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Individual Calculations September 2009 |
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| Van Dongen, Cor Total change: 12.45 | |   |
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| 3e Leiden Chess Tournament | Leiden | NED | 2009-07-10 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2181 | 2342 | 5.00 | 7 | 0.24 | 15 | 3.60 | |
|  Snikkers, Naomi | | | 1942 * | NED | 1.00 | 1 | 0.08 | 15 | 1.20 | |  Oosterom, Erik | | | 2128 | NED | 1.00 | 1 | 0.23 | 15 | 3.45 | | | Savchenko, Stanislav | g | | 2526 | UKR | 0.50 | 1 | 0.24 | 15 | 3.60 | | | Adhiban, B. | m | | 2481 | IND | 0.00 | 1 | -0.31 | 15 | -4.65 | | | Segers, Hans | | | 2021 | NED | 1.00 | 1 | 0.13 | 15 | 1.95 | | | Pietrow, Andrzej | | | 2113 | NED | 0.50 | 1 | -0.29 | 15 | -4.35 | | | Hortensius, Nick | | | 2055 | NED | 1.00 | 1 | 0.16 | 15 | 2.40 | | | * 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) | | | | Hogeschool Zeeland Chess Tournament 2009 | Vlissingen | NED | 2009-08-01 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2291 | 2342 | 4.50 | 7 | 0.59 | 15 | 8.85 | |
| | Meulblok, Willy | | | 2051 | NED | 1.00 | 1 | 0.15 | 15 | 2.25 | | | Haak, Eelco | | | 2154 | NED | 1.00 | 1 | 0.26 | 15 | 3.90 | | | Nijboer, Friso | g | | 2552 | NED | 0.50 | 1 | 0.27 | 15 | 4.05 | | | Lalith, Babu M.r. | m | | 2472 | IND | 0.50 | 1 | 0.18 | 15 | 2.70 | | | Vovk, Andrey | g | | 2506 | UKR | 0.00 | 1 | -0.28 | 15 | -4.20 | | | Haast, Anne | | | 2158 | NED | 0.50 | 1 | -0.24 | 15 | -3.60 | | | Hekhuis, Jeroen | | | 2145 | NED | 1.00 | 1 | 0.25 | 15 | 3.75 | |
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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