Petursson, Aron Freyr
Current rating: 1666
Record: 23-14
| Regional Championships Lille 2023 (pioneer) | starting rating: 1659 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 76 | Sarfis, Gabriel (1557) | Won 2-0 | +161675 |
| 2pioneer | 36 | Cai, Giona (1797) | Won 2-1 | +201695 |
| 3pioneer | 24 | Terradura, Claudio (1560) | Lost 1-2 | -201675 |
| 4pioneer | 49 | Caro Sanchez, Sergi (1563) | Won 2-1 | +161691 |
| 5pioneer | 29 | Jovičin, Nemanja (1538) | Won 2-0 | +151706 |
| 6pioneer | 52 | Glogowski, Piotr (1942) | Lost 1-2 | -141692 |
| 7pioneer | 79 | Unden, Viking (1499) | Lost 0-2 | -211671 |
| 8pioneer | 115 | Collareda, Marco (1529) | Won 2-0 | +151686 |
| 9pioneer | 106 | Oreni, Stefano (1579) | Lost 0-2 | -201666 |
| top | average opponent: 1618record: 5-4 | new rating: 1666 | ||
| MagicCon Barcelona 2023 Limited Open (LTR limited) | starting rating: 1626 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 3178 | Santos, Joao (1588) | Won 2-0 | +171643 |
| 2sealed | 3065 | Gonzalez Hidalgo, Francisco Jose (1676) | Lost 0-2 | -171626 |
| 3sealed | 3150 | Heene, Florian (1434) | Won 2-1 | +151641 |
| 4sealed | 3032 | Gano, Rafal (1526) | Won 2-1 | +161657 |
| 5sealed | 3029 | Mango, Gennaro (1715) | Won 2-0 | +191676 |
| 6sealed | 3015 | Rizzi, Mattia (1987) | Lost 1-2 | -131663 |
| 7sealed | 3047 | Rebolledo Mellado, Carlos-Joaquin (1496) | Lost 0-2 | -211642 |
| 8sealed | 3062 | Roubaud, Matias (1583) | Won 2-1 | +171659 |
| top | average opponent: 1626record: 5-3 | new rating: 1659 | ||
| Grand Prix Birmingham 2019 (modern) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 278 | Gates, Toby (1450) | Won 2-1 | +171519 |
| 2modern | 98 | Vogel, Sylvain (1464) | Lost 0-2 | -191500 |
| 3modern | 354 | Fawcett, Joe (1433) | Won 2-1 | +171517 |
| 4modern | 224 | Sammons, Gregory (1518) | Won 2-0 | +181535 |
| 5modern | 98 | Vontitsos, George (1733) | Won 2-0 | +211556 |
| 6modern | 84 | Canning, Liam (1567) | Won 2-1 | +191575 |
| 7modern | 66 | Parker, Richard (1818) | Won 2-0 | +221597 |
| 8modern | 18 | Harborne, Daniel (1570) | Lost 0-2 | -191578 |
| 10modern | 24 | Doogue, Jonathan (1600) | Won 2-1 | +191597 |
| 11modern | 11 | Coates, Richard (1593) | Lost 1-2 | -181579 |
| 12modern | 48 | Van Doesburg, Steven (1629) | Won 2-0 | +191598 |
| 13modern | 24 | Burchett, Autumn (1903) | Won 2-0 | +231621 |
| 14modern | 20 | Murray, Stephen (1867) | Won 2-1 | +221643 |
| 15modern | 13 | Hillier, Alex (1684) | Lost 0-2 | -171626 |
| top | average opponent: 1630record: 10-4 | new rating: 1626 | ||
| Grand Prix Stockholm 2018 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 44 | Granberg, Alexander (1500) | Won 2-1 | +181518 |
| 2modern | 7 | Jonsson, Tommy (1517) | Won 2-0 | +181536 |
| 3modern | 261 | Thompson, Richard [IRL] (1620) | Lost 1-2 | -161520 |
| 4modern | 388 | Forslund, Fredrik (1564) | Lost 1-2 | -181502 |
| 5modern | 383 | Boogaart, Danny (1519) | Won 2-1 | +191521 |
| 6modern | 318 | Larsen, Thomas Korfits (1486) | Lost 1-2 | -191502 |
| top | average opponent: 1534record: 3-3 | new rating: 1502 | ||