Individual Calculations February 2023 |
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Alzaid, Zaid Total change: 42.80 | | |
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Chessfestival Groningen 2022 Open C | Groningen | NED | 2022-12-21 |
Rc | Ro | w | n | change | K | K*chg | Game |
1589 | 1270 | 3.00 | 6 | 2.14 | 20 | 42.80 | |
| Visser, Ynte | | | 1670 * | NED | 0.00 | 1 | -0.08 | 20 | -1.60 | | Bergshoeff, Bert | | | 1595 | NED | 1.00 | 1 | 0.87 | 20 | 17.40 | | Bottema, Jeroen | | | 1696 | NED | 1.00 | 1 | 0.93 | 20 | 18.60 | | Van Der Leest, Karel | | | 1443 | NED | 1.00 | 1 | 0.73 | 20 | 14.60 | | Hoogeboom, Boudewijn | | | 1558 | NED | 0.00 | 1 | -0.16 | 20 | -3.20 | | Jorritsma, Johan | | | 1572 | NED | 0.00 | 1 | -0.15 | 20 | -3.00 | | * Rating difference of more than 400. Please read more at FIDE Handbook | 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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