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Individual Calculations February 2023 |
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| Van Den Burg, Ralf Total change: 97.60 | |   |
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| Chessfestival Groningen 2022 Compact | Groningen | NED | 2022-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1550 | 1549 | 4.00 | 5 | 1.51 | 40 | 60.40 | |
|  Buijnsters, Floris | | | 1618 | NED | 1.00 | 1 | 0.60 | 40 | 24.00 | |  Gomez Becerra, Pablo | | | 1615 | NED | 1.00 | 1 | 0.59 | 40 | 23.60 | | | De Vries, Arjan | | | 1601 | NED | 1.00 | 1 | 0.57 | 40 | 22.80 | | | Lee, Jungbin | | | 1426 | NED | 0.50 | 1 | -0.17 | 40 | -6.80 | | | Kingma, Lukas | | | 1490 | NED | 0.50 | 1 | -0.08 | 40 | -3.20 | |
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) | | | | Tata Steel dagvierkampen 2023 | Wijk aan Zee | NED | 2023-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1653 | 1549 | 2.00 | 3 | 0.93 | 40 | 37.20 | |
| | Joppe, Korneel | | | 1679 | NED | 0.50 | 1 | 0.18 | 40 | 7.20 | | | Voegtlin, Andre | | | 1589 | SUI | 1.00 | 1 | 0.56 | 40 | 22.40 | | | Keijzer, Leo | | | 1691 | NED | 0.50 | 1 | 0.19 | 40 | 7.60 | |
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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