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Individual Calculations February 2023 |
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| Eefting, Martijn Total change: 102.60 | |   |
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| Chessfestival Groningen 2022 Open B | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1861 | 1753 | 5.00 | 8 | 2.11 | 20 | 42.20 | |
|  Pouw, Marcel | | | 1871 | NED | 0.50 | 1 | 0.16 | 20 | 3.20 | |  De Vries, Leon | | | 1894 | NED | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Boeren, Jurriaan | | | 1923 | NED | 0.00 | 1 | -0.28 | 20 | -5.60 | | | Van Caspel, Ruud | | | 2050 | NED | 1.00 | 1 | 0.85 | 20 | 17.00 | | | Bruggink, Tycho | | | 1865 | NED | 0.00 | 1 | -0.35 | 20 | -7.00 | | | Qatina, Waheeb | | | 1628 | NED | 1.00 | 1 | 0.33 | 20 | 6.60 | | | Van Der Lubben, Arno | | | 1899 | NED | 1.00 | 1 | 0.70 | 20 | 14.00 | | | Kazarjan, Gachatur | | | 1759 | NED | 0.50 | 1 | 0.01 | 20 | 0.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Tata Steel Tienkampen 2023 | Wijk aan Zee | NED | 2023-01-20 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1755 | 1753 | 7.00 | 8 | 3.02 | 20 | 60.40 | |
| | Nieland, Wim | | | 1829 | NED | 1.00 | 1 | 0.60 | 20 | 12.00 | | | Croes, Octavio | c | | 1767 | ARU | 1.00 | 1 | 0.52 | 20 | 10.40 | | | Chidichimo, Pedro Jose Maria | | | 1737 | ESP | 0.50 | 1 | -0.02 | 20 | -0.40 | | | Chochoy, Patrick | | | 1616 | FRA | 0.50 | 1 | -0.18 | 20 | -3.60 | | | Remmerswaal, Wouter | | | 1875 | NED | 1.00 | 1 | 0.67 | 20 | 13.40 | | | Van Den Berg, Jaap | | | 1690 | NED | 1.00 | 1 | 0.41 | 20 | 8.20 | | | Van De Pavoordt, Frank | | | 1785 | NED | 1.00 | 1 | 0.54 | 20 | 10.80 | | | Bruins, Ron | | | 1742 | NED | 1.00 | 1 | 0.48 | 20 | 9.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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