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Individual Calculations September 2011 |
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| Vos, Tjark Total change: 72.30 | |   |
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| HSG Open 2011 | Hilversum | NED | 2011-06-24 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2111 | 1819 | 2.00 | 5 | 1.21 | 15 | 18.15 | |
|  Zwirs, Nico | | | 2097 | NED | 0.00 | 1 | -0.17 | 15 | -2.55 | |  Veldhuysen, Klaas | | | 2027 | NED | 1.00 | 1 | 0.77 | 15 | 11.55 | | | Breedveld, Andre | | | 2117 | NED | 0.00 | 1 | -0.15 | 15 | -2.25 | | | Nagtegaal, Kees | | | 2204 | NED | 0.50 | 1 | 0.41 | 15 | 6.15 | | | Lenhardt, Manfred | | | 2111 | GER | 0.50 | 1 | 0.35 | 15 | 5.25 | |
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) | | | | Science Park Amsterdam Chess Tournament - B | Amsterdam | NED | 2011-07-09 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1961 | 1842 | 3.00 | 4 | 1.64 | 15 | 24.60 | |
| | Pijlman, Rene | | | 1954 | NED | 1.00 | 1 | 0.65 | 15 | 9.75 | | | Van De Vegt, Chris | | | 1891 | NED | 0.00 | 1 | -0.43 | 15 | -6.45 | | | Hazenberg, Frans | | | 1966 | NED | 1.00 | 1 | 0.67 | 15 | 10.05 | | | Van Houwelingen, Leo | | | 2034 | NED | 1.00 | 1 | 0.75 | 15 | 11.25 | |
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) | | | | Dutch Open | Dieren | NED | 2011-07-19 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2169 | 1842 | 3.00 | 8 | 1.97 | 15 | 29.55 | |
| | Zwirs, Nico | | | 2125 | NED | 0.00 | 1 | -0.16 | 15 | -2.40 | | | L`ami, Alina | | wg | 2242 * | ROU | 0.00 | 1 | -0.08 | 15 | -1.20 | | | Timmermans, Mark | | | 2183 | NED | 0.00 | 1 | -0.12 | 15 | -1.80 | | | Gruenhagen, Marc | | | 2133 | GER | 1.00 | 1 | 0.85 | 15 | 12.75 | | | Wroblowski, Oliver | | | 2191 | GER | 1.00 | 1 | 0.89 | 15 | 13.35 | | | Brown, Andrew | m | | 2202 | AUS | 0.00 | 1 | -0.10 | 15 | -1.50 | | | Jonker, Fred | | | 2154 | NED | 0.50 | 1 | 0.36 | 15 | 5.40 | | | Kollen, Zyon | | | 2118 | NED | 0.50 | 1 | 0.33 | 15 | 4.95 | | | * 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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