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Individual Calculations February 2023 |
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| Lahaye, Rick Total change: -7.60 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2221 | 2435 | 6.00 | 9 | -0.76 | 10 | -7.60 | |
|  Labruyere, Roger | | | 2104 | NED | 0.50 | 1 | -0.38 | 10 | -3.80 | |  Zheng, Harry Z | | | 2088 | ENG | 0.00 | 1 | -0.89 | 10 | -8.90 | | | Albers, Sasa | | | 2103 | NED | 1.00 | 1 | 0.12 | 10 | 1.20 | | | Nicolai, Amir | | | 2188 | NED | 1.00 | 1 | 0.19 | 10 | 1.90 | | | Van Roon, Sjoerd | f | | 2297 | NED | 0.00 | 1 | -0.69 | 10 | -6.90 | | | Matsumura, Cocoro | | | 2133 | FRA | 1.00 | 1 | 0.15 | 10 | 1.50 | | | Van Der Hagen, Loek | | | 2145 | NED | 1.00 | 1 | 0.16 | 10 | 1.60 | | | Kovchan, Alexander | g | | 2450 | UKR | 1.00 | 1 | 0.52 | 10 | 5.20 | | | Poetsch, Hagen | g | | 2478 | GER | 0.50 | 1 | 0.06 | 10 | 0.60 | |
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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