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Individual Calculations February 2023 |
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| Graaff, Rob Total change: -4.00 | |   |
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| Chessfestival Groningen 2022 Open C | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1436 | 1533 | 3.00 | 5 | -0.10 | 40 | -4.00 | |
|  Smit, Tom | | | 1494 | NED | 1.00 | 1 | 0.45 | 40 | 18.00 | |  Gerdes, Jesko | | | 1264 | GER | 0.50 | 1 | -0.33 | 40 | -13.20 | | | Psaila, Ocean | | | 1298 | MLT | 1.00 | 1 | 0.21 | 40 | 8.40 | | | Pompstra, Henk | | | 1696 | NED | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Gohil, Viaan | | | 1426 | NED | 0.50 | 1 | -0.15 | 40 | -6.00 | |
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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