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Individual Calculations February 2023 |
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| Van Der Leest, Karel Total change: 2.40 | |   |
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| Chessfestival Groningen 2022 Open C | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1453 | 1443 | 3.00 | 6 | 0.06 | 40 | 2.40 | |
|  Bottema, Jeroen | | | 1696 | NED | 0.00 | 1 | -0.19 | 40 | -7.60 | |  Bakkes, Frits | | | 1564 | NED | 1.00 | 1 | 0.66 | 40 | 26.40 | | | Van Wieren, Selmar | | | 1495 | NED | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Alzaid, Zaid | | | 1270 | KUW | 0.00 | 1 | -0.73 | 40 | -29.20 | | | Gerdes, Jesko | | | 1264 | GER | 1.00 | 1 | 0.27 | 40 | 10.80 | | | Gohil, Viaan | | | 1426 | NED | 0.00 | 1 | -0.52 | 40 | -20.80 | |
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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