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Individual Calculations August 2023 |
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| Stapersma, Dick Total change: -15.80 | |   |
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| Amsterdam Science Park Chess Tournament 2023 - Group B | Amsterdam | NED | 2023-07-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1684 | 1712 | 3.50 | 8 | -0.79 | 20 | -15.80 | |
|  Elferink, Leon | | | 1534 | NED | 1.00 | 1 | 0.27 | 20 | 5.40 | |  Ory, Jean-Paul | | | 1927 | NED | 0.00 | 1 | -0.23 | 20 | -4.60 | | | Timmerman, Jan | | | 1612 | NED | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Blom, Martin | | | 1459 | NED | 1.00 | 1 | 0.19 | 20 | 3.80 | | | Van Den Berg, Cees | | | 1814 | NED | 0.50 | 1 | 0.14 | 20 | 2.80 | | | Koelmans, Jan Willem | | | 1868 | NED | 0.00 | 1 | -0.29 | 20 | -5.80 | | | De Jong, Ti | | | 1608 | NED | 0.00 | 1 | -0.64 | 20 | -12.80 | | | Van Der Vlis, Peter | | | 1648 | NED | 1.00 | 1 | 0.41 | 20 | 8.20 | |
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) | | |
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