Thorsteinsson, Arni
Current rating: 1492
Record: 14-15-1
| Grand Prix Copenhagen 2018 (DOM standard) | starting rating: 1524 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 110 | Eriksson, Bjorn (1596) | Won 2-0 | +191543 |
| 4standard | 80 | Strautz, Marcel (1529) | Lost 1-2 | -181525 |
| 5standard | 108 | Stadler, Jan (1667) | Lost 0-2 | -161509 |
| 6standard | 170 | Ruz Ramo, Andres (1523) | Lost 0-2 | -171492 |
| top | average opponent: 1579record: 1-3 | new rating: 1492 | ||
| Grand Prix London 2016 (KLD limited) | starting rating: 1576 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 260 | Cleemann, Jonas (1758) | Won 2-1 | +211597 |
| 2sealed | 324 | Fernandez, Marcos Jose (1665) | Lost 1-2 | -171580 |
| 3sealed | 962 | Pavlicek, Miroslav (1456) | Lost 1-2 | -201560 |
| 4sealed | 995 | Carson, Desmond James (1627) | Lost 0-2 | -171543 |
| 5sealed | 967 | Iles-Caine, Richard (1463) | Lost 1-2 | -191524 |
| top | average opponent: 1594record: 1-4 | new rating: 1524 | ||
| Grand Prix Stockholm 2016 (EMN limited) | starting rating: 1628 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 165 | Hahn, Thomas (1500) | Lost 0-2 | -201608 |
| 2sealed | 384 | Grunert, Florian (1483) | Won 2-1 | +161624 |
| 3sealed | 459 | Nielsen, Jacob Norholm (1531) | Lost 1-2 | -201604 |
| 4sealed | 408 | Bagge Johansson, Henrik (1401) | Won 2-0 | +141618 |
| 5sealed | 313 | Lehnert, Heiko (1458) | Lost 0-2 | -211597 |
| 6sealed | 419 | Sala, Andrea (1391) | Lost 1-2 | -211576 |
| top | average opponent: 1461record: 2-4 | new rating: 1576 | ||
| Grand Prix Manchester 2016 (SOI standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 193 | Fariss, Benjamin (1500) | Won 2-1 | +181518 |
| 2standard | 46 | Rice, Edmund (1518) | Won 2-1 | +181536 |
| 3standard | 399 | Murphy, Lee (1380) | Won 2-0 | +151551 |
| 4standard | 29 | Sharman, David (1554) | Won 2-1 | +181569 |
| 5standard | 31 | Twist, Lukas (1571) | Won 2-1 | +181587 |
| 6standard | 9 | Moure, Matteo (1975) | Won 2-0 | +251612 |
| 7standard | 21 | Christensen, Oscar (1697) | Lost 1-2 | -161596 |
| 8standard | 76 | Jorgensen, Marcel (1569) | Won 2-1 | +171613 |
| 9standard | 39 | Sochurek, Petr (2046) | Won 2-0 | +251638 |
| 10standard | 20 | Gotfredsen, Anders (1655) | Draw 1-1 | +11639 |
| 11standard | 17 | Ferguson, Sean (1692) | Lost 1-2 | -171622 |
| 12standard | 38 | Al Takrouri, Karim (1640) | Lost 1-2 | -181604 |
| 13standard | 87 | Ristovsky, Tom (1754) | Won 2-0 | +211625 |
| 14standard | 50 | Zimmermann, Raoul (1798) | Lost 0-2 | -151610 |
| 15standard | 85 | Bradshaw, Luke7947 (1618) | Won 2-1 | +181628 |
| top | average opponent: 1665record: 10-4-1 | new rating: 1628 | ||