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Individual Calculations February 2023 |
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| Van Roon, Sjoerd Total change: 3.20 | |   |
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| Chessfestival Groningen 2022 Open A | Groningen | NED | 2022-12-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2267 | 2297 | 5.00 | 9 | 0.16 | 20 | 3.20 | |
|  Markus, John Raymond | | | 2082 | NED | 0.50 | 1 | -0.27 | 20 | -5.40 | |  Albers, Sasa | | | 2103 | NED | 1.00 | 1 | 0.25 | 20 | 5.00 | | | Zheng, Harry Z | | | 2088 | ENG | 1.00 | 1 | 0.23 | 20 | 4.60 | | | Pranav, Anand | g | | 2512 | IND | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Lahaye, Rick | | | 2435 | NED | 1.00 | 1 | 0.69 | 20 | 13.80 | | | Buckels, Valentin | m | | 2455 | GER | 0.50 | 1 | 0.21 | 20 | 4.20 | | | Macak, Stefan | m | | 2361 | SVK | 0.00 | 1 | -0.41 | 20 | -8.20 | | | Nemec, Vjekoslav | c | | 2220 | CRO | 0.50 | 1 | -0.11 | 20 | -2.20 | | | Van Der Hagen, Loek | | | 2145 | NED | 0.50 | 1 | -0.20 | 20 | -4.00 | |
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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