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Individual Calculations January 2009 |
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| Haitsma, Anne Total change: 2.85 | |   |
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| 2A - r 1-3 - Dutch Team Competition | Various | NED | 2008-09-27 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2023 | 2150 | 0.50 | 1 | -0.17 | 15 | -2.55 | |
|  Hiemstra, Jan | | | 2023 | NED | 0.50 | 1 | -0.17 | 15 | -2.55 | |
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) | | | | Essent Open | Hoogeveen | NED | 2008-10-17 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2223 | 2107 | 3.50 | 9 | 0.36 | 15 | 5.40 | |
|  Bykhovsky, Anatoly A | m | | 2364 | RUS | 0.00 | 1 | -0.18 | 15 | -2.70 | | | Archangelsky, Mikhail | m | | 2276 | RUS | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Balje, Jan | | | 2193 | NED | 0.50 | 1 | 0.12 | 15 | 1.80 | | | Hovenga, Alje | | | 2253 | NED | 0.50 | 1 | 0.20 | 15 | 3.00 | | | Van Kooten, Luuk | f | | 2263 | NED | 0.00 | 1 | -0.29 | 15 | -4.35 | | | Hoffman, Ron | | | 2165 | NED | 1.00 | 1 | 0.58 | 15 | 8.70 | | | De Jong, Migchiel | f | | 2349 | NED | 0.00 | 1 | -0.20 | 15 | -3.00 | | | Mostertman, Milan | | | 2034 | NED | 0.50 | 1 | -0.10 | 15 | -1.50 | | | Van Der Veen, Jan | | | 2114 | NED | 0.50 | 1 | 0.01 | 15 | 0.15 | |
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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