Poulos, Kosta
Current rating: 1464
Record: 4-6-1
| Grand Prix Melbourne 2016 (modern) | starting rating: 1483 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 381 | Daley, Ben (1431) | Draw 1-1 | -11482 |
| 2modern | 248 | Maurer, David (1499) | Lost 1-2 | -181464 |
| 3modern | 448 | Pianto, James (1483) | Lost 0-2 | -181446 |
| 4modern | 492 | Lobascio, Stefano (1464) | Won 2-0 | +191465 |
| 5modern | 421 | Brown, Ross (1481) | Won 2-1 | +181483 |
| 6modern | 330 | Linke, Johnny (1448) | Lost 0-2 | -191464 |
| average opponent: 1468record: 2-3-1 | new rating: 1464 | |||
| Grand Prix Sydney 2015 (BFZ limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 80 | Ames, Chris (1618) | Won 2-0 | +201520 |
| 2sealed | 70 | Ng, Kevin (1469) | Lost 0-2 | -191501 |
| 3sealed | 245 | Millington, David (1500) | Won 2-0 | +181519 |
| 4sealed | 255 | Swannack, Cole (1575) | Lost 1-2 | -171502 |
| 5sealed | 204 | Ooi, Adrian (1414) | Lost 0-2 | -191483 |
| average opponent: 1515record: 2-3 | new rating: 1483 | |||