orda, Jens (1553) | Lost 0-2 | -181527 |
| top | average opponent: 1539record: 5-3 | new rating: 1527 | ||
| Grand Prix Melbourne 2009 (ZEN limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 47 | Chamberlain, David (1557) | Won 2-1 | +201504 |
| 3sealed | 53 | Mladenoski, Bill (1539) | Won 2-0 | +181522 |
| 4sealed | 15 | Dalliston, Shane (1679) | Lost 0-2 | -151507 |
| 5sealed | 80 | Crompton, Neil (1574) | Draw 1-1 | +11508 |
| 6sealed | 60 | Gray, Scott (1537) | Lost 0-2 | -171491 |
| 7sealed | 91 | Webb, Pete (1520) | Won 2-0 | +191510 |
| 8sealed | 65 | Connelly-Hansen, Allan (1428) | Lost 0-2 | -201490 |
| top | average opponent: 1548record: 3-3-1 | new rating: 1490 | ||
| Grand Prix Brisbane 2007 (LRW limited) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 52 | Eckermann, Andrew (1459) | Lost 1-2 | -191465 |
| 3sealed | 56 | Campbell, David J (1466) | Won 2-0 | +191484 |
| 4sealed | 51 | Burgess, William (1429) | Won 2-1 | +171501 |
| 5sealed | 23 | Harvey, David [AUS] (1536) | Won 2-0 | +181519 |
| 6sealed | 19 | Laherty, Chris (1555) | Lost 0-2 | -171502 |
| 7sealed | 47 | Amos, Tim (1539) | Lost 0-2 | -181484 |
| top | average opponent: 1497record: 3-3 | new rating: 1484 | ||
| Grand Prix Sydney 2006 (TSP limited) | starting rating: 1455 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 4 | Chung, Tony (1500) | Won 2-1 | +191474 |
| 2sealed | 4 | Starr, Andrew (1518) | Won 2-0 | +191493 |
| 3sealed | 9 | Zhang, James (1761) | Lost 0-2 | -131480 |
| 4sealed | 8 | Neeman, Jeremy (1603) | Lost 1-2 | -161464 |
| 5sealed | 79 | Ninnes, Jeremy S (1502) | Won 2-0 | +191483 |
| 6sealed | 64 | Wilson, Christopher [AUS] (1518) | Won 2-1 | +181501 |
| 7sealed | 40 | Baker, Scott D (1538) | Lost 1-2 | -171484 |
| top | average opponent: 1563record: 4-3 | new rating: 1484 | ||
| Grand Prix Brisbane 2004 (COK limited) | starting rating: 1450 | |||
| round | table | opponent (rating) | result | Δrating |
| 4sealed | 6 | Steele, Wayne (1576) | Lost 1-2 | -161434 |
| 5sealed | 47 | Chonka, Dwaine (1500) | Lost 1-2 | -171417 |
| 6sealed | 65 | Davey, Philip (1457) | Won 2-0 | +191436 |
| 7sealed | 50 | Lee, Charles (1521) | Won 2-1 | +191455 |
| top | average opponent: 1514record: 2-2 | new rating: 1455 | ||
| Grand Prix Sydney 2003 (MRD limited) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 1 | Green, Micah (1540) | Won 2-1 | +191502 |
| 3sealed | 33 | Stevenson, Martin (1500) | Lost 1-2 | -181484 |
| 4sealed | 62 | Barsing, Mal (1482) | Lost 1-2 | -181466 |
| 5sealed | 78 | Chan, Wilkin (1483) | Won 2-1 | +181484 |
| 6sealed | 76 | Dodd, James [AUS] (1534) | Lost 0-2 | -171467 |
| 7sealed | 84 | McIntosh, Seth (1483) | Lost 1-2 | -171450 |
| top | average opponent: 1504record: 2-4 | new rating: 1450 | ||
| Grand Prix Sydney 2000 (extended) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3extended | 23 | Turner, Daniel (1518) | Lost 1-2 | -181482 |
| 4extended | 47 | Murnain, Alaric (1518) | Lost 0-2 | -171465 |
| 5extended | 64 | Chin Quan, Audrey (1500) | Won 2-0 | +191484 |
| 6extended | 56 | Starak, Yaro (1436) | Won 2-1 | +171501 |
| 7extended | 43 | Connolly, Joe (1518) | Lost 0-2 | -181483 |
| top | average opponent: 1498record: 2-3 | new rating: 1483 | ||