Halonen, Teemu
Current rating: 1711 (#5819)
Record: 28-17 (GP) / 2-5 (professional)
| Grand Prix Brussels 2020 (pioneer) | starting rating: 1642 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 169 | Hrycej, Martin (1917) | Won 2-0 | +231665 |
| 4pioneer | 200 | Mazzola, Dario (1581) | Won 2-0 | +161681 |
| 5pioneer | 1 | Martinello da Costa, Paulo Henrique (1804) | Won 2-0 | +211702 |
| 6pioneer | 39 | Lambrich, Benjamin (1877) | Won 2-0 | +211723 |
| 7pioneer | 23 | Kanelis, Pavlos (1583) | Won 2-1 | +151738 |
| 8pioneer | 10 | Dosimont, Amand (1939) | Won 2-0 | +221760 |
| 9pioneer | 4 | Moral, Carlos (1929) | Won 2-0 | +211781 |
| 10pioneer | 2 | Gorzgen, Fabian (1878) | Lost 0-2 | -161765 |
| 11pioneer | 14 | Kuhnert, Paul-Phillipp (1714) | Lost 1-2 | -191746 |
| 12pioneer | 11 | Nguyen, Thien (1894) | Lost 0-2 | -151731 |
| 13pioneer | 37 | Osipenko, Dmitrii (1550) | Lost 1-2 | -221709 |
| 14pioneer | 52 | Krieger, Philipp (1809) | Won 2-0 | +201729 |
| 15pioneer | 34 | Fernandes, Bruno (1744) | Lost 1-2 | -181711 |
| top | average opponent: 1786record: 8-5 | new rating: 1711 | ||
| Grand Prix Bilbao 2019 (modern) | starting rating: 1604 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 165 | Carvalho, Daniel (1516) | Won 2-0 | +161620 |
| 3modern | 134 | Endle, Heiko (1495) | Won 2-0 | +161636 |
| 4modern | 37 | Eloranta, Joonas (1769) | Won 2-0 | +201656 |
| 5modern | 50 | Kundegraber, Michael (1816) | Won 2-1 | +211677 |
| 6modern | 7 | Eckhard, Linus (1818) | Won 2-1 | +211698 |
| 7modern | 19 | Petrick, Fabien (1649) | Lost 0-2 | -191679 |
| 8modern | 58 | Fernandez Barrio, Roberto (1556) | Won 2-1 | +151694 |
| 9modern | 35 | Twist, Lukas (1870) | Lost 1-2 | -141680 |
| 10modern | 82 | Rentsch, Jari (1902) | Lost 1-2 | -141666 |
| 11modern | 69 | Gonzalez, Arturo (1701) | Won 2-1 | +181684 |
| 12modern | 67 | Moor, Maurice (1594) | Lost 0-2 | -191665 |
| 13modern | 70 | Schinardi, Francesco (1469) | Lost 1-2 | -221643 |
| 14modern | 103 | Pinheiro, Hugo (1594) | Lost 1-2 | -191624 |
| 15modern | 104 | Jansen, Sepp (1618) | Won 2-1 | +181642 |
| top | average opponent: 1669record: 8-6 | new rating: 1642 | ||
| Grand Prix Prague 2018 (modern) | starting rating: 1650 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 58 | Siddik, Ahmed (1491) | Lost 0-2 | -211629 |
| 2modern | 581 | Baranov, Oleg (1488) | Won 2-0 | +151644 |
| 3modern | 726 | Trunecek, Petr (1500) | Lost 0-2 | -201624 |
| 4modern | 867 | Karkkainen, Ville (1501) | Lost 1-2 | -201604 |
| top | average opponent: 1495record: 1-3 | new rating: 1604 | ||
| Pro Tour Hour of Devastation (HOU standard) | starting rating: 1693 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 21 | Kojima, Terumasa (1765) | Lost 0-2 | -171676 |
| 2draft | 21 | Martell, Tom (1853) | Lost 0-2 | -151661 |
| 4standard | 216 | Chiba, Akio (2035) | Won 2-0 | +251686 |
| 5standard | 212 | Murray, Stephen (1753) | Lost 0-2 | -171669 |
| 6standard | 193 | Lloyd, James (1664) | Lost 1-2 | -181651 |
| 7standard | 215 | Skauen, Fredrik (1492) | Won 2-1 | +151666 |
| 8standard | 184 | Traarbach, Charly (1774) | Lost 0-2 | -161650 |
| top | average opponent: 1762record: 2-5 | new rating: 1650 | ||
| Grand Prix Copenhagen 2017 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 227 | Poglodzinski, John (1481) | Won 2-1 | +181518 |
| 4modern | 35 | Nystrom, Per (1912) | Won 2-1 | +241542 |
| 5modern | 102 | Vuorela, Lauri (1639) | Won 2-1 | +201562 |
| 6modern | 46 | Scrocca, Riccardo (1418) | Won 2-0 | +161578 |
| 7modern | 9 | Lutzen, Iven (1572) | Won 2-0 | +181596 |
| 8modern | 7 | Vontitsos, George (1665) | Won 2-0 | +191615 |
| 9modern | 6 | Carvalho, Marcio (2167) | Won 2-1 | +271642 |
| 10modern | 243 | Aarela, Tommi (1814) | Won 2-1 | +211663 |
| 11modern | 242 | van der Linden, Leon (1836) | Won 2-0 | +211684 |
| 12modern | 241 | Perbet, Guillaume (2023) | Won 2-0 | +241708 |
| 13modern | 241 | Stroh, Kim (1895) | Lost 0-2 | -151693 |
| 14modern | 242 | Rizzi, Mattia (2052) | Lost 0-2 | -111682 |
| 15modern | 243 | Holtmann, Niklas (1819) | Won 2-1 | +201702 |
| Qmodern | Muller, Martin (2199) | Lost 0-2 | -91693 | |
| top | average opponent: 1821record: 11-3 | new rating: 1693 | ||